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            <titlestmt>
                <titleproper>Samuel George Morton papers, 1832-1862
                    <num>LCP.Morton</num>
                </titleproper>
                <titleproper type="filing">Morton, Samuel George (papers), 1832-1862</titleproper>
                <author>Finding aid prepared by Megan Atkinson and Christiana Dobrzynski Grippe</author>
                <sponsor>The processing of this collection was made possible through generous funding from The Andrew W. Mellon Foundation, administered through the Council on Library and Information Resources’ “Cataloging Hidden Special Collections and Archives” Project.</sponsor>
            </titlestmt>
            <publicationstmt>
                <publisher>Library Company of Philadelphia</publisher>
                <address>
                    <addressline>1314 Locust Street</addressline>
                    <addressline>Philadelphia, Pennsylvania, 19107</addressline>
                    <addressline>215-546-3181</addressline>
                    <addressline>nscalessa@librarycompany.org</addressline>
                </address>
            </publicationstmt>
            <seriesstmt>
                <p>Correspondence; Notes; Pennsylvania College; Writings; James St. Clair Morton</p>
            </seriesstmt>
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        <profiledesc>
            <creation>This finding aid was produced using the Archivists' Toolkit
                <date>2011-11-18T13:09-0500</date>
            </creation>
            <langusage>English</langusage>
            <descrules>Describing Archives: A Content Standard</descrules>
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            <unittitle>Samuel George Morton papers</unittitle>
            <unitid>LCP.Morton</unitid>
            <repository>
                <corpname>Library Company of Philadelphia</corpname>
            </repository>
            <langmaterial>
                <language langcode="eng"/>
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            <physdesc>
                <extent>3.2 Linear feet</extent>
                <extent>5 containers, 13 volumes</extent>
            </physdesc>
            <unitdate normal="1832/1862" type="inclusive">1832-1862</unitdate>
            <abstract id="ref2" label="Abstract">Samuel George Morton (1799-1851) of Philadelphia was a physician and natural scientist whose work focused on the craniometric studies of humans with conclusions regarding the relative intellectual capacities of the “five races.” His work had a profound influence on the development of physical anthropology in antebellum America. He also made contributions in the fields of geology, mineralogy, paleontology and natural history. Morton served as a professor of medicine at Pennsylvania College (now, the University of Pennsylvania). This collection contains mainly the papers of Samuel George Morton, which date from 1832 to 1851, when Morton devoted his research efforts almost exclusively to ethnology and to the collecting of human skulls for comparative studies. The bulk of the papers consist of incoming correspondence, from 1832 to 1851, relating to ethnology and other related interests such as anthropology, craniology, paleontology and Egyptology. The remainder of the collection contains the papers of Samuel George Morton’s son, James St. Clair Morton, who served as an engineer during the Civil War.</abstract>
            <origination label="creator">
                <persname source="naf">Morton, Samuel George, 1799-1851</persname>
            </origination>
        </did>
        <processinfo id="ref3">
            <head>Processing Information note</head>
            <p>The processing of this collection was made possible through generous funding from The Andrew W. Mellon Foundation, administered through the Council on Library and Information Resources’ “Cataloging Hidden Special Collections and Archives” Project.</p>
            <p>This collection was 
                <emph render="italic">minimally processed</emph> in 2009-2011, as part of an experimental project conducted under the auspices of the Philadelphia Area Consortium of Special Collections Libraries to help eliminate processing backlog in Philadelphia repositories. A minimally processed collection is one processed at a less intensive rate than traditionally thought necessary to make a collection ready for use by researchers. When citing sources from this collection, researchers are advised to defer to folder titles provided in the finding aid rather than those provided on the physical folder.</p>
            <p>Employing processing strategies outlined in Mark Greene's and Dennis Meissner's 2005 article, 
                <emph render="italic">More Product, Less Process: Revamping Traditional Processing Approaches to Deal With Late 20th-Century Collections</emph>, the project team tested the limits of minimal processing on collections of all types and ages, in 23 Philadelphia area repositories. A primary goal of the project, the team processed at an average rate of 2-3 hours per linear foot of records, a fraction of the time ordinarily reserved for the arrangement and description of collections. Among other time saving strategies, the project team did not extensively review the content of the collections, replace acidic folders or complete any preservation work.</p>
        </processinfo>
        <accessrestrict id="ref4">
            <head>Conditions Governing Access note</head>
            <p>This collection is open for research use, on deposit at the Historical Society of Pennsylvania, 1300 Locust Street, Philadelphia, PA 19107. For access, please contact the Historical Society at 215-732-6200 or visit http://www.hsp.org.</p>
        </accessrestrict>
        <userestrict id="ref5">
            <head>Conditions Governing Use note</head>
            <p>Copyright restrictions may apply. Please contact the Library Company of Philadelphia with requests for copying and for authorization to publish, quote or reproduce the material.</p>
        </userestrict>
        <acqinfo id="ref6">
            <head>Immediate Source of Acquisition note</head>
            <p>Gift of Robert P. Morton, 1883.</p>
        </acqinfo>
        <bioghist id="ref7">
            <head>Biographical/Historical note</head>
            <p>
                <emph render="bold">Samuel George Morton</emph></p>
            <p>Samuel George Morton (1799-1851) was a physician and natural scientist whose work focused on the craniometric studies of humans, from which he derived conclusions regarding the relative intellectual capacities of the “five races.” His work had a profound influence on the development of physical anthropology in antebellum America. He also made contributions in the fields of geology, mineralogy, paleontology, and natural history.</p>
            <p>Samuel George Morton was born on January 26, 1799 in Philadelphia to George and Jane Cummings Morton. His father, George, was an Irish immigrant and a merchant in Philadelphia and died on July 27, 1799 when Morton was six months old. Following his father’s death, Morton’s mother moved the family to West Farms, New York in order to live closer to her sister. Morton was educated at the Schools of West Farms until his mother married Thomas Rogers and the family returned to Philadelphia. Morton then attended the Friends School at West Town in Chester County, Pennsylvania. In 1813, he transferred to a Friends School in Burlington, New Jersey where he studied the mathematical sciences under John Gummere. In 1814, he began working in a merchant’s counting house, but “his heart was not in his business; and though there is no reason to believe that he neglected the duties of his position, he devoted most of his leisure hours to reading, and have his thoughts rather to history, poetry, and other branches of polite literature than to mercantile accomplishment,” (Wood, page 6). His mother died in 1817 and he decided to become a physician. This decision is said to have been based upon “reading Dr. Rush’s sixteen Introductory Lectures,” (Meigs, page 12) and observing the “frequent attendance of physicians [during his mother’s illness, including] several of the most distinguished practitioners of Philadelphia,” (Wood, page 6). Morton began his education under the direction of Dr. Joseph Parrish and studied at the University of Pennsylvania, earning his degree of Doctor of Medicine in 1820. Following his graduation, Morton traveled to Ireland to meet his paternal relatives, attended classes at the University of Edinburgh in Scotland, and traveled throughout Europe. He graduated from the University of Edinburgh, 1823.</p>
            <p>In 1824, Morton returned to Philadelphia and began practicing medicine. In addition to his medical practice, Morton also renewed a lifelong interest in the natural sciences with his involvement with the Academy of Natural Sciences of Philadelphia. He began writing scholarly articles on the subjects of both natural sciences and medicine. His medical practice grew over time and he became a physician at the Philadelphia Almshouse Hospital in 1829 and a medical teacher in 1830, eventually becoming a professor of anatomy at the Pennsylvania Medical College from 1839 to 1843. In 1840, he was elected one of the Vice Presidents of the Academy of Natural Sciences and in 1849, he was elected President, a position he held until his death. He was also elected to the College of Physicians of Philadelphia in 1845.</p>
            <p>According to the American Philosophical Society, “beginning prior to 1834, Morton began to take a deep interest in the quintessentially American enterprise of racial science, and his groundbreaking work in craniology and craniometry proved to be the most enduring of his scientific contributions.” In the study of these fields, Morton collected human and animal skulls which fueled his “interests in the measurement of skulls as a means of identifying and comparing the intellectual capacities and ‘character’ of the races,” (American Philosophical Society). He published 
                <emph render="italic">Crania Americana</emph> in 1839 and 
                <emph render="italic">An Inquiry into the Distinctive Characteristics of the Aboriginal Race of America and Crania Aegyptiaca</emph> in 1844. In his writings, “for the subsequent history of racial science, Morton argued that he had demonstrated the presence of significant differences in cranial capacity—and therefore, intelligence—among the races, with ‘Mongolians’ and Caucasians heading the list, and ‘Americans’ and ‘Ethiopians’ bringing up the rear,” (American Philosophical Society). Largely, the population of the United States approved of Morton’s scientific studies, especially “pro-slavery advocates [and] Gliddon and the Alabama physician, Josiah Nott, who developed his own, highly elaborated polygenic theory as an apologetic for slavery,” (American Philosophical Society). Among those who did not support Morton’s views were those who felt that his assertions contradicted the Book of Genesis.</p>
            <p>Morton married Rebecca Pearsall, daughter of Robert and Elizabeth Pearsall, on October 23, 1827. They had eight children. He died on May 15, 1851, following several illnesses including “severe pleurisy and pericarditis,” (Wood, p. 16). He was survived by his widow and seven children. Soon after his death, he was remembered as “modest in his demeanor, of no arrogant pretensions, and of a forgiving temper; charitable and respectful to others, yet never forgetful of self-respect,” (Meigs, page 48).</p>
            <p>
                <emph render="bold">James St. Clair Morton</emph></p>
            <p>James St. Clair Morton, son of Samuel George Morton and Rebecca Pearsall, was a Union engineer during the Civil War. He engineered Fort Negley in Nashville, Tennessee and was killed just before the Battle of Petersburg on June 17, 1864.</p>
            <p>Morton was born on September 24, 1828 in Philadelphia. He enrolled at the University of Pennsylvania at the age of 14 and then was accepted into the United States Military Academy at West Point where he graduated second in his class of forty-two in 1851. Prior to the outbreak of the Civil War, Morton worked on the construction of fortifications for the Corps of Engineers at Fort Sumter, Fort Jefferson and Fort Delaware. From 1855 to 1857, he taught mathematics and military engineering as an assistant professor at West Point. The Treasury Department then appointed him engineer and superintendent of the New York light-house district, at which point he wrote several “memoirs” regarding the defense of New York City. He served as chief engineer for the Sandy Hook lighthouse in New Jersey and was then “selected by the Department of the Interior as chief engineer of the Potomac Water-Works and charged with the duty of superintending the finished portion of the Washington Aqueduct,” ( 
                <emph render="italic">Annals of the Army of the Cumberland</emph>, page 181). The Navy Department, in 1860, assigned Morton to “lead an expedition to Central America to explore the Chiriquí area for construction of a railroad or canal,” (West) through the isthmus. During this trip, Morton first contracted malaria which affected him from time to time until May 1862 when he was assigned Chief Engineer of General Don C. Buell’s Army of the Ohio.</p>
            <p>From June to October 1862, Morton was “busily engaged in superintending the building of bridges, stockades and other defenses upon railroads and pikes between Nashville and Huntsville,” ( 
                <emph render="italic">Annals of the Army of the Cumberland</emph>, page 182). After October, he designed and oversaw the building of Fort Negley: “the complex work of polygonal shape [and] the largest inland masonry fortification of the Civil War,” (BONPS). According to John Fitch, provost judge of the Army of the Cumberland, “he pushed forward their construction most vigorously, employing the soldiery, and ‘pressing’ the negroes of Nashville and vicinity, and teams of all kinds, without stint or scruple. The colored population of that city have probably not yet forgotten the suddenness with which his men gathered them in from barber-shops, kitchens, and even churches, and set them at work upon St. Cloud Hill, where was then a combination of rock and forest, but where now rise the frowning battlements of Fort Negley, commanding the entire city and surrounding country,” (West).</p>
            <p>General Buell was replaced by Major General William S. Rosecrans, and Rosecrans quickly created a new regiment, the Pioneer Brigade, which Morton, promoted to brigadier general of volunteers, commanded. This regiment built bridges, roads and fortifications and repaired railroads. From January to June 1863, Morton built and supervised construction of Fortress Rosecrans. According to West, after the Union’s defeat at Chickamauga on September 19 and 20, 1863, “Morton and his Pioneer Brigade were criticized by major General Alexander McCook for being non-responsive and generally for being in the way,” and Morton first requested a transfer and when that was rejected, “made the rare request that his rank be reduced from brigadier general of volunteers to his Regular Army rank of major of engineers,” (West).</p>
            <p>In May 1864, he served as General Ambrose Burnsides’ IX Corps chief engineer at Petersburg, Virginia. David Callihan writes that on June 17, 1864, Morton was “mortally wounded in the chest while performing reconnaissance work at Petersburg preparatory to a Union assault that day” (Callihan, page 49) at the age of 34. Morton’s “principal characteristic … is his indomitable energy, coupled with extensive information and practical experience,” ( 
                <emph render="italic">Annals of the Army of the Cumberland</emph>, page 183).</p>
            <p>
                <emph render="bold">Bibliography:</emph></p>
            <p>American Philosophical Society. Samuel George Morton Papers, 1819-1850, Mss.B.M843, Background Note.</p>
            <p>An Officer. 
                <emph render="italic">Annals of the Army of the Cumberland</emph>. Philadelphia: J.B. Lippincott &amp; Co., 1864.</p>
            <p>Battle of Nashville Preservation Society, Inc. “Brief History of the Fort.” http://www.bonps.org/negley121004.htm (accessed April 23, 2010).</p>
            <p>Callihan, David L. 
                <emph render="italic"> They Did Their Work Bravely: Civil War Generals Buried in Pennsylvania</emph>. Westminster, MD: Heritage Books, Inc., 2004.</p>
            <p>Meigs, Charles D., M.D. 
                <emph render="italic">A Memoir of Samuel George Morton, M.D., Late President of the Academy of Natural Sciences of Philadelphia</emph>. Philadelphia: T.K. and P.G. Collins, Printers, 1851.</p>
            <p>West, Mike. “Fabulous military career cut short,” 
                <emph render="italic">Murfreesboro Post</emph>, May 25, 2008.</p>
            <p>Wood, George B., M.D. 
                <emph render="italic">A Biographical Memoir of Samuel George Morton, M.D.</emph> Philadelphia: T.K. and P.G. Collins, 1853.</p>
        </bioghist>
        <scopecontent id="ref8">
            <head>Scope and Contents note</head>
            <p>This collection contains the papers of Samuel George Morton of Philadelphia, a physician, ethnologist, and professor of anatomy at Pennsylvania Medical College. The papers date from 1832 to 1851, when Morton devoted his research efforts almost exclusively to ethnology and to the collecting of human skulls for comparative studies. The bulk of the papers consist of incoming correspondence, relating to ethnology and other related interests such as anthropology, craniology, paleontology and Egyptology. His collecting efforts in the field of crania resulted in extensive correspondence on the subject, which is also included here. The collection is particularly valuable in illustrating the publication process of Morton’s technical publications, as it includes extensive notes, annotations, sketches, research and reviews of his published work. There is also a small grouping of documents related to Morton’s son, James St. Clair Morton. The collection is arranged into six series: “Correspondence,” “Notes,” “Pennsylvania Medical College,” “Writings,” and “James St. Clair Morton.”</p>
            <p>The “Correspondence” series comprises nearly two thirds of the collection and contains more than 400 letters received by Dr. Morton from his colleagues and other science enthusiasts. The incoming correspondence, which dates from 1832 to 1851, relates to ethnology and other interests such as anthropology, craniology, paleontology and Egyptology. The correspondence is most comprehensive for the years 1844 to 1851. Some letters include hand-drawn illustrations of human skulls. Of particular interest are the frequent letters from George Robins Gliddon, Anders Retzius, Benjamin Silliman, Jr., Asa Gray, Josiah Clark Nott and possibly Oliver Wendell Holmes, Sr. that reveal the intensely collaborative nature of Morton’s collection of crania and research. There is occasional correspondence from West Point concerning the academic progress of Morton’s son, James St. Clair Morton, as well as a few letters written in French from scientific societies and colleagues in Europe. The letters are arranged in loose chronological order. As such, files often contain letters from more than one individual, and researchers interested in particular correspondents will have to review multiple files. The topical content of individual letters was taken directly from original catalog cards, and therefore, additional topics, beyond those listed, may be included in letters.</p>
            <p>The “Notes” series consists of three volumes and about 100 loose papers of research notes, spanning the years 1839 to 1850. Of special interest are the bound handwritten research notes relating to two technical works Morton published based on his collection of crania: 
                <emph render="italic">Crania Americana</emph> (1839) and 
                <emph render="italic">Crania Aegyptiaca</emph> (1844). Included in the bound notes for 
                <emph render="italic">Crania Americana</emph> is a newspaper clipping of a book review for the final published work. There are also notes concerning Morton’s research on hybridization in plants and animals, the findings of which he later published in Benjamin Silliman, Jr.’s 
                <emph render="italic">American Journal of Science and Arts</emph> (1847). The series is arranged chronologically.</p>
            <p>The series “Pennsylvania Medical College” contains manuscript copies of ethnology lectures “on the varieties of the human species,” presented by Morton at Pennsylvania Medical College around 1840. The lectures feature mostly handwritten annotations with some printed material and are loosely bound with ribbon into four sections. The series also contains one bound volume of minutes of faculty meetings and miscellaneous financial accounts of the Pennsylvania College medical department, dating from 1841 to 1843. The series is arranged chronologically.</p>
            <p>The series “Writings” contains four volumes and eleven folders of written material, mostly about Morton’s ethnological research, dating from 1829 to 1853. Included in the series are incomplete bound printer’s manuscripts of Morton’s published work 
                <emph render="italic">Crania Americana</emph>. The series would be of particular value to those interested in the writing and drafting process of published technical works, as many of the papers contain Morton’s handwritten annotations and corrections. The series also includes posthumous works written by Morton and by others about Morton’s work, including a chapter and the memoir section from the 1855 book 
                <emph render="italic">Types of Mankind</emph>, written by Josiah Clark Nott and George Robins Gliddon, which was inspired by Morton’s life’s work on ethnology. The inclusion of the posthumous papers in this collection further emphasizes the importance of collaboration in Morton’s work on ethnology and highlights the lasting impact that Morton’s work made on the social sciences community at the time. The series is arranged alphabetically by title.</p>
            <p>The series “James St. Clair Morton” documents James St. Clair’s military career as an engineer and his expedition in Central America. The series contains five volumes and three folders dating from 1847 to 1862. The volumes and folders vary in content, including a certificate of admission to West Point, accounting books from his work as an engineer, surveying journals and correspondence. Of interest are the two volumes documenting the Chiriquí Expedition in Central America, which includes compass and level notes of the survey of Cañon Caldera, kept by Morton’s surveyor and leveler, and the surveying journal kept by Morton. These volumes document some of the observations and information gained during the expedition that James St. Clair Morton reported to the Navy Department, which was seeking information about the potential for railroad construction at the location. The surveying journal contains sketches, observations about the land and wildlife, and information about the camps, food the surveying party ate, and the Native Americans the party encountered. James St. Clair Morton’s work surveying is also documented in his surveying notebook used at Fort Jefferson in Florida. This book contains information such as antidotes for snake bites, sketches of Fort Jefferson, and landscape sketches. The volume of correspondence in the series is incomplete, housing mostly outgoing correspondence to the Chief Engineer of Washington, D. C. The volume also holds information about his work as an engineer and includes information on defending and upgrading Fort Mifflin in Philadelphia, Pennsylvania. The folder titled “Extract from the report of Dr. M. W. Dickeson,” by Albert Stein is a report on the Mississippi River’s water quantity and characteristics. This work does not appear to be explicitly titled to James St. Clair Morton, but given its date (1849) and its topic, it is possible that this work was James’. With the exception of the latter volume, which is located at the end of the series, the records are organized chronologically.</p>
        </scopecontent>
        <prefercite id="ref9">
            <head>Preferred Citation note</head>
            <p>[Description and date of item], [Box and folder number], Samuel George Morton papers, 1832-1862, Library Company of Philadelphia.</p>
        </prefercite>
        <relatedmaterial id="ref10">
            <head>Related Archival Materials note</head>
            <p>Library Company of Philadelphia: Samuel George Morton ethnological scrapbook;</p>
            <p>Academy of Natural Sciences, Philadelphia: Horace G. Richards papers, 1928-1984 and J. Percy Moore papers, 1847-1963;</p>
            <p>American Philosophical Society: Samuel George Morton papers</p>
            <p>University of Pennsylvania Museum of Archaeology and Anthropology: Samuel George Morton Cranial Collection</p>
        </relatedmaterial>
        <controlaccess>
            <corpname source="naf">Academy of Natural Sciences of Philadelphia.</corpname>
            <persname source="naf">Gibbes, Robert W.,  (Robert Wilson), 1809-1866</persname>
            <persname source="naf">Gliddon, George R.,  (George Robins), 1809-1857</persname>
            <persname source="naf">Gray, Asa, 1810-1888</persname>
            <persname source="naf">Maclure, William, 1763-1840</persname>
            <persname source="nad">Morton, James St. C.,  (James St. Clair), 1829-1864</persname>
            <persname source="naf">Morton, Samuel George, 1799-1851</persname>
            <persname source="naf">Nott, Josiah Clark, 1804-1873</persname>
            <persname source="naf">Retzius, A.,  (Anders), 1796-1860</persname>
            <persname source="naf">Silliman, Benjamin, 1816-1885</persname>
            <corpname source="naf">United States Military Academy.</corpname>
            <corpname source="naf">United States. Army of the Ohio.</corpname>
            <corpname source="naf">University of Pennsylvania. Dept. of Medicine.</corpname>
            <subject source="lcsh">Anatomy</subject>
            <subject source="lcsh">Authors, American</subject>
            <genreform source="aat">Correspondence</genreform>
            <subject source="lcsh">Craniology</subject>
            <subject source="lcsh">Egyptology</subject>
            <subject source="lcsh">Ethnology</subject>
            <genreform source="aat">Financial records</genreform>
            <subject source="lcsh">Fossils</subject>
            <subject source="lcsh">Geology</subject>
            <genreform source="aat">Lectures</genreform>
            <genreform source="aat">Manuscripts</genreform>
            <subject source="lcsh">Medicine</subject>
            <subject source="lcsh">Military engineers</subject>
            <subject source="lcsh">Miscegenation</subject>
            <subject source="lcsh">Natural history</subject>
            <genreform source="aat">Notes</genreform>
            <subject source="lcsh">Paleontology</subject>
            <subject source="lcsh">Skull</subject>
            <subject source="lcsh">United States--History--Civil War, 1861-1865</subject>
        </controlaccess>
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                        <unittitle>Garnigos, J. J.</unittitle>
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                        <unitdate>1841 March 24</unitdate>
                        <physdesc id="ref794" label="General Physical Description note">
                            <extent>[7388 F 10]</extent></physdesc>
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                    <did>
                        <unittitle>Locke, John, regarding his appointment in the Geological Survey of Michigan</unittitle>
                        <container id="cid4562" type="Box" label="Text">1</container>
                        <container parent="cid4562" type="Folder">12</container>
                        <unitdate>1841 June 3</unitdate>
                        <physdesc id="ref31" label="General Physical Description note">
                            <extent>[7388 F 11]</extent></physdesc>
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                <c id="ref32" level="file">
                    <did>
                        <unittitle>Galiotti, Henri, regarding minerals, etc. that he has to exchange</unittitle>
                        <container id="cid4561" type="Box" label="Text">1</container>
                        <container parent="cid4561" type="Folder">13</container>
                        <unitdate>1841 December 27, 1842 February</unitdate>
                        <physdesc id="ref33" label="General Physical Description note">
                            <extent>[7388 F 12]</extent></physdesc>
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                <c id="ref34" level="file">
                    <did>
                        <unittitle>Powell, W. Byrd, regarding geological survey of Arkansas</unittitle>
                        <container id="cid4560" type="Box" label="Text">1</container>
                        <container parent="cid4560" type="Folder">14</container>
                        <unitdate>1842 December 23</unitdate>
                        <physdesc id="ref35" label="General Physical Description note">
                            <extent>[7388 F 13]</extent></physdesc>
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                <c id="ref36" level="file">
                    <did>
                        <unittitle>Florshey, C. G., regarding fossils and minerals from Louisiana</unittitle>
                        <container id="cid4559" type="Box" label="Text">1</container>
                        <container parent="cid4559" type="Folder">15</container>
                        <unitdate>1843 July 24</unitdate>
                        <physdesc id="ref37" label="General Physical Description note">
                            <extent>[7388 F 14]</extent></physdesc>
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                <c id="ref38" level="file">
                    <did>
                        <unittitle>Hodgson, William B., regarding ethnology</unittitle>
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                        <container parent="cid4558" type="Folder">16</container>
                        <unitdate>1844 January 17, 1844 March 29, 1844 April 2, 1844 June 1, 1844 July 13, 1844 October 29, undated</unitdate>
                        <physdesc id="ref39" label="General Physical Description note">
                            <extent>[7388 F 27]</extent></physdesc>
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                <c id="ref40" level="file">
                    <did>
                        <unittitle>Minutes of meeting of Academy of Natural Science</unittitle>
                        <container id="cid4557" type="Box" label="Text">1</container>
                        <container parent="cid4557" type="Folder">17</container>
                        <unitdate>1844 February 13</unitdate>
                        <physdesc id="ref795" label="General Physical Description note">
                            <extent>[7388 F 15]</extent></physdesc>
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                        <unittitle>Strain, J. G.</unittitle>
                        <container id="cid4556" type="Box" label="Text">1</container>
                        <container parent="cid4556" type="Folder">18</container>
                        <unitdate>1844 February 26, 1844 November 22</unitdate>
                        <physdesc id="ref796" label="General Physical Description note">
                            <extent>[7388 F 38]</extent></physdesc>
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                <c id="ref42" level="file">
                    <did>
                        <unittitle>Ruschenberger, W. S. W., regarding skulls in Dr. McMurtrie's collection</unittitle>
                        <container id="cid4555" type="Box" label="Text">1</container>
                        <container parent="cid4555" type="Folder">19</container>
                        <unitdate>1844 February 28</unitdate>
                        <physdesc id="ref43" label="General Physical Description note">
                            <extent>[7388 F 16]</extent></physdesc>
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                <c id="ref44" level="file">
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                        <unittitle>Gray, Asa, requesting facts regarding Mr. Maclure</unittitle>
                        <container id="cid4554" type="Box" label="Text">1</container>
                        <container parent="cid4554" type="Folder">20</container>
                        <unitdate>1844 March 22</unitdate>
                        <physdesc id="ref45" label="General Physical Description note">
                            <extent>[7388 F 17]</extent></physdesc>
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                <c id="ref46" level="file">
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                        <unittitle>Ravenel, Edmund, regarding fossils</unittitle>
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                        <unitdate>1844 March 26</unitdate>
                        <physdesc id="ref47" label="General Physical Description note">
                            <extent>[7388 F 18]</extent></physdesc>
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                <c id="ref48" level="file">
                    <did>
                        <unittitle>Gliddon, George R., regarding his lecturing tour, etc.</unittitle>
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                        <unitdate>1844 March 29-December 1</unitdate>
                        <physdesc id="ref49" label="General Physical Description note">
                            <extent>[7388 F 41]</extent></physdesc>
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                <c id="ref50" level="file">
                    <did>
                        <unittitle>Silliman, Benjamin Jr., regarding the re-publication of his memoir of William Maclure</unittitle>
                        <container id="cid4551" type="Box" label="Text">1</container>
                        <container parent="cid4551" type="Folder">23</container>
                        <unitdate>1844 April 2, 1844 April 26, 1844 May 8, 1844 May 20, 1844 June 14</unitdate>
                        <physdesc id="ref51" label="General Physical Description note">
                            <extent>[7388 F 24]</extent></physdesc>
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                </c>
                <c id="ref52" level="file">
                    <did>
                        <unittitle>Reports from the University of Pennsylvania</unittitle>
                        <container id="cid4550" type="Box" label="Text">1</container>
                        <container parent="cid4550" type="Folder">24</container>
                        <unitdate>1844 April 5, 1844 July 15</unitdate>
                        <physdesc id="ref797" label="General Physical Description note">
                            <extent>[7388 F 29]</extent></physdesc>
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                </c>
                <c id="ref53" level="file">
                    <did>
                        <unittitle>Des Mottelettes, C. Imbert, letter of thanks from the Société Ethnologique de Paris for a copy of 
                            <emph render="italic">Crania Americana</emph></unittitle>
                        <container id="cid4549" type="Box" label="Text">1</container>
                        <container parent="cid4549" type="Folder">25</container>
                        <unitdate>1844 April 9</unitdate>
                        <physdesc id="ref54" label="General Physical Description note">
                            <extent>[7388 F 19]</extent></physdesc>
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                <c id="ref55" level="file">
                    <did>
                        <unittitle>Pleasonton, A. I., letter of thanks for a memoir on Egyptian Ethnography</unittitle>
                        <container id="cid4548" type="Box" label="Text">1</container>
                        <container parent="cid4548" type="Folder">26</container>
                        <unitdate>1844 April 12</unitdate>
                        <physdesc id="ref56" label="General Physical Description note">
                            <extent>[7388 F 20]</extent></physdesc>
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                <c id="ref57" level="file">
                    <did>
                        <unittitle>Farias, Fermin G.</unittitle>
                        <container id="cid4547" type="Box" label="Text">1</container>
                        <container parent="cid4547" type="Folder">27</container>
                        <unitdate>1844 April 17, 1844 July 11</unitdate>
                        <physdesc id="ref58" label="General Physical Description note">
                            <extent>[7388 F 26]</extent></physdesc>
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                </c>
                <c id="ref59" level="file">
                    <did>
                        <unittitle>Abert, J. J., letter to accompany a small shell</unittitle>
                        <container id="cid4546" type="Box" label="Text">1</container>
                        <container parent="cid4546" type="Folder">28</container>
                        <unitdate>1844 April 18, 1844 November 27</unitdate>
                        <physdesc id="ref60" label="General Physical Description note">
                            <extent>[7388 F 39]</extent></physdesc>
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                <c id="ref61" level="file">
                    <did>
                        <unittitle>Coetes, Reynell</unittitle>
                        <container id="cid4545" type="Box" label="Text">1</container>
                        <container parent="cid4545" type="Folder">29</container>
                        <unitdate>1844 April 26</unitdate>
                        <physdesc id="ref62" label="General Physical Description note">
                            <extent>[7388 F 21]</extent></physdesc>
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                <c id="ref63" level="file">
                    <did>
                        <unittitle>Hall, James, regarding his work in paleontology</unittitle>
                        <container id="cid4544" type="Box" label="Text">1</container>
                        <container parent="cid4544" type="Folder">30</container>
                        <unitdate>1844 April 29, 1844 September 10, 1844 October 30</unitdate>
                        <physdesc id="ref64" label="General Physical Description note">
                            <extent>[7388 F 37]</extent></physdesc>
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                </c>
                <c id="ref65" level="file">
                    <did>
                        <unittitle>Townsend, John. K., inquiring about bats sent from Oregon</unittitle>
                        <container id="cid4543" type="Box" label="Text">1</container>
                        <container parent="cid4543" type="Folder">31</container>
                        <unitdate>1844 May 8</unitdate>
                        <physdesc id="ref66" label="General Physical Description note">
                            <extent>[7388 F 22]</extent></physdesc>
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                <c id="ref67" level="file">
                    <did>
                        <unittitle>Haight, R. [R.], regarding crania</unittitle>
                        <container id="cid4542" type="Box" label="Mixed Materials">1</container>
                        <container parent="cid4542" type="Folder">32</container>
                        <unitdate>1844 May 11, 1844 July 31, 1844 September 15, 1844 November 6, 1845 July 30, 1845 October 31</unitdate>
                        <physdesc id="ref68" label="General Physical Description note">
                            <extent>[7388 F 78]</extent></physdesc>
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                <c id="ref69" level="file">
                    <did>
                        <unittitle>Peter, Robert, regarding exchange of crania</unittitle>
                        <container id="cid4541" type="Box" label="Text">1</container>
                        <container parent="cid4541" type="Folder">33</container>
                        <unitdate>1844 May 29, 1844 August 5</unitdate>
                        <physdesc id="ref70" label="General Physical Description note">
                            <extent>[7388 F 30]</extent></physdesc>
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                </c>
                <c id="ref71" level="file">
                    <did>
                        <unittitle>Marshall, Robert, regarding news of friends</unittitle>
                        <container id="cid4540" type="Box" label="Text">1</container>
                        <container parent="cid4540" type="Folder">34</container>
                        <unitdate>1844 May 30</unitdate>
                        <physdesc id="ref72" label="General Physical Description note">
                            <extent>[7388 F 23]</extent></physdesc>
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                <c id="ref73" level="file">
                    <did>
                        <unittitle>Tappan, B., regarding a head from a Peruvian tomb</unittitle>
                        <container id="cid4539" type="Box" label="Text">1</container>
                        <container parent="cid4539" type="Folder">35</container>
                        <unitdate>1844 June 17</unitdate>
                        <physdesc id="ref74" label="General Physical Description note">
                            <extent>[7388 F 25]</extent></physdesc>
                    </did>
                </c>
                <c id="ref75" level="file">
                    <did>
                        <unittitle>Holmes, R. S., regarding skulls from mounds in Florida</unittitle>
                        <container id="cid4538" type="Box" label="Text">1</container>
                        <container parent="cid4538" type="Folder">36</container>
                        <unitdate>1844 July 5, 1844 July 13</unitdate>
                        <physdesc id="ref76" label="General Physical Description note">
                            <extent>[7388 F 28]</extent></physdesc>
                    </did>
                </c>
                <c id="ref77" level="file">
                    <did>
                        <unittitle>Gibbes, Lewis R., regarding natural history specimens from South Carolina and Dr. Ravenel's fossils</unittitle>
                        <container id="cid4537" type="Box" label="Text">1</container>
                        <container parent="cid4537" type="Folder">37</container>
                        <unitdate>1844 August 1, 1845 March 12</unitdate>
                        <physdesc id="ref78" label="General Physical Description note">
                            <extent>[7388 F 48]</extent></physdesc>
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                </c>
                <c id="ref79" level="file">
                    <did>
                        <unittitle>Yates, William H.</unittitle>
                        <container id="cid4536" type="Box" label="Text">1</container>
                        <container parent="cid4536" type="Folder">38</container>
                        <unitdate>1844 August 6</unitdate>
                        <physdesc id="ref80" label="General Physical Description note">
                            <extent>[7388 F 31]</extent></physdesc>
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                <c id="ref81" level="file">
                    <did>
                        <unittitle>Haldeman, S. S., with extracts from letters from Say to Melsheimer</unittitle>
                        <container id="cid4535" type="Box" label="Text">1</container>
                        <container parent="cid4535" type="Folder">39</container>
                        <unitdate>1844 August 19</unitdate>
                        <physdesc id="ref82" label="General Physical Description note">
                            <extent>[7388 F 32]</extent></physdesc>
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                <c id="ref83" level="file">
                    <did>
                        <unittitle>Martin, J. R., regarding his return from Bengal</unittitle>
                        <container id="cid4534" type="Box" label="Text">1</container>
                        <container parent="cid4534" type="Folder">40</container>
                        <unitdate>1844 August 30</unitdate>
                        <physdesc id="ref84" label="General Physical Description note">
                            <extent>[7388 F 33]</extent></physdesc>
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                <c id="ref85" level="file">
                    <did>
                        <unittitle>King, H., regarding the classification of fish and the state of science at St. Louis</unittitle>
                        <container id="cid4533" type="Box" label="Text">1</container>
                        <container parent="cid4533" type="Folder">41</container>
                        <unitdate>1844 October 7</unitdate>
                        <physdesc id="ref86" label="General Physical Description note">
                            <extent>[7388 F 34]</extent></physdesc>
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                <c id="ref87" level="file">
                    <did>
                        <unittitle>Dickson, S[amuel] Henry, thanking Morton for his characteristics of the Indian race</unittitle>
                        <container id="cid4532" type="Box" label="Text">1</container>
                        <container parent="cid4532" type="Folder">42</container>
                        <unitdate>1844 October 20</unitdate>
                        <physdesc id="ref88" label="General Physical Description note">
                            <extent>[7388 F 35]</extent></physdesc>
                    </did>
                </c>
                <c id="ref89" level="file">
                    <did>
                        <unittitle>Secrétaire en tour d'office de l' Académie Royale des Sciences, Shrenberg, acknowledging books received</unittitle>
                        <container id="cid4531" type="Box" label="Text">1</container>
                        <container parent="cid4531" type="Folder">43</container>
                        <unitdate>1844 October 30</unitdate>
                        <physdesc id="ref90" label="General Physical Description note">
                            <extent>[7388 F 36]</extent></physdesc>
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                <c id="ref91" level="file">
                    <did>
                        <unittitle>King, Alfred J., regarding fossil footprints in coal rocks</unittitle>
                        <container id="cid4530" type="Box" label="Text">1</container>
                        <container parent="cid4530" type="Folder">44</container>
                        <unitdate>1844 November 22, 1844 December 28</unitdate>
                        <physdesc id="ref92" label="General Physical Description note">
                            <extent>[7388 F 44]</extent></physdesc>
                    </did>
                </c>
                <c id="ref93" level="file">
                    <did>
                        <unittitle>Dean, Amos, regarding 
                            <emph render="italic">Crania Americana</emph></unittitle>
                        <container id="cid4529" type="Box" label="Text">1</container>
                        <container parent="cid4529" type="Folder">45</container>
                        <unitdate>1844 November 27</unitdate>
                        <physdesc id="ref798" label="General Physical Description note">
                            <extent>[7388 F 40]</extent></physdesc>
                    </did>
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                <c id="ref94" level="file">
                    <did>
                        <unittitle>Wharton, Francis</unittitle>
                        <container id="cid4528" type="Box" label="Text">1</container>
                        <container parent="cid4528" type="Folder">46</container>
                        <unitdate>1844 December 8</unitdate>
                        <physdesc id="ref799" label="General Physical Description note">
                            <extent>[7388 F 42]</extent></physdesc>
                    </did>
                </c>
                <c id="ref95" level="file">
                    <did>
                        <unittitle>Tefft, J. K., regarding his election as honorary member of the Georgia Historical Society</unittitle>
                        <container id="cid4527" type="Box" label="Text">1</container>
                        <container parent="cid4527" type="Folder">47</container>
                        <unitdate>1844 December 13, 1845 July 17</unitdate>
                        <physdesc id="ref96" label="General Physical Description note">
                            <extent>[7388 F 62]</extent></physdesc>
                    </did>
                </c>
                <c id="ref97" level="file">
                    <did>
                        <unittitle>Harris, A. C., letter of thanks for book on Egyptian ethnography</unittitle>
                        <container id="cid4526" type="Box" label="Text">1</container>
                        <container parent="cid4526" type="Folder">48</container>
                        <unitdate>1844 December 18</unitdate>
                        <physdesc id="ref98" label="General Physical Description note">
                            <extent>[7388 F 43]</extent></physdesc>
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                <c id="ref99" level="file">
                    <did>
                        <unittitle>Bispham, William M., regarding crania</unittitle>
                        <container id="cid4525" type="Box" label="Text">1</container>
                        <container parent="cid4525" type="Folder">49</container>
                        <unitdate>1844 December 18, 1845 July 22</unitdate>
                        <physdesc id="ref100" label="General Physical Description note">
                            <extent>[7388 F 64]</extent></physdesc>
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                </c>
                <c id="ref101" level="file">
                    <did>
                        <unittitle>Bridges, George W.</unittitle>
                        <container id="cid4524" type="Box" label="Text">1</container>
                        <container parent="cid4524" type="Folder">50</container>
                        <unitdate>1844 December 20, 1845 October 16</unitdate>
                        <physdesc id="ref102" label="General Physical Description note">
                            <extent>[7388 F 75]</extent></physdesc>
                    </did>
                </c>
                <c id="ref103" level="file">
                    <did>
                        <unittitle>Porter, J. M., letter of thanks</unittitle>
                        <container id="cid4523" type="Box" label="Text">1</container>
                        <container parent="cid4523" type="Folder">51</container>
                        <unitdate>1845 January [3]</unitdate>
                        <physdesc id="ref104" label="General Physical Description note">
                            <extent>[7388 F 46]</extent></physdesc>
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                <c id="ref105" level="file">
                    <did>
                        <unittitle>Condie, D. Francis, notification of election as fellow to the College of Physicians of Philadelphia</unittitle>
                        <container id="cid4522" type="Box" label="Text">1</container>
                        <container parent="cid4522" type="Folder">52</container>
                        <unitdate>1845 January 13</unitdate>
                        <physdesc id="ref106" label="General Physical Description note">
                            <extent>[7388 F 45]</extent></physdesc>
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                <c id="ref107" level="file">
                    <did>
                        <unittitle>Griscom, John, letter of thanks</unittitle>
                        <container id="cid4521" type="Box" label="Text">1</container>
                        <container parent="cid4521" type="Folder">53</container>
                        <unitdate>1845 January 14</unitdate>
                        <physdesc id="ref108" label="General Physical Description note">
                            <extent>[7388 F 47]</extent></physdesc>
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                <c id="ref109" level="file">
                    <did>
                        <unittitle>Gliddon, George R., regarding lectures on Egyptology, crania, etc.</unittitle>
                        <container id="cid4520" type="Box" label="Text">1</container>
                        <container parent="cid4520" type="Folder">54</container>
                        <unitdate>1845 February 22-1845 December 30</unitdate>
                        <physdesc id="ref110" label="General Physical Description note">
                            <extent>[7388 F 96]</extent></physdesc>
                    </did>
                </c>
                <c id="ref111" level="file">
                    <did>
                        <unittitle>Hayward, George, letter of thanks for his work on Egyptian crania</unittitle>
                        <container id="cid4519" type="Box" label="Text">1</container>
                        <container parent="cid4519" type="Folder">55</container>
                        <unitdate>1845 March 22</unitdate>
                        <physdesc id="ref112" label="General Physical Description note">
                            <extent>[7388 F 49]</extent></physdesc>
                    </did>
                </c>
                <c id="ref113" level="file">
                    <did>
                        <unittitle>Abert, J. J., regarding nomination of students for West Point Military Academy</unittitle>
                        <container id="cid4518" type="Box" label="Text">1</container>
                        <container parent="cid4518" type="Folder">56</container>
                        <unitdate>1845 March 22</unitdate>
                        <physdesc id="ref114" label="General Physical Description note">
                            <extent>[7388 F 39, 50]</extent></physdesc>
                    </did>
                </c>
                <c id="ref115" level="file">
                    <did>
                        <unittitle>Reports from the University of Pennsylvania</unittitle>
                        <container id="cid4517" type="Box" label="Text">1</container>
                        <container parent="cid4517" type="Folder">57</container>
                        <unitdate>1845 March 31, 1845 July 2</unitdate>
                        <physdesc id="ref800" label="General Physical Description note">
                            <extent>[7388 F 59]</extent></physdesc>
                    </did>
                </c>
                <c id="ref116" level="file">
                    <did>
                        <unittitle>Townsend, John K., regarding a Mexican skull presented by Baron von Gerolt</unittitle>
                        <container id="cid4516" type="Box" label="Text">1</container>
                        <container parent="cid4516" type="Folder">58</container>
                        <unitdate>1845 April 3, 1845 April 28</unitdate>
                        <physdesc id="ref117" label="General Physical Description note">
                            <extent>[7388 F 53]</extent></physdesc>
                    </did>
                </c>
                <c id="ref118" level="file">
                    <did>
                        <unittitle>Bispham, Charles, regarding Mr. Burrough's estate, etc.</unittitle>
                        <container id="cid4515" type="Box" label="Text">1</container>
                        <container parent="cid4515" type="Folder">59</container>
                        <unitdate>1845 April 8, 1845 October 22</unitdate>
                        <physdesc id="ref119" label="General Physical Description note">
                            <extent>[7388 F 76]</extent></physdesc>
                    </did>
                </c>
                <c id="ref120" level="file">
                    <did>
                        <unittitle>Atlee, Washington L., introducing Peter Craig</unittitle>
                        <container id="cid4514" type="Box" label="Text">1</container>
                        <container parent="cid4514" type="Folder">60</container>
                        <unitdate>1845 April 15</unitdate>
                        <physdesc id="ref121" label="General Physical Description note">
                            <extent>[7388 F 51]</extent></physdesc>
                    </did>
                </c>
                <c id="ref122" level="file">
                    <did>
                        <unittitle>Pickering, John, regarding Lepsius's letter and Egyptian museum</unittitle>
                        <container id="cid4513" type="Box" label="Text">1</container>
                        <container parent="cid4513" type="Folder">61</container>
                        <unitdate>1845 April 21, 1845 December 12</unitdate>
                        <physdesc id="ref123" label="General Physical Description note">
                            <extent>[7388 F 89]</extent></physdesc>
                    </did>
                </c>
                <c id="ref124" level="file">
                    <did>
                        <unittitle>Troyer, A., regarding "une population mélanienne dans les montagnes de l'Himalya"</unittitle>
                        <container id="cid4512" type="Box" label="Text">1</container>
                        <container parent="cid4512" type="Folder">62</container>
                        <unitdate>1845 April 27</unitdate>
                        <physdesc id="ref125" label="General Physical Description note">
                            <extent>[7388 F 52]</extent></physdesc>
                    </did>
                </c>
                <c id="ref126" level="file">
                    <did>
                        <unittitle>Ravenel, Edmund, regarding fossils from South Carolina</unittitle>
                        <container id="cid4511" type="Box" label="Text">1</container>
                        <container parent="cid4511" type="Folder">63</container>
                        <unitdate>1845 April 28, 1845 June 13</unitdate>
                        <physdesc id="ref127" label="General Physical Description note">
                            <extent>[7388 F 56]</extent></physdesc>
                    </did>
                </c>
                <c id="ref128" level="file">
                    <did>
                        <unittitle>Foster, N. A., regarding crania from South America</unittitle>
                        <container id="cid4510" type="Box" label="Text">1</container>
                        <container parent="cid4510" type="Folder">64</container>
                        <unitdate>1845 May 5, 1845 December 17</unitdate>
                        <physdesc id="ref129" label="General Physical Description note">
                            <extent>[7388 F 91]</extent></physdesc>
                    </did>
                </c>
                <c id="ref130" level="file">
                    <did>
                        <unittitle>Page, Thomas S., regarding skulls from South America, presented by John Houston</unittitle>
                        <container id="cid4509" type="Box" label="Text">1</container>
                        <container parent="cid4509" type="Folder">65</container>
                        <unitdate>1845 May 7</unitdate>
                        <physdesc id="ref131" label="General Physical Description note">
                            <extent>[7388 F 54]</extent></physdesc>
                    </did>
                </c>
                <c id="ref132" level="file">
                    <did>
                        <unittitle>Tuomey, M., regarding fossils from South Carolina</unittitle>
                        <container id="cid4508" type="Box" label="Text">1</container>
                        <container parent="cid4508" type="Folder">66</container>
                        <unitdate>1845 May 15</unitdate>
                        <physdesc id="ref133" label="General Physical Description note">
                            <extent>[7388 F 55]</extent></physdesc>
                    </did>
                </c>
                <c id="ref134" level="file">
                    <did>
                        <unittitle>Gray, Asa, mentioning Professor von Martius</unittitle>
                        <container id="cid4507" type="Box" label="Mixed Materials">1</container>
                        <container parent="cid4507" type="Folder">67</container>
                        <unitdate>1845 May 29, 1845 September 9, 1845 September 25, 1845 December 23</unitdate>
                        <physdesc id="ref135" label="General Physical Description note">
                            <extent>[7388 F 93]</extent></physdesc>
                    </did>
                </c>
                <c id="ref136" level="file">
                    <did>
                        <unittitle>Bartlett, John R., regarding the American Ethnological Society</unittitle>
                        <container id="cid4506" type="Box" label="Mixed Materials">1</container>
                        <container parent="cid4506" type="Folder">68</container>
                        <unitdate>1845 June 13, 1845 June 30, 1845 December 1, 1845 December 23</unitdate>
                        <physdesc id="ref137" label="General Physical Description note">
                            <extent>[7388 F 94]</extent></physdesc>
                    </did>
                </c>
                <c id="ref138" level="file">
                    <did>
                        <unittitle>Bennett, John J.</unittitle>
                        <container id="cid4505" type="Box" label="Text">1</container>
                        <container parent="cid4505" type="Folder">69</container>
                        <unitdate>1845 June 14, 1845 June 17</unitdate>
                        <physdesc id="ref801" label="General Physical Description note">
                            <extent>[7388 F 57]</extent></physdesc>
                    </did>
                </c>
                <c id="ref139" level="file">
                    <did>
                        <unittitle>Engelmann, George, regarding Indian graveyards in the Mississippi Valley</unittitle>
                        <container id="cid4504" type="Box" label="Text">1</container>
                        <container parent="cid4504" type="Folder">70</container>
                        <unitdate>1845 July 1</unitdate>
                        <physdesc id="ref140" label="General Physical Description note">
                            <extent>[7388 F 58]</extent></physdesc>
                    </did>
                </c>
                <c id="ref141" level="file">
                    <did>
                        <unittitle>Retzius, Anders, regarding research on the subject of the crania of Scandinavia</unittitle>
                        <container id="cid4503" type="Box" label="Text">1</container>
                        <container parent="cid4503" type="Folder">71</container>
                        <unitdate>1845 July 12</unitdate>
                        <physdesc id="ref142" label="General Physical Description note">
                            <extent>[7388 F 60]</extent></physdesc>
                    </did>
                </c>
                <c id="ref143" level="file">
                    <did>
                        <unittitle>Miller, John S., introducing A. A. Retzuis</unittitle>
                        <container id="cid4502" type="Box" label="Text">1</container>
                        <container parent="cid4502" type="Folder">72</container>
                        <unitdate>1845 July 15</unitdate>
                        <physdesc id="ref144" label="General Physical Description note">
                            <extent>[7388 F 61]</extent></physdesc>
                    </did>
                </c>
                <c id="ref145" level="file">
                    <did>
                        <unittitle>Gibbes, Robert W., regarding scientific matters</unittitle>
                        <container id="cid4501" type="Box" label="Text">1</container>
                        <container parent="cid4501" type="Folder">73</container>
                        <unitdate>1845 July 15, 1845 October 13</unitdate>
                        <physdesc id="ref146" label="General Physical Description note">
                            <extent>[7388 F 73]</extent></physdesc>
                    </did>
                </c>
                <c id="ref147" level="file">
                    <did>
                        <unittitle>[Elwyn], A. Langdon, regarding sale of fossils</unittitle>
                        <container id="cid4500" type="Box" label="Text">1</container>
                        <container parent="cid4500" type="Folder">74</container>
                        <unitdate>1845 July 19</unitdate>
                        <physdesc id="ref148" label="General Physical Description note">
                            <extent>[7388 F 63]</extent></physdesc>
                    </did>
                </c>
                <c id="ref149" level="file">
                    <did>
                        <unittitle>Holmes, Francis. S., regarding fossils found on his plantation</unittitle>
                        <container id="cid4499" type="Box" label="Text">1</container>
                        <container parent="cid4499" type="Folder">75</container>
                        <unitdate>1845 July 21, 1845 August 11</unitdate>
                        <physdesc id="ref150" label="General Physical Description note">
                            <extent>[7388 F 67]</extent></physdesc>
                    </did>
                </c>
                <c id="ref151" level="file">
                    <did>
                        <unittitle>Alter, B. F., regarding obtaining Indian skulls</unittitle>
                        <container id="cid4498" type="Box" label="Text">1</container>
                        <container parent="cid4498" type="Folder">76</container>
                        <unitdate>1845 July 22</unitdate>
                        <physdesc id="ref152" label="General Physical Description note">
                            <extent>[7388 F 65]</extent></physdesc>
                    </did>
                </c>
                <c id="ref153" level="file">
                    <did>
                        <unittitle>Strain, [J.] G., regarding his attempt to explore in Brazil</unittitle>
                        <container id="cid4497" type="Box" label="Text">1</container>
                        <container parent="cid4497" type="Folder">77</container>
                        <unitdate>1845 July 23</unitdate>
                        <physdesc id="ref154" label="General Physical Description note">
                            <extent>[7388 F 38, 66]</extent></physdesc>
                    </did>
                </c>
                <c id="ref155" level="file">
                    <did>
                        <unittitle>Silliman, Benjamin Jr.</unittitle>
                        <container id="cid4496" type="Box" label="Text">1</container>
                        <container parent="cid4496" type="Folder">78</container>
                        <unitdate>1845 July 23, 1846 December 21, 1847 January 11</unitdate>
                        <physdesc id="ref156" label="General Physical Description note">
                            <extent>[7389 F 48]</extent></physdesc>
                    </did>
                </c>
                <c id="ref157" level="file">
                    <did>
                        <unittitle>McGinnes, J. H. W., regarding the Diagnothian Literary Society of Marshall College announcing his election as honorary member</unittitle>
                        <container id="cid4495" type="Box" label="Text">1</container>
                        <container parent="cid4495" type="Folder">79</container>
                        <unitdate>1845 August 18</unitdate>
                        <physdesc id="ref158" label="General Physical Description note">
                            <extent>[7388 F 68]</extent></physdesc>
                    </did>
                </c>
                <c id="ref159" level="file">
                    <did>
                        <unittitle>See, Charles A., requesting specimens of skulls</unittitle>
                        <container id="cid4494" type="Box" label="Text">1</container>
                        <container parent="cid4494" type="Folder">80</container>
                        <unitdate>1845 August 20, 1845 September 6</unitdate>
                        <physdesc id="ref160" label="General Physical Description note">
                            <extent>[7388 F 70]</extent></physdesc>
                    </did>
                </c>
                <c id="ref161" level="file">
                    <did>
                        <unittitle>Pickering, Charles, requesting that Morton transmit a letter to Mr. Gliddon</unittitle>
                        <container id="cid4493" type="Box" label="Text">1</container>
                        <container parent="cid4493" type="Folder">81</container>
                        <unitdate>1845 September 24</unitdate>
                        <physdesc id="ref162" label="General Physical Description note">
                            <extent>[7388 F 71]</extent></physdesc>
                    </did>
                </c>
                <c id="ref163" level="file">
                    <did>
                        <unittitle>Minor, B. B., requesting that Morton transmit a letter</unittitle>
                        <container id="cid4492" type="Box" label="Text">1</container>
                        <container parent="cid4492" type="Folder">82</container>
                        <unitdate>1845 September 27</unitdate>
                        <physdesc id="ref164" label="General Physical Description note">
                            <extent>[7388 F 72]</extent></physdesc>
                    </did>
                </c>
                <c id="ref165" level="file">
                    <did>
                        <unittitle>Ogilby, William, letter of thanks from the Zoological Society of London</unittitle>
                        <container id="cid4491" type="Box" label="Text">1</container>
                        <container parent="cid4491" type="Folder">83</container>
                        <unitdate>1845 October 4, 1847 June</unitdate>
                        <physdesc id="ref166" label="General Physical Description note">
                            <extent>[7388 F 71]</extent></physdesc>
                    </did>
                </c>
                <c id="ref167" level="file">
                    <did>
                        <unittitle>Baily, J. W., regarding Morton's gift to the West Point library and the skeleton of the mastodon found at New Burgh</unittitle>
                        <container id="cid4490" type="Box" label="Text">1</container>
                        <container parent="cid4490" type="Folder">84</container>
                        <unitdate>1845 October 6, 1845 November 1</unitdate>
                        <physdesc id="ref168" label="General Physical Description note">
                            <extent>[7388 F 80]</extent></physdesc>
                    </did>
                </c>
                <c id="ref169" level="file">
                    <did>
                        <unittitle>McCall, Alexander</unittitle>
                        <container id="cid4489" type="Box" label="Text">1</container>
                        <container parent="cid4489" type="Folder">85</container>
                        <unitdate>1845 October 14-1845 December 11, undated</unitdate>
                        <physdesc id="ref170" label="General Physical Description note">
                            <extent>[7388 F 88]</extent></physdesc>
                    </did>
                </c>
                <c id="ref171" level="file">
                    <did>
                        <unittitle>Estes, M., regarding the origin of the human races</unittitle>
                        <container id="cid4488" type="Box" label="Text">1</container>
                        <container parent="cid4488" type="Folder">86</container>
                        <unitdate>1845 October 15</unitdate>
                        <physdesc id="ref172" label="General Physical Description note">
                            <extent>[7388 F 74]</extent></physdesc>
                    </did>
                </c>
                <c id="ref173" level="file">
                    <did>
                        <unittitle>Nott, Josiah C., regarding a controversy on the origin of races of men, etc.</unittitle>
                        <container id="cid4487" type="Box" label="Text">1</container>
                        <container parent="cid4487" type="Folder">87</container>
                        <unitdate>1844 October 15, 1845 February 20, 1845 May 19, 1845 June 1, 1845 July 15, 1845 September 4</unitdate>
                        <physdesc id="ref174" label="General Physical Description note">
                            <extent>[7388 F 69]</extent></physdesc>
                    </did>
                </c>
                <c id="ref175" level="file">
                    <did>
                        <unittitle>French, Benjamin F., regarding the gift of skulls from Dr. Jones and about presenting his library to New Orleans</unittitle>
                        <container id="cid4486" type="Box" label="Text">1</container>
                        <container parent="cid4486" type="Folder">88</container>
                        <unitdate>1845 October 18, 1847 March 19</unitdate>
                        <physdesc id="ref176" label="General Physical Description note">
                            <extent>[7389 F 59]</extent></physdesc>
                    </did>
                </c>
                <c id="ref177" level="file">
                    <did>
                        <unittitle>Hodgson, William B., regarding Bunsen's work and Governor Hammond's slavery letters, etc.</unittitle>
                        <container id="cid4485" type="Box" label="Text">1</container>
                        <container parent="cid4485" type="Folder">89</container>
                        <unitdate>1845 October 24, 1845 December 4</unitdate>
                        <physdesc id="ref178" label="General Physical Description note">
                            <extent>[7388 F 86]</extent></physdesc>
                    </did>
                </c>
                <c id="ref179" level="file">
                    <did>
                        <unittitle>Cramer, C., regarding books, etc. sent to Russia</unittitle>
                        <container id="cid4484" type="Box" label="Text">1</container>
                        <container parent="cid4484" type="Folder">90</container>
                        <unitdate>1845 October 25, 1848 August 5</unitdate>
                        <physdesc id="ref180" label="General Physical Description note">
                            <extent>[7390 F 5]</extent></physdesc>
                    </did>
                </c>
                <c id="ref181" level="file">
                    <did>
                        <unittitle>Davis, Edwin H.</unittitle>
                        <container id="cid4483" type="Box" label="Text">1</container>
                        <container parent="cid4483" type="Folder">91</container>
                        <unitdate>1845 October 26</unitdate>
                        <physdesc id="ref802" label="General Physical Description note">
                            <extent>[7388 F 77]</extent></physdesc>
                    </did>
                </c>
                <c id="ref182" level="file">
                    <did>
                        <unittitle>Stellwagen, H. S., regarding asking the Navy Department to defray the expenses of his illness</unittitle>
                        <container id="cid4482" type="Box" label="Text">1</container>
                        <container parent="cid4482" type="Folder">92</container>
                        <unitdate>1845 November</unitdate>
                        <physdesc id="ref183" label="General Physical Description note">
                            <extent>[7388 F 79]</extent></physdesc>
                    </did>
                </c>
                <c id="ref184" level="file">
                    <did>
                        <unittitle>Fory, John C., letter of thanks for 
                            <emph render="italic">Crania aegyptiaca</emph></unittitle>
                        <container id="cid4481" type="Box" label="Text">1</container>
                        <container parent="cid4481" type="Folder">93</container>
                        <unitdate>1845 November 1</unitdate>
                        <physdesc id="ref185" label="General Physical Description note">
                            <extent>[7388 F 81]</extent></physdesc>
                    </did>
                </c>
                <c id="ref186" level="file">
                    <did>
                        <unittitle>Roberts, W. Lea, note and enclosed letter of introduction from G.R. Gliddon</unittitle>
                        <container id="cid4480" type="Box" label="Text">1</container>
                        <container parent="cid4480" type="Folder">94</container>
                        <unitdate>1845 November 4</unitdate>
                        <physdesc id="ref187" label="General Physical Description note">
                            <extent>[7388 F 82]</extent></physdesc>
                    </did>
                </c>
                <c id="ref188" level="file">
                    <did>
                        <unittitle>Maclure Alex, Fory, J. C., regarding his Maclure's brother's estate</unittitle>
                        <container id="cid4479" type="Box" label="Text">1</container>
                        <container parent="cid4479" type="Folder">95</container>
                        <unitdate>1845 November 16-1848 November 23, undated</unitdate>
                        <physdesc id="ref189" label="General Physical Description note">
                            <extent>[7390 F 23]</extent></physdesc>
                    </did>
                </c>
                <c id="ref190" level="file">
                    <did>
                        <unittitle>Norman, B. M., requesting 
                            <emph render="italic">Crania aegyptiaca</emph> for Dr. Carpenter</unittitle>
                        <container id="cid4478" type="Box" label="Text">1</container>
                        <container parent="cid4478" type="Folder">96</container>
                        <unitdate>1845 December 1</unitdate>
                        <physdesc id="ref191" label="General Physical Description note">
                            <extent>[7388 F 83]</extent></physdesc>
                    </did>
                </c>
                <c id="ref192" level="file">
                    <did>
                        <unittitle>Jarvis, Samuel Farmar, regarding "reconciling the dates of Scripture with the Egyptians," etc.</unittitle>
                        <container id="cid4477" type="Box" label="Text">1</container>
                        <container parent="cid4477" type="Folder">97</container>
                        <unitdate>1845 December 2</unitdate>
                        <physdesc id="ref193" label="General Physical Description note">
                            <extent>[7388 F 84]</extent></physdesc>
                    </did>
                </c>
                <c id="ref194" level="file">
                    <did>
                        <unittitle>Wislizenus, A., letter of thanks</unittitle>
                        <container id="cid4476" type="Box" label="Text">1</container>
                        <container parent="cid4476" type="Folder">98</container>
                        <unitdate>1845 December 3</unitdate>
                        <physdesc id="ref195" label="General Physical Description note">
                            <extent>[7388 F 85]</extent></physdesc>
                    </did>
                </c>
                <c id="ref196" level="file">
                    <did>
                        <unittitle>Audubon, Victor G., regarding copying his father's articles</unittitle>
                        <container id="cid4475" type="Box" label="Text">1</container>
                        <container parent="cid4475" type="Folder">99</container>
                        <unitdate>1845 December 4, 1845 December 18, 1845 December 29</unitdate>
                        <physdesc id="ref197" label="General Physical Description note">
                            <extent>[7388 F 95]</extent></physdesc>
                    </did>
                </c>
                <c id="ref198" level="file">
                    <did>
                        <unittitle>See, Charles A., acknowledging receipt of packages</unittitle>
                        <container id="cid4474" type="Box" label="Text">1</container>
                        <container parent="cid4474" type="Folder">100</container>
                        <unitdate>1845 December 9</unitdate>
                        <physdesc id="ref199" label="General Physical Description note">
                            <extent>[7388 F 87]</extent></physdesc>
                    </did>
                </c>
                <c id="ref200" level="file">
                    <did>
                        <unittitle>Ludwig, E. H., regarding books on craniology from Germany</unittitle>
                        <container id="cid4473" type="Box" label="Text">1</container>
                        <container parent="cid4473" type="Folder">101</container>
                        <unitdate>1845 December 15</unitdate>
                        <physdesc id="ref201" label="General Physical Description note">
                            <extent>[7388 F 90]</extent></physdesc>
                    </did>
                </c>
                <c id="ref202" level="file">
                    <did>
                        <unittitle>Wright, F. N., with copy of a letter from Dr. Jones</unittitle>
                        <container id="cid4472" type="Box" label="Text">1</container>
                        <container parent="cid4472" type="Folder">102</container>
                        <unitdate>1845 December 18</unitdate>
                        <physdesc id="ref203" label="General Physical Description note">
                            <extent>[7388 F 92]</extent></physdesc>
                    </did>
                </c>
                <c id="ref204" level="file">
                    <did>
                        <unittitle>Holmes, Francis. S., regarding fossils, etc.</unittitle>
                        <container id="cid4471" type="Box" label="Text">2</container>
                        <container parent="cid4471" type="Folder">1</container>
                        <unitdate>1846 January 6, 1848 June 15</unitdate>
                        <physdesc id="ref205" label="General Physical Description note">
                            <extent>[7389 F 113]</extent></physdesc>
                    </did>
                </c>
                <c id="ref206" level="file">
                    <did>
                        <unittitle>Audubon, Victor G., regarding his father's writings</unittitle>
                        <container id="cid4470" type="Box" label="Text">2</container>
                        <container parent="cid4470" type="Folder">2</container>
                        <unitdate>1846 January 7, 1846 January 31, 1846 February 18, 1846 December 21, 1847 January 8</unitdate>
                        <physdesc id="ref207" label="General Physical Description note">
                            <extent>[7389 F 49]</extent></physdesc>
                    </did>
                </c>
                <c id="ref208" level="file">
                    <did>
                        <unittitle>Blith, George</unittitle>
                        <container id="cid4469" type="Box" label="Text">2</container>
                        <container parent="cid4469" type="Folder">3</container>
                        <unitdate>1846 January 13</unitdate>
                        <physdesc id="ref803" label="General Physical Description note">
                            <extent>[7389 F 1]</extent></physdesc>
                    </did>
                </c>
                <c id="ref209" level="file">
                    <did>
                        <unittitle>Jay, John C.</unittitle>
                        <container id="cid4468" type="Box" label="Text">2</container>
                        <container parent="cid4468" type="Folder">4</container>
                        <unitdate>1846 January 16</unitdate>
                        <physdesc id="ref804" label="General Physical Description note">
                            <extent>[7389 F 2]</extent></physdesc>
                    </did>
                </c>
                <c id="ref210" level="file">
                    <did>
                        <unittitle>Clot-Bey [Antoine Barthelemy Clot], regarding crania of the Turks</unittitle>
                        <container id="cid4467" type="Box" label="Text">2</container>
                        <container parent="cid4467" type="Folder">5</container>
                        <unitdate>1846 January 21</unitdate>
                        <physdesc id="ref211" label="General Physical Description note">
                            <extent>[7389 F 3]</extent></physdesc>
                    </did>
                </c>
                <c id="ref212" level="file">
                    <did>
                        <unittitle>Baird, Spencer Fullerton, regarding vaccinations and hybrids among animals, etc.</unittitle>
                        <container id="cid4466" type="Box" label="Text">2</container>
                        <container parent="cid4466" type="Folder">6</container>
                        <unitdate>1846 January 28, 1846 February 16, 1846 September 21</unitdate>
                        <physdesc id="ref213" label="General Physical Description note">
                            <extent>[7389 F 31]</extent></physdesc>
                    </did>
                </c>
                <c id="ref214" level="file">
                    <did>
                        <unittitle>Gliddon, George R. and W. A. Gliddon and R. K. Haight, regarding marriage, voyage, etc.</unittitle>
                        <container id="cid4465" type="Box" label="Text">2</container>
                        <container parent="cid4465" type="Folder">7</container>
                        <unitdate>1846 January 28-1846 October 6</unitdate>
                        <physdesc id="ref215" label="General Physical Description note">
                            <extent>[7389 F 34]</extent></physdesc>
                    </did>
                </c>
                <c id="ref216" level="file">
                    <did>
                        <unittitle>Silliman, Benjamin Jr., regarding skulls from a mound in Ohio</unittitle>
                        <container id="cid4464" type="Box" label="Text">2</container>
                        <container parent="cid4464" type="Folder">8</container>
                        <unitdate>1846 February 2</unitdate>
                        <physdesc id="ref217" label="General Physical Description note">
                            <extent>[7389 F 4]</extent></physdesc>
                    </did>
                </c>
                <c id="ref218" level="file">
                    <did>
                        <unittitle>Silliman, Benjamin Jr., regarding 
                            <emph render="italic">American Journal of Science</emph>, etc.</unittitle>
                        <container id="cid4463" type="Box" label="Text">2</container>
                        <container parent="cid4463" type="Folder">9</container>
                        <unitdate>1846 February 3-1847 August 5</unitdate>
                        <physdesc id="ref805" label="General Physical Description note">
                            <extent>[7389 F 79]</extent></physdesc>
                    </did>
                </c>
                <c id="ref219" level="file">
                    <did>
                        <unittitle>Norwood, Joseph G., with printed description of fossil fish</unittitle>
                        <container id="cid4462" type="Box" label="Text">2</container>
                        <container parent="cid4462" type="Folder">10</container>
                        <unitdate>1846 February 16, 1846 February 25</unitdate>
                        <physdesc id="ref220" label="General Physical Description note">
                            <extent>[7389 F 7]</extent></physdesc>
                    </did>
                </c>
                <c id="ref221" level="file">
                    <did>
                        <unittitle>Nott, Josiah C., acknowledging his appointment as corresponding member of the Academy of Natural Sciences of Philadelphia and regarding Mr. Lyell's visit</unittitle>
                        <container id="cid4461" type="Box" label="Text">2</container>
                        <container parent="cid4461" type="Folder">11</container>
                        <unitdate>1846 February 23</unitdate>
                        <physdesc id="ref222" label="General Physical Description note">
                            <extent>[7389 F 5]</extent></physdesc>
                    </did>
                </c>
                <c id="ref223" level="file">
                    <did>
                        <unittitle>Locke, John, regarding Asturias from the blue limestone of Cincinnati</unittitle>
                        <container id="cid4460" type="Box" label="Text">2</container>
                        <container parent="cid4460" type="Folder">12</container>
                        <unitdate>1846 February 24</unitdate>
                        <physdesc id="ref224" label="General Physical Description note">
                            <extent>[7389 F 6]</extent></physdesc>
                    </did>
                </c>
                <c id="ref225" level="file">
                    <did>
                        <unittitle>[McCary], Robert B., inquiring regarding membership in the Academy of Natural Sciences of Philadelphia</unittitle>
                        <container id="cid4459" type="Box" label="Text">2</container>
                        <container parent="cid4459" type="Folder">13</container>
                        <unitdate>1846 March 2</unitdate>
                        <physdesc id="ref806" label="General Physical Description note">
                            <extent>[7389 F 8]</extent></physdesc>
                    </did>
                </c>
                <c id="ref226" level="file">
                    <did>
                        <unittitle>Tuomey, M., regarding fossils</unittitle>
                        <container id="cid4458" type="Box" label="Text">2</container>
                        <container parent="cid4458" type="Folder">14</container>
                        <unitdate>1846 March 15, 1847 February 28</unitdate>
                        <physdesc id="ref227" label="General Physical Description note">
                            <extent>[7389 F 56]</extent></physdesc>
                    </did>
                </c>
                <c id="ref228" level="file">
                    <did>
                        <unittitle>Parsons, Samuel B., regarding the climate of Florida</unittitle>
                        <container id="cid4457" type="Box" label="Text">2</container>
                        <container parent="cid4457" type="Folder">15</container>
                        <unitdate>1846 March 18</unitdate>
                        <physdesc id="ref229" label="General Physical Description note">
                            <extent>[7389 F 9]</extent></physdesc>
                    </did>
                </c>
                <c id="ref230" level="file">
                    <did>
                        <unittitle>Cooper, Joseph B., regarding fossils, Indian relics, and numismatology</unittitle>
                        <container id="cid4456" type="Box" label="Text">2</container>
                        <container parent="cid4456" type="Folder">16</container>
                        <unitdate>1846 March 19</unitdate>
                        <physdesc id="ref231" label="General Physical Description note">
                            <extent>[7389 F 10]</extent></physdesc>
                    </did>
                </c>
                <c id="ref232" level="file">
                    <did>
                        <unittitle>Gibbes, Robert W. and Josiah C. Nott</unittitle>
                        <container id="cid4455" type="Box" label="Text">2</container>
                        <container parent="cid4455" type="Folder">17</container>
                        <unitdate>1846 March 20, 1846 April 4, 1846 June 2, 1846 September 21, 1846 October 30</unitdate>
                        <physdesc id="ref233" label="General Physical Description note">
                            <extent>[7389 F 41]</extent></physdesc>
                    </did>
                </c>
                <c id="ref234" level="file">
                    <did>
                        <unittitle>Ryan, Charles, letter of thanks</unittitle>
                        <container id="cid4454" type="Box" label="Text">2</container>
                        <container parent="cid4454" type="Folder">18</container>
                        <unitdate>1846 March 21</unitdate>
                        <physdesc id="ref235" label="General Physical Description note">
                            <extent>[7389 F 11]</extent></physdesc>
                    </did>
                </c>
                <c id="ref236" level="file">
                    <did>
                        <unittitle>Say, Mrs. L. W., regarding a monument to her husband and a trip through the backwoods, etc.</unittitle>
                        <container id="cid4453" type="Box" label="Text">2</container>
                        <container parent="cid4453" type="Folder">19</container>
                        <unitdate>1846 March 28, 1846 October 11</unitdate>
                        <physdesc id="ref237" label="General Physical Description note">
                            <extent>[7389 F 36]</extent></physdesc>
                    </did>
                </c>
                <c id="ref238" level="file">
                    <did>
                        <unittitle>Baily, J. W., regarding fossils, origin of natives of America, etc.</unittitle>
                        <container id="cid4452" type="Box" label="Text">2</container>
                        <container parent="cid4452" type="Folder">20</container>
                        <unitdate>1846 April 13, 1847 April 1, 1847 June 27</unitdate>
                        <physdesc id="ref239" label="General Physical Description note">
                            <extent>[7389 F 75]</extent></physdesc>
                    </did>
                </c>
                <c id="ref240" level="file">
                    <did>
                        <unittitle>Hale, C. S., regarding fossil shells from Alabama</unittitle>
                        <container id="cid4451" type="Box" label="Text">2</container>
                        <container parent="cid4451" type="Folder">21</container>
                        <unitdate>1846 April 14</unitdate>
                        <physdesc id="ref241" label="General Physical Description note">
                            <extent>[7389 F 12]</extent></physdesc>
                    </did>
                </c>
                <c id="ref242" level="file">
                    <did>
                        <unittitle>Huffnagle, Charles, regarding crania</unittitle>
                        <container id="cid4450" type="Box" label="Text">2</container>
                        <container parent="cid4450" type="Folder">22</container>
                        <unitdate>1846 April 14, 1848 January 3, 1848 November 18</unitdate>
                        <physdesc id="ref243" label="General Physical Description note">
                            <extent>[7390 F 21]</extent></physdesc>
                    </did>
                </c>
                <c id="ref244" level="file">
                    <did>
                        <unittitle>Beck, Theodore Romeyn, regarding the death of Dr. Baker</unittitle>
                        <container id="cid4449" type="Box" label="Text">2</container>
                        <container parent="cid4449" type="Folder">23</container>
                        <unitdate>1846 April 17</unitdate>
                        <physdesc id="ref245" label="General Physical Description note">
                            <extent>[7389 F 13]</extent></physdesc>
                    </did>
                </c>
                <c id="ref246" level="file">
                    <did>
                        <unittitle>Markoe, Francis, Jr., regarding the Smithsonian Institution</unittitle>
                        <container id="cid4448" type="Box" label="Text">2</container>
                        <container parent="cid4448" type="Folder">24</container>
                        <unitdate>1846 April 20-1847 December 30</unitdate>
                        <physdesc id="ref247" label="General Physical Description note">
                            <extent>[7389 F 96]</extent></physdesc>
                    </did>
                </c>
                <c id="ref248" level="file">
                    <did>
                        <unittitle>Parrish, Isaac, notice from Philadelphia Medical Society regarding Morton's appointment as delegate to National Medical Convention</unittitle>
                        <container id="cid4447" type="Box" label="Text">2</container>
                        <container parent="cid4447" type="Folder">25</container>
                        <unitdate>1846 April 22</unitdate>
                        <physdesc id="ref249" label="General Physical Description note">
                            <extent>[7389 F 14]</extent></physdesc>
                    </did>
                </c>
                <c id="ref250" level="file">
                    <did>
                        <unittitle>Haldeman, S. S., regarding Dr. Wilson's gift and hybridity</unittitle>
                        <container id="cid4446" type="Box" label="Text">2</container>
                        <container parent="cid4446" type="Folder">26</container>
                        <unitdate>1846 April 24, 1846 May 21, 1846 November, 18848 June 1</unitdate>
                        <physdesc id="ref251" label="General Physical Description note">
                            <extent>[7389 F 109]</extent></physdesc>
                    </did>
                </c>
                <c id="ref252" level="file">
                    <did>
                        <unittitle>Dana, James D., note accompanying his book Zoophytes</unittitle>
                        <container id="cid4445" type="Box" label="Text">2</container>
                        <container parent="cid4445" type="Folder">27</container>
                        <unitdate>1846 May</unitdate>
                        <physdesc id="ref253" label="General Physical Description note">
                            <extent>[7389 F 15]</extent></physdesc>
                    </did>
                </c>
                <c id="ref254" level="file">
                    <did>
                        <unittitle>Taylor, Richard C., regarding the purchase of a European cabinet of fossils</unittitle>
                        <container id="cid4444" type="Box" label="Text">2</container>
                        <container parent="cid4444" type="Folder">28</container>
                        <unitdate>1846 May 17</unitdate>
                        <physdesc id="ref255" label="General Physical Description note">
                            <extent>[7389 F 16]</extent></physdesc>
                    </did>
                </c>
                <c id="ref256" level="file">
                    <did>
                        <unittitle>Davis, Edwin H., regarding Indian altars found with mound, etc.</unittitle>
                        <container id="cid4443" type="Box" label="Text">2</container>
                        <container parent="cid4443" type="Folder">29</container>
                        <unitdate>1846 May 18</unitdate>
                        <physdesc id="ref257" label="General Physical Description note">
                            <extent>[7389 F 17]</extent></physdesc>
                    </did>
                </c>
                <c id="ref258" level="file">
                    <did>
                        <unittitle>Haight, Richard K.</unittitle>
                        <container id="cid4442" type="Box" label="Text">2</container>
                        <container parent="cid4442" type="Folder">30</container>
                        <unitdate>1846 May 24, 1846 June 1, 1846 September 4</unitdate>
                        <physdesc id="ref259" label="General Physical Description note">
                            <extent>[7389 F 27]</extent></physdesc>
                    </did>
                </c>
                <c id="ref260" level="file">
                    <did>
                        <unittitle>Koch, A. C., regarding an echinus</unittitle>
                        <container id="cid4441" type="Box" label="Text">2</container>
                        <container parent="cid4441" type="Folder">31</container>
                        <unitdate>1846 May 30</unitdate>
                        <physdesc id="ref261" label="General Physical Description note">
                            <extent>[7389 F 18]</extent></physdesc>
                    </did>
                </c>
                <c id="ref262" level="file">
                    <did>
                        <unittitle>Squier, Ephraim George, regarding the American Ethnological Society and craniology, etc.</unittitle>
                        <container id="cid4440" type="Box" label="Text">2</container>
                        <container parent="cid4440" type="Folder">32</container>
                        <unitdate>1846 June 10-1848 December 28</unitdate>
                        <physdesc id="ref263" label="General Physical Description note">
                            <extent>[7390 F 29]</extent></physdesc>
                    </did>
                </c>
                <c id="ref264" level="file">
                    <did>
                        <unittitle>Wilson, J. W., regarding skulls</unittitle>
                        <container id="cid4439" type="Box" label="Text">2</container>
                        <container parent="cid4439" type="Folder">33</container>
                        <unitdate>1846 June 22</unitdate>
                        <physdesc id="ref265" label="General Physical Description note">
                            <extent>[7389 F 19]</extent></physdesc>
                    </did>
                </c>
                <c id="ref266" level="file">
                    <did>
                        <unittitle>Clay, Joseph, regarding lands in Virginia</unittitle>
                        <container id="cid4438" type="Box" label="Text">2</container>
                        <container parent="cid4438" type="Folder">34</container>
                        <unitdate>1846 June 23, 1848 February 29</unitdate>
                        <physdesc id="ref267" label="General Physical Description note">
                            <extent>[7389 F 99]</extent></physdesc>
                    </did>
                </c>
                <c id="ref268" level="file">
                    <did>
                        <unittitle>Rhoades, Ebenezer, regarding his wife's health</unittitle>
                        <container id="cid4437" type="Box" label="Text">2</container>
                        <container parent="cid4437" type="Folder">35</container>
                        <unitdate>1846 June 23</unitdate>
                        <physdesc id="ref269" label="General Physical Description note">
                            <extent>[7389 F 20]</extent></physdesc>
                    </did>
                </c>
                <c id="ref270" level="file">
                    <did>
                        <unittitle>Jarvis, Samuel Farmar, regarding the chronology of the Bible and Egypt</unittitle>
                        <container id="cid4436" type="Box" label="Text">2</container>
                        <container parent="cid4436" type="Folder">36</container>
                        <unitdate>1846 July 2, 1846 September 22, 1846 October 3, 1847 April 10</unitdate>
                        <physdesc id="ref271" label="General Physical Description note">
                            <extent>[7389 F 20]</extent></physdesc>
                    </did>
                </c>
                <c id="ref272" level="file">
                    <did>
                        <unittitle>Kippist, Richard, regarding contributions to the Linnean Society, and acknowledgement from the Society for a gift</unittitle>
                        <container id="cid4435" type="Box" label="Text">2</container>
                        <container parent="cid4435" type="Folder">37</container>
                        <unitdate>1846 July 6, 1846 October 15</unitdate>
                        <physdesc id="ref273" label="General Physical Description note">
                            <extent>[7388 F 57, 7389 F 38]</extent></physdesc>
                    </did>
                </c>
                <c id="ref274" level="file">
                    <did>
                        <unittitle>Hardy, J. F. E., regarding Indian skulls</unittitle>
                        <container id="cid4434" type="Box" label="Text">2</container>
                        <container parent="cid4434" type="Folder">38</container>
                        <unitdate>1846 July 13</unitdate>
                        <physdesc id="ref275" label="General Physical Description note">
                            <extent>[7389 F 21]</extent></physdesc>
                    </did>
                </c>
                <c id="ref276" level="file">
                    <did>
                        <unittitle>Peale, T. R., regarding skulls formerly in the Philadelphia museum</unittitle>
                        <container id="cid4433" type="Box" label="Text">2</container>
                        <container parent="cid4433" type="Folder">39</container>
                        <unitdate>1846 July 14</unitdate>
                        <physdesc id="ref277" label="General Physical Description note">
                            <extent>[7389 F 22]</extent></physdesc>
                    </did>
                </c>
                <c id="ref278" level="file">
                    <did>
                        <unittitle>Lyell, Charles, regarding fossils given to Mr. Owen</unittitle>
                        <container id="cid4432" type="Box" label="Text">2</container>
                        <container parent="cid4432" type="Folder">40</container>
                        <unitdate>1846 July 14</unitdate>
                        <physdesc id="ref279" label="General Physical Description note">
                            <extent>[7389 F 23]</extent></physdesc>
                    </did>
                </c>
                <c id="ref280" level="file">
                    <did>
                        <unittitle>Graff, Charles, letter accompanying wine</unittitle>
                        <container id="cid4431" type="Box" label="Text">2</container>
                        <container parent="cid4431" type="Folder">41</container>
                        <unitdate>1846 July 18</unitdate>
                        <physdesc id="ref281" label="General Physical Description note">
                            <extent>[7389 F 24]</extent></physdesc>
                    </did>
                </c>
                <c id="ref282" level="file">
                    <did>
                        <unittitle>Norman, B. M., regarding his wish to be consul to Peru</unittitle>
                        <container id="cid4430" type="Box" label="Text">2</container>
                        <container parent="cid4430" type="Folder">42</container>
                        <unitdate>1846 July 20, 1846 August 24</unitdate>
                        <physdesc id="ref283" label="General Physical Description note">
                            <extent>[7389 F 25]</extent></physdesc>
                    </did>
                </c>
                <c id="ref284" level="file">
                    <did>
                        <unittitle>Gray, Asa, mentioning Mr. Agassig, etc.</unittitle>
                        <container id="cid4429" type="Box" label="Text">2</container>
                        <container parent="cid4429" type="Folder">43</container>
                        <unitdate>1846 August 19, 1846 October 13</unitdate>
                        <physdesc id="ref285" label="General Physical Description note">
                            <extent>[7389 F 37]</extent></physdesc>
                    </did>
                </c>
                <c id="ref286" level="file">
                    <did>
                        <unittitle>Barratt, John P., regarding articles taken from Indian mounds and regarding Negroes</unittitle>
                        <container id="cid4428" type="Box" label="Text">2</container>
                        <container parent="cid4428" type="Folder">44</container>
                        <unitdate>1846 September 2</unitdate>
                        <physdesc id="ref287" label="General Physical Description note">
                            <extent>[7389 F 26]</extent></physdesc>
                    </did>
                </c>
                <c id="ref288" level="file">
                    <did>
                        <unittitle>Pickering, Charles, regarding his application for the position of secretary of the Smithsonian Institution</unittitle>
                        <container id="cid4427" type="Box" label="Text">2</container>
                        <container parent="cid4427" type="Folder">45</container>
                        <unitdate>1846 September 7</unitdate>
                        <physdesc id="ref289" label="General Physical Description note">
                            <extent>[7389 F 28]</extent></physdesc>
                    </did>
                </c>
                <c id="ref290" level="file">
                    <did>
                        <unittitle>Lee, Alfred B., announcing his examination before the Army Board</unittitle>
                        <container id="cid4426" type="Box" label="Text">2</container>
                        <container parent="cid4426" type="Folder">46</container>
                        <unitdate>1846 September 8</unitdate>
                        <physdesc id="ref291" label="General Physical Description note">
                            <extent>[7389 F 29]</extent></physdesc>
                    </did>
                </c>
                <c id="ref292" level="file">
                    <did>
                        <unittitle>[Boudin]</unittitle>
                        <container id="cid4425" type="Box" label="Text">2</container>
                        <container parent="cid4425" type="Folder">47</container>
                        <physdesc>
                            <extent>[7389 F 30]</extent>
                        </physdesc>
                        <unitdate>1846 September 15</unitdate>
                    </did>
                </c>
                <c id="ref294" level="file">
                    <did>
                        <unittitle>Bateman, Warner M., inquiring regarding the result of this investigation of Negro crania</unittitle>
                        <container id="cid4424" type="Box" label="Text">2</container>
                        <container parent="cid4424" type="Folder">48</container>
                        <unitdate>1846 September 28</unitdate>
                        <physdesc id="ref295" label="General Physical Description note">
                            <extent>[7389 F 32]</extent></physdesc>
                    </did>
                </c>
                <c id="ref296" level="file">
                    <did>
                        <unittitle>Dale, John B., regarding Mr. Strain</unittitle>
                        <container id="cid4423" type="Box" label="Text">2</container>
                        <container parent="cid4423" type="Folder">49</container>
                        <unitdate>1846 October 2</unitdate>
                        <physdesc id="ref297" label="General Physical Description note">
                            <extent>[7389 F 33]</extent></physdesc>
                    </did>
                </c>
                <c id="ref298" level="file">
                    <did>
                        <unittitle>Gould, P., requesting statistics of homeopathy</unittitle>
                        <container id="cid4422" type="Box" label="Text">2</container>
                        <container parent="cid4422" type="Folder">50</container>
                        <unitdate>1846 October 7</unitdate>
                        <physdesc id="ref807" label="General Physical Description note">
                            <extent>[7389 F 35]</extent></physdesc>
                    </did>
                </c>
                <c id="ref299" level="file">
                    <did>
                        <unittitle>Fory, John C., regarding William Maclure's estate</unittitle>
                        <container id="cid4421" type="Box" label="Text">2</container>
                        <container parent="cid4421" type="Folder">51</container>
                        <unitdate>1846 October 17</unitdate>
                        <physdesc id="ref300" label="General Physical Description note">
                            <extent>[7389 F 39]</extent></physdesc>
                    </did>
                </c>
                <c id="ref301" level="file">
                    <did>
                        <unittitle>Blanding, William, regarding his nephew Abram</unittitle>
                        <container id="cid4420" type="Box" label="Text">2</container>
                        <container parent="cid4420" type="Folder">52</container>
                        <unitdate>1846 October 28</unitdate>
                        <physdesc id="ref302" label="General Physical Description note">
                            <extent>[7389 F 40]</extent></physdesc>
                    </did>
                </c>
                <c id="ref303" level="file">
                    <did>
                        <unittitle>Wilkes, Charles, regarding Dr. Pickering's wish to have his works published in the United States</unittitle>
                        <container id="cid4419" type="Box" label="Text">2</container>
                        <container parent="cid4419" type="Folder">53</container>
                        <unitdate>1846 November 6</unitdate>
                        <physdesc id="ref304" label="General Physical Description note">
                            <extent>[7389 F 42]</extent></physdesc>
                    </did>
                </c>
                <c id="ref305" level="file">
                    <did>
                        <unittitle>Ducatel, J. T., letter introducing Dr. Newman</unittitle>
                        <container id="cid4418" type="Box" label="Text">2</container>
                        <container parent="cid4418" type="Folder">54</container>
                        <unitdate>1846 November 16</unitdate>
                        <physdesc id="ref306" label="General Physical Description note">
                            <extent>[7389 F 43]</extent></physdesc>
                    </did>
                </c>
                <c id="ref307" level="file">
                    <did>
                        <unittitle>Harden, John M. B., regarding Indian mounds</unittitle>
                        <container id="cid4417" type="Box" label="Text">2</container>
                        <container parent="cid4417" type="Folder">55</container>
                        <unitdate>1846 November 16</unitdate>
                        <physdesc id="ref308" label="General Physical Description note">
                            <extent>[7389 F 44]</extent></physdesc>
                    </did>
                </c>
                <c id="ref309" level="file">
                    <did>
                        <unittitle>Ord, G., regarding Mr. Waterton's house</unittitle>
                        <container id="cid4416" type="Box" label="Text">2</container>
                        <container parent="cid4416" type="Folder">56</container>
                        <unitdate>1846 November 17</unitdate>
                        <physdesc id="ref310" label="General Physical Description note">
                            <extent>[7389 F 45]</extent></physdesc>
                    </did>
                </c>
                <c id="ref311" level="file">
                    <did>
                        <unittitle>Société Royale des Antiquaires du Nord, regarding his gifts of books</unittitle>
                        <container id="cid4415" type="Box" label="Text">2</container>
                        <container parent="cid4415" type="Folder">57</container>
                        <unitdate>1846 November 19</unitdate>
                        <physdesc id="ref312" label="General Physical Description note">
                            <extent>[7389 F 46]</extent></physdesc>
                    </did>
                </c>
                <c id="ref313" level="file">
                    <did>
                        <unittitle>Grant, Robert, letter to accompany a synopsis of an article on hybrids</unittitle>
                        <container id="cid4414" type="Box" label="Text">2</container>
                        <container parent="cid4414" type="Folder">58</container>
                        <unitdate>1846 December 1</unitdate>
                        <physdesc id="ref314" label="General Physical Description note">
                            <extent>[7389 F 47]</extent></physdesc>
                    </did>
                </c>
                <c id="ref315" level="file">
                    <did>
                        <unittitle>Wilson, Thomas B., regarding collecting birds, animals, etc. for a natural history collection</unittitle>
                        <container id="cid4413" type="Box" label="Text">2</container>
                        <container parent="cid4413" type="Folder">59</container>
                        <unitdate>1846 December 9</unitdate>
                        <physdesc id="ref316" label="General Physical Description note">
                            <extent>[7389 F 47.5]</extent></physdesc>
                    </did>
                </c>
                <c id="ref317" level="file">
                    <did>
                        <unittitle>Bartlett, John R., regarding the American Ethnological Society</unittitle>
                        <container id="cid4412" type="Box" label="Text">2</container>
                        <container parent="cid4412" type="Folder">60</container>
                        <unitdate>1846 December 21-1848 August 4</unitdate>
                        <physdesc id="ref318" label="General Physical Description note">
                            <extent>[7390 F 4]</extent></physdesc>
                    </did>
                </c>
                <c id="ref319" level="file">
                    <did>
                        <unittitle>Gibbes, Robert W., regarding fossils</unittitle>
                        <container id="cid4411" type="Box" label="Text">2</container>
                        <container parent="cid4411" type="Folder">61</container>
                        <unitdate>1847 January 7-1847 December 30</unitdate>
                        <physdesc id="ref320" label="General Physical Description note">
                            <extent>[7389 F 94]</extent></physdesc>
                    </did>
                </c>
                <c id="ref321" level="file">
                    <did>
                        <unittitle>Troost, Gerard, regarding the origin of the Academy of Natural Sciences of Philadelphia</unittitle>
                        <container id="cid4410" type="Box" label="Text">2</container>
                        <container parent="cid4410" type="Folder">62</container>
                        <unitdate>1847 January 10</unitdate>
                        <physdesc id="ref322" label="General Physical Description note">
                            <extent>[7389 F 50]</extent></physdesc>
                    </did>
                </c>
                <c id="ref323" level="file">
                    <did>
                        <unittitle>Wyman, J.</unittitle>
                        <container id="cid4409" type="Box" label="Text">2</container>
                        <container parent="cid4409" type="Folder">63</container>
                        <unitdate>1847 January 10, 1847 July 4, 1847 August 5, 1848 January 1</unitdate>
                        <physdesc id="ref808" label="General Physical Description note">
                            <extent>[7389 F 97]</extent></physdesc>
                    </did>
                </c>
                <c id="ref324" level="file">
                    <did>
                        <unittitle>Johnston, A. S.</unittitle>
                        <container id="cid4408" type="Box" label="Text">2</container>
                        <container parent="cid4408" type="Folder">64</container>
                        <unitdate>1847 January 13</unitdate>
                        <physdesc id="ref809" label="General Physical Description note">
                            <extent>[7389 F 51]</extent></physdesc>
                    </did>
                </c>
                <c id="ref325" level="file">
                    <did>
                        <unittitle>Collins, Alfred M., letter thanking Morton for medical attention</unittitle>
                        <container id="cid4407" type="Box" label="Text">2</container>
                        <container parent="cid4407" type="Folder">65</container>
                        <unitdate>1847 January 14</unitdate>
                        <physdesc id="ref326" label="General Physical Description note">
                            <extent>[7389 F 52]</extent></physdesc>
                    </did>
                </c>
                <c id="ref327" level="file">
                    <did>
                        <unittitle>McMurtrie, H., soliciting recommendations</unittitle>
                        <container id="cid4406" type="Box" label="Text">2</container>
                        <container parent="cid4406" type="Folder">66</container>
                        <unitdate>1847 January 25, 1847 October 9, 1848 October 14</unitdate>
                        <physdesc id="ref328" label="General Physical Description note">
                            <extent>[7390 F 15]</extent></physdesc>
                    </did>
                </c>
                <c id="ref329" level="file">
                    <did>
                        <unittitle>Maitland, N. C., regarding his sister's certificate of stock</unittitle>
                        <container id="cid4405" type="Box" label="Text">2</container>
                        <container parent="cid4405" type="Folder">67</container>
                        <unitdate>1847 February 5</unitdate>
                        <physdesc id="ref330" label="General Physical Description note">
                            <extent>[7389 F 53]</extent></physdesc>
                    </did>
                </c>
                <c id="ref331" level="file">
                    <did>
                        <unittitle>Welcker, George L., regarding James St. Clair Morton's appointment as cadet at West Point</unittitle>
                        <container id="cid4404" type="Box" label="Text">2</container>
                        <container parent="cid4404" type="Folder">68</container>
                        <unitdate>1847 February 24, 1847 March 6</unitdate>
                        <physdesc id="ref332" label="General Physical Description note">
                            <extent>[7389 F 58]</extent></physdesc>
                    </did>
                </c>
                <c id="ref333" level="file">
                    <did>
                        <unittitle>Ingersoll, J. R., regarding James St. Clair Morton's appointment as cadet at West Point</unittitle>
                        <container id="cid4403" type="Box" label="Text">2</container>
                        <container parent="cid4403" type="Folder">69</container>
                        <unitdate>1847 February 25</unitdate>
                        <physdesc id="ref334" label="General Physical Description note">
                            <extent>[7389 F 55]</extent></physdesc>
                    </did>
                </c>
                <c id="ref335" level="file">
                    <did>
                        <unittitle>Trudeau, James, letter introducing William H. Edwards</unittitle>
                        <container id="cid4402" type="Box" label="Text">2</container>
                        <container parent="cid4402" type="Folder">70</container>
                        <unitdate>1847 March 2</unitdate>
                        <physdesc id="ref336" label="General Physical Description note">
                            <extent>[7389 F 57]</extent></physdesc>
                    </did>
                </c>
                <c id="ref337" level="file">
                    <did>
                        <unittitle>Hass, W. D., regarding Indian relics from the mound at Grave Creek</unittitle>
                        <container id="cid4401" type="Box" label="Text">2</container>
                        <container parent="cid4401" type="Folder">71</container>
                        <unitdate>1847 March 10, 20</unitdate>
                        <physdesc id="ref338" label="General Physical Description note">
                            <extent>[7389 F 60]</extent></physdesc>
                    </did>
                </c>
                <c id="ref339" level="file">
                    <did>
                        <unittitle>Edwards, William H., regarding engaging Mr. Leavens to collect natural history specimens</unittitle>
                        <container id="cid4400" type="Box" label="Text">2</container>
                        <container parent="cid4400" type="Folder">72</container>
                        <unitdate>1847 March 11, 1847 March 25, 1847 May 17</unitdate>
                        <physdesc id="ref340" label="General Physical Description note">
                            <extent>[7389 F 68]</extent></physdesc>
                    </did>
                </c>
                <c id="ref341" level="file">
                    <did>
                        <unittitle>Koeppen, Adolphus S., regarding a gift to the Royal Society of Northern Antiquarians in Copenhagen</unittitle>
                        <container id="cid4399" type="Box" label="Text">2</container>
                        <container parent="cid4399" type="Folder">73</container>
                        <unitdate>1847 March 27</unitdate>
                        <physdesc id="ref342" label="General Physical Description note">
                            <extent>[7389 F 61]</extent></physdesc>
                    </did>
                </c>
                <c id="ref343" level="file">
                    <did>
                        <unittitle>Retzius, Anders, regarding crania</unittitle>
                        <container id="cid4398" type="Box" label="Text">2</container>
                        <container parent="cid4398" type="Folder">74</container>
                        <unitdate>1847 April 3-1848 November 20, undated</unitdate>
                        <physdesc id="ref344" label="General Physical Description note">
                            <extent>[7390 F 22]</extent></physdesc>
                    </did>
                </c>
                <c id="ref345" level="file">
                    <did>
                        <unittitle>Foster, W. A., regarding Dr. Oakford's situation in Paita</unittitle>
                        <container id="cid4397" type="Box" label="Text">2</container>
                        <container parent="cid4397" type="Folder">75</container>
                        <unitdate>1847 April 6</unitdate>
                        <physdesc id="ref346" label="General Physical Description note">
                            <extent>[7389 F 62]</extent></physdesc>
                    </did>
                </c>
                <c id="ref347" level="file">
                    <did>
                        <unittitle>Powel, Samuel, regarding his son's and father's health</unittitle>
                        <container id="cid4396" type="Box" label="Text">2</container>
                        <container parent="cid4396" type="Folder">76</container>
                        <unitdate>1847 April 10, 1847 May 3</unitdate>
                        <physdesc id="ref348" label="General Physical Description note">
                            <extent>[7389 F 67]</extent></physdesc>
                    </did>
                </c>
                <c id="ref349" level="file">
                    <did>
                        <unittitle>Dudly, D. W., congratulating Morton on his work on hybridity</unittitle>
                        <container id="cid4395" type="Box" label="Text">2</container>
                        <container parent="cid4395" type="Folder">77</container>
                        <unitdate>1847 April 15</unitdate>
                        <physdesc id="ref350" label="General Physical Description note">
                            <extent>[7389 F 64]</extent></physdesc>
                    </did>
                </c>
                <c id="ref351" level="file">
                    <did>
                        <unittitle>Adams, W. G., inquiring about the language of ancient Egyptians, crania, etc.</unittitle>
                        <container id="cid4394" type="Box" label="Text">2</container>
                        <container parent="cid4394" type="Folder">78</container>
                        <unitdate>1847 April 19</unitdate>
                        <physdesc id="ref352" label="General Physical Description note">
                            <extent>[7389 F 65]</extent></physdesc>
                    </did>
                </c>
                <c id="ref353" level="file">
                    <did>
                        <unittitle>Salisbury, Edward E., letter to accompany the 
                            <emph render="italic">Journal of the American Oriental Society</emph></unittitle>
                        <container id="cid4393" type="Box" label="Text">2</container>
                        <container parent="cid4393" type="Folder">79</container>
                        <unitdate>1847 April 24</unitdate>
                        <physdesc id="ref354" label="General Physical Description note">
                            <extent>[7389 F 66]</extent></physdesc>
                    </did>
                </c>
                <c id="ref355" level="file">
                    <did>
                        <unittitle>Abert, J. J., regarding species of birds found by his son</unittitle>
                        <container id="cid4392" type="Box" label="Text">2</container>
                        <container parent="cid4392" type="Folder">80</container>
                        <unitdate>1847 May 1, 1847 May 17, 1847 May 27</unitdate>
                        <physdesc id="ref356" label="General Physical Description note">
                            <extent>[7389 F 70]</extent></physdesc>
                    </did>
                </c>
                <c id="ref357" level="file">
                    <did>
                        <unittitle>Carpenter, W. M., regarding Indians</unittitle>
                        <container id="cid4391" type="Box" label="Text">2</container>
                        <container parent="cid4391" type="Folder">81</container>
                        <unitdate>1847 May 26, 1848 September 8</unitdate>
                        <physdesc id="ref358" label="General Physical Description note">
                            <extent>[7390 F 7]</extent></physdesc>
                    </did>
                </c>
                <c id="ref359" level="file">
                    <did>
                        <unittitle>MacCarthy, M. Felix, introducing Francis Rogerson</unittitle>
                        <container id="cid4390" type="Box" label="Text">2</container>
                        <container parent="cid4390" type="Folder">82</container>
                        <unitdate>1847 May 26</unitdate>
                        <physdesc id="ref360" label="General Physical Description note">
                            <extent>[7389 F 69]</extent></physdesc>
                    </did>
                </c>
                <c id="ref361" level="file">
                    <did>
                        <unittitle>Nott, Josiah C., regarding Negroes of Mobile and New Orleans</unittitle>
                        <container id="cid4389" type="Box" label="Text">2</container>
                        <container parent="cid4389" type="Folder">83</container>
                        <unitdate>1847 June 1, 1849 June 27</unitdate>
                        <physdesc id="ref362" label="General Physical Description note">
                            <extent>[7389 F 77]</extent></physdesc>
                    </did>
                </c>
                <c id="ref363" level="file">
                    <did>
                        <unittitle>Cowper, G., regarding the sickness and death of his aunt</unittitle>
                        <container id="cid4388" type="Box" label="Text">2</container>
                        <container parent="cid4388" type="Folder">84</container>
                        <unitdate>1847 June 6-1848 October 4</unitdate>
                        <physdesc id="ref364" label="General Physical Description note">
                            <extent>[7390 F 14]</extent></physdesc>
                    </did>
                </c>
                <c id="ref365" level="file">
                    <did>
                        <unittitle>McClellan, J. H. B.</unittitle>
                        <container id="cid4387" type="Box" label="Text">2</container>
                        <container parent="cid4387" type="Folder">85</container>
                        <unitdate>1847 June 8</unitdate>
                        <physdesc id="ref366" label="General Physical Description note">
                            <extent>[7389 F 72]</extent></physdesc>
                    </did>
                </c>
                <c id="ref367" level="file">
                    <did>
                        <unittitle>[Swaby], John, regarding the ethnology of the American race</unittitle>
                        <container id="cid4386" type="Box" label="Text">2</container>
                        <container parent="cid4386" type="Folder">86</container>
                        <unitdate>1847 June 13</unitdate>
                        <physdesc id="ref368" label="General Physical Description note">
                            <extent>[7389 F 73]</extent></physdesc>
                    </did>
                </c>
                <c id="ref369" level="file">
                    <did>
                        <unittitle>Oakford, Samuel J., regarding collecting Indian relics</unittitle>
                        <container id="cid4385" type="Box" label="Text">2</container>
                        <container parent="cid4385" type="Folder">87</container>
                        <unitdate>1847 June 14, 1847 November 10</unitdate>
                        <physdesc id="ref370" label="General Physical Description note">
                            <extent>[7389 F 89]</extent></physdesc>
                    </did>
                </c>
                <c id="ref371" level="file">
                    <did>
                        <unittitle>Watson, John, regarding skulls from the East Indies collected by Dr. Mead</unittitle>
                        <container id="cid4384" type="Box" label="Text">2</container>
                        <container parent="cid4384" type="Folder">88</container>
                        <unitdate>1847 June 15</unitdate>
                        <physdesc id="ref372" label="General Physical Description note">
                            <extent>[7389 F 74]</extent></physdesc>
                    </did>
                </c>
                <c id="ref373" level="file">
                    <did>
                        <unittitle>Combs, Leslie, regarding crossing the buffalo with domestic cattle</unittitle>
                        <container id="cid4383" type="Box" label="Text">2</container>
                        <container parent="cid4383" type="Folder">89</container>
                        <unitdate>1847 June 18</unitdate>
                        <physdesc id="ref374" label="General Physical Description note">
                            <extent>[7389 F 75]</extent></physdesc>
                    </did>
                </c>
                <c id="ref375" level="file">
                    <did>
                        <unittitle>Brophy, Michael, requesting help</unittitle>
                        <container id="cid4382" type="Box" label="Text">2</container>
                        <container parent="cid4382" type="Folder">90</container>
                        <unitdate>1847 August 2</unitdate>
                        <physdesc id="ref376" label="General Physical Description note">
                            <extent>[7389 F 78]</extent></physdesc>
                    </did>
                </c>
                <c id="ref377" level="file">
                    <did>
                        <unittitle>Horner, W. E., regarding his services to Mrs. Binney</unittitle>
                        <container id="cid4381" type="Box" label="Text">2</container>
                        <container parent="cid4381" type="Folder">91</container>
                        <unitdate>1847 August 9</unitdate>
                        <physdesc id="ref378" label="General Physical Description note">
                            <extent>[7389 F 80]</extent></physdesc>
                    </did>
                </c>
                <c id="ref379" level="file">
                    <did>
                        <unittitle>Hildreth, S. P., regarding fossil wood</unittitle>
                        <container id="cid4380" type="Box" label="Text">2</container>
                        <container parent="cid4380" type="Folder">92</container>
                        <unitdate>1847 August 19, 1848 March 13</unitdate>
                        <physdesc id="ref380" label="General Physical Description note">
                            <extent>[7389 F 100]</extent></physdesc>
                    </did>
                </c>
                <c id="ref381" level="file">
                    <did>
                        <unittitle>Abert, J. W., regarding mineral fossils, etc. from New Mexico</unittitle>
                        <container id="cid4379" type="Box" label="Text">2</container>
                        <container parent="cid4379" type="Folder">93</container>
                        <unitdate>1847 August 28</unitdate>
                        <physdesc id="ref382" label="General Physical Description note">
                            <extent>[7389 F 81]</extent></physdesc>
                    </did>
                </c>
                <c id="ref383" level="file">
                    <did>
                        <unittitle>d'Eichthal, Gustav, regarding the origin of the human race</unittitle>
                        <container id="cid4378" type="Box" label="Text">2</container>
                        <container parent="cid4378" type="Folder">94</container>
                        <unitdate>1847 August 30</unitdate>
                        <physdesc id="ref384" label="General Physical Description note">
                            <extent>[7389 F 82]</extent></physdesc>
                    </did>
                </c>
                <c id="ref385" level="file">
                    <did>
                        <unittitle>Pease, W. H. and Francis Markoe Jr.</unittitle>
                        <container id="cid4377" type="Box" label="Text">2</container>
                        <container parent="cid4377" type="Folder">95</container>
                        <unitdate>1847 September 7/11</unitdate>
                        <physdesc id="ref386" label="General Physical Description note">
                            <extent>[7389 F 83]</extent></physdesc>
                    </did>
                </c>
                <c id="ref387" level="file">
                    <did>
                        <unittitle>Gardner, Francis, announcement of the American Oriental Society</unittitle>
                        <container id="cid4376" type="Box" label="Text">2</container>
                        <container parent="cid4376" type="Folder">96</container>
                        <unitdate>1847 September 9</unitdate>
                        <physdesc id="ref388" label="General Physical Description note">
                            <extent>[7389 F 84]</extent></physdesc>
                    </did>
                </c>
                <c id="ref389" level="file">
                    <did>
                        <unittitle>Norman, B. M., regarding his return from Washington</unittitle>
                        <container id="cid4375" type="Box" label="Text">2</container>
                        <container parent="cid4375" type="Folder">97</container>
                        <unitdate>1847 September 11</unitdate>
                        <physdesc id="ref390" label="General Physical Description note">
                            <extent>[7389 F 85]</extent></physdesc>
                    </did>
                </c>
                <c id="ref391" level="file">
                    <did>
                        <unittitle>Culbertson, S. D., letter accompanying some skulls</unittitle>
                        <container id="cid4374" type="Box" label="Text">2</container>
                        <container parent="cid4374" type="Folder">98</container>
                        <unitdate>1847 September 16</unitdate>
                        <physdesc id="ref392" label="General Physical Description note">
                            <extent>[7389 F 86]</extent></physdesc>
                    </did>
                </c>
                <c id="ref393" level="file">
                    <did>
                        <unittitle>Blanding, William, regarding his nephew Abram</unittitle>
                        <container id="cid4373" type="Box" label="Text">2</container>
                        <container parent="cid4373" type="Folder">99</container>
                        <unitdate>1847 September 18, 1848 March 27</unitdate>
                        <physdesc id="ref394" label="General Physical Description note">
                            <extent>[7389 F 103]</extent></physdesc>
                    </did>
                </c>
                <c id="ref395" level="file">
                    <did>
                        <unittitle>London British Museum, unknown author</unittitle>
                        <container id="cid4372" type="Box" label="Text">2</container>
                        <container parent="cid4372" type="Folder">100</container>
                        <unitdate>1847 October 2</unitdate>
                        <physdesc id="ref810" label="General Physical Description note">
                            <extent>[7389 F 87]</extent></physdesc>
                    </did>
                </c>
                <c id="ref396" level="file">
                    <did>
                        <unittitle>Report from Military Academy</unittitle>
                        <container id="cid4371" type="Box" label="Text">2</container>
                        <container parent="cid4371" type="Folder">101</container>
                        <unitdate>1847 October 19-1848 December 18</unitdate>
                        <physdesc id="ref811" label="General Physical Description note">
                            <extent>[7390 F 25]</extent></physdesc>
                    </did>
                </c>
                <c id="ref397" level="file">
                    <did>
                        <unittitle>Page, Thomas L., mentioning the death of Dr. Houstoun</unittitle>
                        <container id="cid4370" type="Box" label="Text">2</container>
                        <container parent="cid4370" type="Folder">102</container>
                        <unitdate>1847 October 31</unitdate>
                        <physdesc id="ref398" label="General Physical Description note">
                            <extent>[7389 F 88]</extent></physdesc>
                    </did>
                </c>
                <c id="ref399" level="file">
                    <did>
                        <unittitle>Robertson, F. M., inquiring about insane asylums</unittitle>
                        <container id="cid4369" type="Box" label="Text">2</container>
                        <container parent="cid4369" type="Folder">103</container>
                        <unitdate>1847 November 23</unitdate>
                        <physdesc id="ref400" label="General Physical Description note">
                            <extent>[7389 F 90]</extent></physdesc>
                    </did>
                </c>
                <c id="ref401" level="file">
                    <did>
                        <unittitle>Brydges, H. J. S., regarding Peale's painting of Waterton</unittitle>
                        <container id="cid4368" type="Box" label="Text">2</container>
                        <container parent="cid4368" type="Folder">104</container>
                        <unitdate>1847 November 24</unitdate>
                        <physdesc id="ref402" label="General Physical Description note">
                            <extent>[7389 F 91]</extent></physdesc>
                    </did>
                </c>
                <c id="ref403" level="file">
                    <did>
                        <unittitle>Lieber, J. O. M., regarding the distribution of pamphlets</unittitle>
                        <container id="cid4367" type="Box" label="Text">2</container>
                        <container parent="cid4367" type="Folder">105</container>
                        <unitdate>1847 November 29</unitdate>
                        <physdesc id="ref404" label="General Physical Description note">
                            <extent>[7389 F 92]</extent></physdesc>
                    </did>
                </c>
                <c id="ref405" level="file">
                    <did>
                        <unittitle>Foster, W. A., regarding crania from Peru (unfinished)</unittitle>
                        <container id="cid4366" type="Box" label="Text">2</container>
                        <container parent="cid4366" type="Folder">106</container>
                        <unitdate>1847 December 1</unitdate>
                        <physdesc id="ref406" label="General Physical Description note">
                            <extent>[7389 F 93]</extent></physdesc>
                    </did>
                </c>
                <c id="ref407" level="file">
                    <did>
                        <unittitle>Holmes, R. S., regarding a mummified head from Buena Vista</unittitle>
                        <container id="cid4365" type="Box" label="Text">2</container>
                        <container parent="cid4365" type="Folder">107</container>
                        <unitdate>1847 December 16</unitdate>
                        <physdesc id="ref408" label="General Physical Description note">
                            <extent>[7389 F 95]</extent></physdesc>
                    </did>
                </c>
                <c id="ref409" level="file">
                    <did>
                        <unittitle>Gliddon, George R., regarding his lecture tour and regarding his brother</unittitle>
                        <container id="cid4364" type="Box" label="Text">3</container>
                        <container parent="cid4364" type="Folder">1</container>
                        <unitdate>1848 January 9, 1848 February 3, 1848 April 7, 1848 May 15</unitdate>
                        <physdesc id="ref410" label="General Physical Description note">
                            <extent>[7390 F 1]</extent></physdesc>
                    </did>
                </c>
                <c id="ref411" level="file">
                    <did>
                        <unittitle>Graham, James, thanking Morton for his professional services</unittitle>
                        <container id="cid4363" type="Box" label="Text">3</container>
                        <container parent="cid4363" type="Folder">2</container>
                        <unitdate>1848 January 19</unitdate>
                        <physdesc id="ref412" label="General Physical Description note">
                            <extent>[7389 F 98]</extent></physdesc>
                    </did>
                </c>
                <c id="ref413" level="file">
                    <did>
                        <unittitle>Gibbes, Robert W., regarding paleontology</unittitle>
                        <container id="cid4362" type="Box" label="Text">3</container>
                        <container parent="cid4362" type="Folder">3</container>
                        <unitdate>1848 February 18-1849 February 22</unitdate>
                        <physdesc id="ref414" label="General Physical Description note">
                            <extent>[7390 F 38]</extent></physdesc>
                    </did>
                </c>
                <c id="ref415" level="file">
                    <did>
                        <unittitle>Wislizenus, A., regarding books for Dr. Engelman</unittitle>
                        <container id="cid4361" type="Box" label="Text">3</container>
                        <container parent="cid4361" type="Folder">4</container>
                        <unitdate>1848 March 8, 1848 May 6</unitdate>
                        <physdesc id="ref416" label="General Physical Description note">
                            <extent>[7389 F 108]</extent></physdesc>
                    </did>
                </c>
                <c id="ref417" level="file">
                    <did>
                        <unittitle>Swift, Edward, letter to accompany specimens of mineral</unittitle>
                        <container id="cid4360" type="Box" label="Text">3</container>
                        <container parent="cid4360" type="Folder">5</container>
                        <unitdate>1848 March 13</unitdate>
                        <physdesc id="ref418" label="General Physical Description note">
                            <extent>[7389 F 101]</extent></physdesc>
                    </did>
                </c>
                <c id="ref419" level="file">
                    <did>
                        <unittitle>Storer, D. Humphrey, introducing Dr. Stone</unittitle>
                        <container id="cid4359" type="Box" label="Text">3</container>
                        <container parent="cid4359" type="Folder">6</container>
                        <unitdate>1848 April 2</unitdate>
                        <physdesc id="ref420" label="General Physical Description note">
                            <extent>[7389 F 104]</extent></physdesc>
                    </did>
                </c>
                <c id="ref421" level="file">
                    <did>
                        <unittitle>Van Amringe, W. F., regarding the natural history of man</unittitle>
                        <container id="cid4358" type="Box" label="Text">3</container>
                        <container parent="cid4358" type="Folder">7</container>
                        <unitdate>1848 April 10-1848 August 31</unitdate>
                        <physdesc id="ref422" label="General Physical Description note">
                            <extent>[7390 F 58]</extent></physdesc>
                    </did>
                </c>
                <c id="ref423" level="file">
                    <did>
                        <unittitle>Nicholson, C., letter to accompany skulls from Australia</unittitle>
                        <container id="cid4357" type="Box" label="Text">3</container>
                        <container parent="cid4357" type="Folder">8</container>
                        <unitdate>1848 April 11</unitdate>
                        <physdesc id="ref424" label="General Physical Description note">
                            <extent>[7389 F 105]</extent></physdesc>
                    </did>
                </c>
                <c id="ref425" level="file">
                    <did>
                        <unittitle>Richards, B. W., regarding a letter from van Amringe</unittitle>
                        <container id="cid4356" type="Box" label="Text">3</container>
                        <container parent="cid4356" type="Folder">9</container>
                        <unitdate>1848 April 11</unitdate>
                        <physdesc id="ref426" label="General Physical Description note">
                            <extent>[7389 F 106]</extent></physdesc>
                    </did>
                </c>
                <c id="ref427" level="file">
                    <did>
                        <unittitle>Hoyt, Otis, regarding W.H. Pease</unittitle>
                        <container id="cid4355" type="Box" label="Text">3</container>
                        <container parent="cid4355" type="Folder">10</container>
                        <unitdate>1848 May 4</unitdate>
                        <physdesc id="ref428" label="General Physical Description note">
                            <extent>[7389 F 107]</extent></physdesc>
                    </did>
                </c>
                <c id="ref429" level="file">
                    <did>
                        <unittitle>Shipman, A. B., announcing his election as honorary member of the North Western Academy of Natural and Medical Sciences</unittitle>
                        <container id="cid4354" type="Box" label="Text">3</container>
                        <container parent="cid4354" type="Folder">11</container>
                        <unitdate>1848 June 8</unitdate>
                        <physdesc id="ref430" label="General Physical Description note">
                            <extent>[7389 F 110]</extent></physdesc>
                    </did>
                </c>
                <c id="ref431" level="file">
                    <did>
                        <unittitle>Engelmann, George, mentioning Dr. Wislizenus and Dr. Holmes</unittitle>
                        <container id="cid4353" type="Box" label="Text">3</container>
                        <container parent="cid4353" type="Folder">12</container>
                        <unitdate>1848 June 9</unitdate>
                        <physdesc id="ref432" label="General Physical Description note">
                            <extent>[7389 F 111]</extent></physdesc>
                    </did>
                </c>
                <c id="ref433" level="file">
                    <did>
                        <unittitle>Cohen, Joshua J., inquiring regarding Dr. Gliddon</unittitle>
                        <container id="cid4352" type="Box" label="Text">3</container>
                        <container parent="cid4352" type="Folder">13</container>
                        <unitdate>1848 June 11</unitdate>
                        <physdesc id="ref434" label="General Physical Description note">
                            <extent>[7389 F 112]</extent></physdesc>
                    </did>
                </c>
                <c id="ref435" level="file">
                    <did>
                        <unittitle>Hodgson, William B., regarding paleontology, Egyptology, etc.</unittitle>
                        <container id="cid4351" type="Box" label="Text">3</container>
                        <container parent="cid4351" type="Folder">14</container>
                        <unitdate>1848 June 26, 1848 June 30, 1848 June 25, 1848 March 23</unitdate>
                        <physdesc id="ref436" label="General Physical Description note">
                            <extent>[7389 F 102]</extent></physdesc>
                    </did>
                </c>
                <c id="ref437" level="file">
                    <did>
                        <unittitle>Johnson, W. R., regarding his resignation as secretary of the Academy of Natural Sciences of Philadelphia</unittitle>
                        <container id="cid4350" type="Box" label="Text">3</container>
                        <container parent="cid4350" type="Folder">15</container>
                        <unitdate>1848 July 1</unitdate>
                        <physdesc id="ref438" label="General Physical Description note">
                            <extent>[7390 F 2]</extent></physdesc>
                    </did>
                </c>
                <c id="ref439" level="file">
                    <did>
                        <unittitle>Gibbes, Lewis R., mentioning the American Association for Promoting Science</unittitle>
                        <container id="cid4349" type="Box" label="Text">3</container>
                        <container parent="cid4349" type="Folder">16</container>
                        <unitdate>1848 July 6</unitdate>
                        <physdesc id="ref440" label="General Physical Description note">
                            <extent>[7390 F 3]</extent></physdesc>
                    </did>
                </c>
                <c id="ref441" level="file">
                    <did>
                        <unittitle>Harris, A. C., letter accompanying plates</unittitle>
                        <container id="cid4348" type="Box" label="Text">3</container>
                        <container parent="cid4348" type="Folder">17</container>
                        <unitdate>1848 August 21</unitdate>
                        <physdesc id="ref442" label="General Physical Description note">
                            <extent>[7390 F 6]</extent></physdesc>
                    </did>
                </c>
                <c id="ref443" level="file">
                    <did>
                        <unittitle>Redfield, William C., regarding the American Association of the Advancement of Science</unittitle>
                        <container id="cid4347" type="Box" label="Text">3</container>
                        <container parent="cid4347" type="Folder">18</container>
                        <unitdate>1848 September 11</unitdate>
                        <physdesc id="ref444" label="General Physical Description note">
                            <extent>[7390 F 8]</extent></physdesc>
                    </did>
                </c>
                <c id="ref445" level="file">
                    <did>
                        <unittitle>Fussell, Edwin, regarding Dr. Alter's death</unittitle>
                        <container id="cid4346" type="Box" label="Text">3</container>
                        <container parent="cid4346" type="Folder">19</container>
                        <unitdate>1848 September 12</unitdate>
                        <physdesc id="ref446" label="General Physical Description note">
                            <extent>[7390 F 9]</extent></physdesc>
                    </did>
                </c>
                <c id="ref447" level="file">
                    <did>
                        <unittitle>Hubbard, J. S., regarding his paper for the American Association for the Advancement of Science</unittitle>
                        <container id="cid4345" type="Box" label="Text">3</container>
                        <container parent="cid4345" type="Folder">20</container>
                        <unitdate>1848 September 14</unitdate>
                        <physdesc id="ref448" label="General Physical Description note">
                            <extent>[7390 F 10]</extent></physdesc>
                    </did>
                </c>
                <c id="ref449" level="file">
                    <did>
                        <unittitle>Millington, John, with enclosed letter for Benjamin Silliman, Jr.</unittitle>
                        <container id="cid4344" type="Box" label="Text">3</container>
                        <container parent="cid4344" type="Folder">21</container>
                        <unitdate>1848 September 18</unitdate>
                        <physdesc id="ref450" label="General Physical Description note">
                            <extent>[7390 F 11]</extent></physdesc>
                    </did>
                </c>
                <c id="ref451" level="file">
                    <did>
                        <unittitle>Kern, Richard H., regarding his departure from Philadelphia</unittitle>
                        <container id="cid4343" type="Box" label="Text">3</container>
                        <container parent="cid4343" type="Folder">22</container>
                        <unitdate>1848 September 20</unitdate>
                        <physdesc id="ref452" label="General Physical Description note">
                            <extent>[7390 F 12]</extent></physdesc>
                    </did>
                </c>
                <c id="ref453" level="file">
                    <did>
                        <unittitle>Morris, Jacob G., mentioning Professor August Zeune</unittitle>
                        <container id="cid4342" type="Box" label="Text">3</container>
                        <container parent="cid4342" type="Folder">23</container>
                        <unitdate>1848 September 21</unitdate>
                        <physdesc id="ref454" label="General Physical Description note">
                            <extent>[7390 F 13]</extent></physdesc>
                    </did>
                </c>
                <c id="ref455" level="file">
                    <did>
                        <unittitle>Clayton, Charles M., regarding his health</unittitle>
                        <container id="cid4341" type="Box" label="Text">3</container>
                        <container parent="cid4341" type="Folder">24</container>
                        <unitdate>1848 October 20</unitdate>
                        <physdesc id="ref456" label="General Physical Description note">
                            <extent>[7390 F 16]</extent></physdesc>
                    </did>
                </c>
                <c id="ref457" level="file">
                    <did>
                        <unittitle>Barratt, John P., Letter accompanying Indian goods, etc.</unittitle>
                        <container id="cid4340" type="Box" label="Text">3</container>
                        <container parent="cid4340" type="Folder">25</container>
                        <unitdate>1848 October 25</unitdate>
                        <physdesc id="ref458" label="General Physical Description note">
                            <extent>[7390 F 17]</extent></physdesc>
                    </did>
                </c>
                <c id="ref459" level="file">
                    <did>
                        <unittitle>Monro, Alex, introducing Dr. Nasmyth and telling Morton of Dr. Lister's death</unittitle>
                        <container id="cid4339" type="Box" label="Text">3</container>
                        <container parent="cid4339" type="Folder">26</container>
                        <unitdate>1848 October 30</unitdate>
                        <physdesc id="ref460" label="General Physical Description note">
                            <extent>[7390 F 18]</extent></physdesc>
                    </did>
                </c>
                <c id="ref461" level="file">
                    <did>
                        <unittitle>Say, Mrs. Lucy W., regarding Maclure's estate</unittitle>
                        <container id="cid4338" type="Box" label="Text">3</container>
                        <container parent="cid4338" type="Folder">27</container>
                        <unitdate>1848 November 9</unitdate>
                        <physdesc id="ref462" label="General Physical Description note">
                            <extent>[7390 F 19]</extent></physdesc>
                    </did>
                </c>
                <c id="ref463" level="file">
                    <did>
                        <unittitle>Hulse, Isaac, regarding an Indian skull from Alabama</unittitle>
                        <container id="cid4337" type="Box" label="Text">3</container>
                        <container parent="cid4337" type="Folder">28</container>
                        <unitdate>1848 November 15</unitdate>
                        <physdesc id="ref464" label="General Physical Description note">
                            <extent>[7390 F 20]</extent></physdesc>
                    </did>
                </c>
                <c id="ref465" level="file">
                    <did>
                        <unittitle>Wallace, Charles, regarding his health</unittitle>
                        <container id="cid4336" type="Box" label="Text">3</container>
                        <container parent="cid4336" type="Folder">29</container>
                        <unitdate>1848 December 5</unitdate>
                        <physdesc id="ref466" label="General Physical Description note">
                            <extent>[7390 F 24]</extent></physdesc>
                    </did>
                </c>
                <c id="ref467" level="file">
                    <did>
                        <unittitle>Haight, Nicholas, regarding recommending a site for a sanatorium</unittitle>
                        <container id="cid4335" type="Box" label="Text">3</container>
                        <container parent="cid4335" type="Folder">30</container>
                        <unitdate>1848 December 20</unitdate>
                        <physdesc id="ref468" label="General Physical Description note">
                            <extent>[7390 F 26]</extent></physdesc>
                    </did>
                </c>
                <c id="ref469" level="file">
                    <did>
                        <unittitle>Cist, L. J., requesting an autograph</unittitle>
                        <container id="cid4334" type="Box" label="Text">3</container>
                        <container parent="cid4334" type="Folder">31</container>
                        <unitdate>1848 December 20</unitdate>
                        <physdesc id="ref470" label="General Physical Description note">
                            <extent>[7390 F 27]</extent></physdesc>
                    </did>
                </c>
                <c id="ref471" level="file">
                    <did>
                        <unittitle>Reeves, J. L. K., including a circular of the rules of the United States Military Academy at West Point</unittitle>
                        <container id="cid4333" type="Box" label="Text">3</container>
                        <container parent="cid4333" type="Folder">32</container>
                        <unitdate>1848 December 21</unitdate>
                        <physdesc id="ref472" label="General Physical Description note">
                            <extent>[7390 F 28]</extent></physdesc>
                    </did>
                </c>
                <c id="ref473" level="file">
                    <did>
                        <unittitle>Gibbes, Robert W., regarding natural history, etc.</unittitle>
                        <container id="cid4332" type="Box" label="Text">3</container>
                        <container parent="cid4332" type="Folder">33</container>
                        <unitdate>1849 January 3-1849 September 12</unitdate>
                        <physdesc id="ref474" label="General Physical Description note">
                            <extent>[7390 F 60]</extent></physdesc>
                    </did>
                </c>
                <c id="ref475" level="file">
                    <did>
                        <unittitle>Elliotts, [G.], regarding publication of 
                            <emph render="italic">Anatomy</emph></unittitle>
                        <container id="cid4331" type="Box" label="Text">3</container>
                        <container parent="cid4331" type="Folder">34</container>
                        <unitdate>1849 January 9</unitdate>
                        <physdesc id="ref476" label="General Physical Description note">
                            <extent>[7390 F 30]</extent></physdesc>
                    </did>
                </c>
                <c id="ref477" level="file">
                    <did>
                        <unittitle>Schleiden, W., regarding Indian graves, etc.</unittitle>
                        <container id="cid4330" type="Box" label="Text">3</container>
                        <container parent="cid4330" type="Folder">35</container>
                        <unitdate>1849 January 13, 1849 June 4</unitdate>
                        <physdesc id="ref478" label="General Physical Description note">
                            <extent>[7390 F 47]</extent></physdesc>
                    </did>
                </c>
                <c id="ref479" level="file">
                    <did>
                        <unittitle>Handy, W. R., letter of thanks regarding Morton's 
                            <emph render="italic">Illustrated System of Human Anatomy</emph></unittitle>
                        <container id="cid4329" type="Box" label="Text">3</container>
                        <container parent="cid4329" type="Folder">36</container>
                        <unitdate>1849 January 20</unitdate>
                        <physdesc id="ref480" label="General Physical Description note">
                            <extent>[7390 F 31]</extent></physdesc>
                    </did>
                </c>
                <c id="ref481" level="file">
                    <did>
                        <unittitle>Hulse, Isaac, regarding a skull shipped from Pensacola</unittitle>
                        <container id="cid4328" type="Box" label="Text">3</container>
                        <container parent="cid4328" type="Folder">37</container>
                        <unitdate>1849 January 20, 1849 March 21</unitdate>
                        <physdesc id="ref482" label="General Physical Description note">
                            <extent>[7390 F 40]</extent></physdesc>
                    </did>
                </c>
                <c id="ref483" level="file">
                    <did>
                        <unittitle>Lawson, L. M., thanking Morton for his book on anatomy</unittitle>
                        <container id="cid4327" type="Box" label="Text">3</container>
                        <container parent="cid4327" type="Folder">38</container>
                        <unitdate>1849 January 22</unitdate>
                        <physdesc id="ref484" label="General Physical Description note">
                            <extent>[7390 F 32]</extent></physdesc>
                    </did>
                </c>
                <c id="ref485" level="file">
                    <did>
                        <unittitle>Report from Military Academy</unittitle>
                        <container id="cid4326" type="Box" label="Text">3</container>
                        <container parent="cid4326" type="Folder">39</container>
                        <physdesc>
                            <extent>[7390 F 84]</extent>
                        </physdesc>
                        <unitdate>1849 January 24, 1849 March 17, 1849 May 21, 1849 July 6, 1849 November 12, 1849 December 20</unitdate>
                    </did>
                </c>
                <c id="ref486" level="file">
                    <did>
                        <unittitle>Roby, Joseph, regarding his book on anatomy</unittitle>
                        <container id="cid4325" type="Box" label="Text">3</container>
                        <container parent="cid4325" type="Folder">40</container>
                        <unitdate>1849 January 28</unitdate>
                        <physdesc id="ref487" label="General Physical Description note">
                            <extent>[7390 F 33]</extent></physdesc>
                    </did>
                </c>
                <c id="ref812" level="file">
                    <did>
                        <unittitle>Newton, George M.</unittitle>
                        <container id="cid7108" type="Box" label="Text">3</container>
                        <container parent="cid7108" type="Folder">41</container>
                        <unitdate>1849 February 5</unitdate>
                        <physdesc id="ref813" label="General Physical Description note">
                            <extent>[7390 F 34]</extent></physdesc>
                    </did>
                </c>
                <c id="ref488" level="file">
                    <did>
                        <unittitle>Bartlett, John R., regarding Etruscans, Indian tribes, etc.</unittitle>
                        <container id="cid4324" type="Box" label="Text">3</container>
                        <container parent="cid4324" type="Folder">42</container>
                        <unitdate>1849 February 8, 1849 December 21</unitdate>
                        <physdesc id="ref489" label="General Physical Description note">
                            <extent>[7390 F 85]</extent></physdesc>
                    </did>
                </c>
                <c id="ref490" level="file">
                    <did>
                        <unittitle>Squier, Ephraim George, regarding his appointment in Guatemala</unittitle>
                        <container id="cid4323" type="Box" label="Text">3</container>
                        <container parent="cid4323" type="Folder">43</container>
                        <unitdate>1849 February 8, 1849 March 20, 1849 October 12</unitdate>
                        <physdesc id="ref491" label="General Physical Description note">
                            <extent>[7390 F 72]</extent></physdesc>
                    </did>
                </c>
                <c id="ref492" level="file">
                    <did>
                        <unittitle>Moss, Theodore F., regarding his visit</unittitle>
                        <container id="cid4322" type="Box" label="Text">3</container>
                        <container parent="cid4322" type="Folder">44</container>
                        <unitdate>1849 February 14</unitdate>
                        <physdesc id="ref493" label="General Physical Description note">
                            <extent>[7390 F 35]</extent></physdesc>
                    </did>
                </c>
                <c id="ref494" level="file">
                    <did>
                        <unittitle>Maclure, A., regarding dividends on stocks</unittitle>
                        <container id="cid4321" type="Box" label="Text">3</container>
                        <container parent="cid4321" type="Folder">45</container>
                        <unitdate>1849 February 22</unitdate>
                        <physdesc id="ref495" label="General Physical Description note">
                            <extent>[7390 F 36]</extent></physdesc>
                    </did>
                </c>
                <c id="ref496" level="file">
                    <did>
                        <unittitle>Flanders, J. J., inquiring regarding 
                            <emph render="italic">Crania Americana</emph></unittitle>
                        <container id="cid4320" type="Box" label="Text">3</container>
                        <container parent="cid4320" type="Folder">46</container>
                        <unitdate>1849 March 10</unitdate>
                        <physdesc id="ref497" label="General Physical Description note">
                            <extent>[7390 F 39]</extent></physdesc>
                    </did>
                </c>
                <c id="ref498" level="file">
                    <did>
                        <unittitle>Fenner, E. D., thanking Morton for his work on anatomy and discussing physicians, etc.</unittitle>
                        <container id="cid4319" type="Box" label="Text">3</container>
                        <container parent="cid4319" type="Folder">47</container>
                        <unitdate>1849 March 24, 1849 September 15</unitdate>
                        <physdesc id="ref499" label="General Physical Description note">
                            <extent>[7390 F 61]</extent></physdesc>
                    </did>
                </c>
                <c id="ref500" level="file">
                    <did>
                        <unittitle>Wilson, E. E., letter stating that "Mr. Reid, Dickeson and myself have passed the examination"</unittitle>
                        <container id="cid4318" type="Box" label="Text">3</container>
                        <container parent="cid4318" type="Folder">48</container>
                        <unitdate>1849 April 1</unitdate>
                        <physdesc id="ref501" label="General Physical Description note">
                            <extent>[7390 F 61]</extent></physdesc>
                    </did>
                </c>
                <c id="ref502" level="file">
                    <did>
                        <unittitle>Gambel, William, regarding California Gold Rush and journey west</unittitle>
                        <container id="cid4317" type="Box" label="Text">3</container>
                        <container parent="cid4317" type="Folder">49</container>
                        <unitdate>1849 April 15</unitdate>
                        <physdesc id="ref503" label="General Physical Description note">
                            <extent>[7390 F 42]</extent></physdesc>
                    </did>
                </c>
                <c id="ref504" level="file">
                    <did>
                        <unittitle>Stansbury, Howard, regarding traveling west with Dr. Watson</unittitle>
                        <container id="cid4316" type="Box" label="Text">3</container>
                        <container parent="cid4316" type="Folder">50</container>
                        <unitdate>1849 April 26</unitdate>
                        <physdesc id="ref505" label="General Physical Description note">
                            <extent>[7390 F 43]</extent></physdesc>
                    </did>
                </c>
                <c id="ref506" level="file">
                    <did>
                        <unittitle>Turner, W. M., regarding books on Etruscans</unittitle>
                        <container id="cid4315" type="Box" label="Text">3</container>
                        <container parent="cid4315" type="Folder">51</container>
                        <unitdate>1849 April 28</unitdate>
                        <physdesc id="ref507" label="General Physical Description note">
                            <extent>[7390 F 44]</extent></physdesc>
                    </did>
                </c>
                <c id="ref508" level="file">
                    <did>
                        <unittitle>Gliddon, George R., regarding his panorama</unittitle>
                        <container id="cid4314" type="Box" label="Text">3</container>
                        <container parent="cid4314" type="Folder">52</container>
                        <unitdate>1849 May 1-1849 December 16</unitdate>
                        <physdesc id="ref509" label="General Physical Description note">
                            <extent>[7390 F 82]</extent></physdesc>
                    </did>
                </c>
                <c id="ref510" level="file">
                    <did>
                        <unittitle>Warren, John C., acknowledging receipt of skulls</unittitle>
                        <container id="cid4313" type="Box" label="Text">3</container>
                        <container parent="cid4313" type="Folder">53</container>
                        <unitdate>1849 May 7, 1849 June 27</unitdate>
                        <physdesc id="ref511" label="General Physical Description note">
                            <extent>[7390 F 52]</extent></physdesc>
                    </did>
                </c>
                <c id="ref512" level="file">
                    <did>
                        <unittitle>d'Avennes, E. Prisse, regarding a box of crania from Egypt</unittitle>
                        <container id="cid4312" type="Box" label="Text">3</container>
                        <container parent="cid4312" type="Folder">54</container>
                        <unitdate>1849 May 8</unitdate>
                        <physdesc id="ref513" label="General Physical Description note">
                            <extent>[7390 F 37]</extent></physdesc>
                    </did>
                </c>
                <c id="ref514" level="file">
                    <did>
                        <unittitle>Hodgson, William B., regarding W.M. Turner</unittitle>
                        <container id="cid4311" type="Box" label="Text">3</container>
                        <container parent="cid4311" type="Folder">55</container>
                        <unitdate>1849 May 31</unitdate>
                        <physdesc id="ref515" label="General Physical Description note">
                            <extent>[7390 F 45]</extent></physdesc>
                    </did>
                </c>
                <c id="ref516" level="file">
                    <did>
                        <unittitle>Davis, Edwin Hamilton, regarding Indian remains, calculous disease, etc.</unittitle>
                        <container id="cid4310" type="Box" label="Text">3</container>
                        <container parent="cid4310" type="Folder">56</container>
                        <unitdate>1849 June 3</unitdate>
                        <physdesc id="ref517" label="General Physical Description note">
                            <extent>[7390 F 46]</extent></physdesc>
                    </did>
                </c>
                <c id="ref518" level="file">
                    <did>
                        <unittitle>Peaslee, E. R., regarding Morton's 
                            <emph render="italic">Anatomy</emph></unittitle>
                        <container id="cid4309" type="Box" label="Text">3</container>
                        <container parent="cid4309" type="Folder">57</container>
                        <unitdate>1849 June 14</unitdate>
                        <physdesc id="ref519" label="General Physical Description note">
                            <extent>[7390 F 48]</extent></physdesc>
                    </did>
                </c>
                <c id="ref520" level="file">
                    <did>
                        <unittitle>Dowler, B., regarding Morton's health</unittitle>
                        <container id="cid4308" type="Box" label="Text">3</container>
                        <container parent="cid4308" type="Folder">58</container>
                        <unitdate>1849 June 15</unitdate>
                        <physdesc id="ref521" label="General Physical Description note">
                            <extent>[7390 F 49]</extent></physdesc>
                    </did>
                </c>
                <c id="ref522" level="file">
                    <did>
                        <unittitle>Latham, R. F., regarding his monograph on hippopotamus</unittitle>
                        <container id="cid4307" type="Box" label="Text">3</container>
                        <container parent="cid4307" type="Folder">59</container>
                        <unitdate>1849 June 18</unitdate>
                        <physdesc id="ref523" label="General Physical Description note">
                            <extent>[7390 F 50]</extent></physdesc>
                    </did>
                </c>
                <c id="ref524" level="file">
                    <did>
                        <unittitle>Cohen, Joshua J., inquiring regarding Gliddon</unittitle>
                        <container id="cid4306" type="Box" label="Text">3</container>
                        <container parent="cid4306" type="Folder">60</container>
                        <unitdate>1849 June 24</unitdate>
                        <physdesc id="ref525" label="General Physical Description note">
                            <extent>[7390 F 51]</extent></physdesc>
                    </did>
                </c>
                <c id="ref526" level="file">
                    <did>
                        <unittitle>Holmes, R. S.</unittitle>
                        <container id="cid4305" type="Box" label="Text">3</container>
                        <container parent="cid4305" type="Folder">61</container>
                        <physdesc>
                            <extent>[7390 F 67]</extent>
                        </physdesc>
                        <unitdate>1849 July 3, 1849 October 5</unitdate>
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                </c>
                <c id="ref528" level="file">
                    <did>
                        <unittitle>Mantell, R. M., postponing his arrival</unittitle>
                        <container id="cid4304" type="Box" label="Text">3</container>
                        <container parent="cid4304" type="Folder">62</container>
                        <unitdate>1849 July 3</unitdate>
                        <physdesc id="ref529" label="General Physical Description note">
                            <extent>[7390 F 53]</extent></physdesc>
                    </did>
                </c>
                <c id="ref530" level="file">
                    <did>
                        <unittitle>Silliman, Benjamin Jr., letters of thanks</unittitle>
                        <container id="cid4303" type="Box" label="Text">3</container>
                        <container parent="cid4303" type="Folder">63</container>
                        <unitdate>1849 July 5, 1849 August 29, 1849 September 28</unitdate>
                        <physdesc id="ref531" label="General Physical Description note">
                            <extent>[7390 F 59]</extent></physdesc>
                    </did>
                </c>
                <c id="ref532" level="file">
                    <did>
                        <unittitle>Owen, Robert Dale, regarding Alex Maclure's property</unittitle>
                        <container id="cid4302" type="Box" label="Text">3</container>
                        <container parent="cid4302" type="Folder">64</container>
                        <unitdate>1849 July 7</unitdate>
                        <physdesc id="ref533" label="General Physical Description note">
                            <extent>[7390 F 54]</extent></physdesc>
                    </did>
                </c>
                <c id="ref534" level="file">
                    <did>
                        <unittitle>Michel, H. M., letters of thanks</unittitle>
                        <container id="cid4301" type="Box" label="Text">3</container>
                        <container parent="cid4301" type="Folder">65</container>
                        <unitdate>1849 July 14, 1849 September 10</unitdate>
                        <physdesc id="ref535" label="General Physical Description note">
                            <extent>[7390 F 59]</extent></physdesc>
                    </did>
                </c>
                <c id="ref536" level="file">
                    <did>
                        <unittitle>King, M., letter of thanks</unittitle>
                        <container id="cid4300" type="Box" label="Text">3</container>
                        <container parent="cid4300" type="Folder">66</container>
                        <unitdate>1849 July 16</unitdate>
                        <physdesc id="ref537" label="General Physical Description note">
                            <extent>[7390 F 55]</extent></physdesc>
                    </did>
                </c>
                <c id="ref538" level="file">
                    <did>
                        <unittitle>Haven, S. F., letter of thanks from the American Antiquarian Society</unittitle>
                        <container id="cid4299" type="Box" label="Text">3</container>
                        <container parent="cid4299" type="Folder">67</container>
                        <unitdate>1849 July 31</unitdate>
                        <physdesc id="ref539" label="General Physical Description note">
                            <extent>[7390 F 56]</extent></physdesc>
                    </did>
                </c>
                <c id="ref540" level="file">
                    <did>
                        <unittitle>Retzius, Anders, letter accompanying skulls</unittitle>
                        <container id="cid4298" type="Box" label="Text">3</container>
                        <container parent="cid4298" type="Folder">68</container>
                        <unitdate>1849 August 2, 1849 December 16</unitdate>
                        <physdesc id="ref541" label="General Physical Description note">
                            <extent>[7390 F 83]</extent></physdesc>
                    </did>
                </c>
                <c id="ref542" level="file">
                    <did>
                        <unittitle>Brown, P. A., describing a hair</unittitle>
                        <container id="cid4297" type="Box" label="Text">3</container>
                        <container parent="cid4297" type="Folder">69</container>
                        <unitdate>1849 August 4</unitdate>
                        <physdesc id="ref543" label="General Physical Description note">
                            <extent>[7390 F 57]</extent></physdesc>
                    </did>
                </c>
                <c id="ref544" level="file">
                    <did>
                        <unittitle>Nott, Josiah C., regarding his "History of Man"</unittitle>
                        <container id="cid4296" type="Box" label="Text">3</container>
                        <container parent="cid4296" type="Folder">70</container>
                        <unitdate>1849 September 1, 1849 September 27, 1849 October 21</unitdate>
                        <physdesc id="ref545" label="General Physical Description note">
                            <extent>[7390 F 74]</extent></physdesc>
                    </did>
                </c>
                <c id="ref546" level="file">
                    <did>
                        <unittitle>Barratt, John P., regarding information relative to the distribution of fauna and flora</unittitle>
                        <container id="cid4295" type="Box" label="Text">3</container>
                        <container parent="cid4295" type="Folder">71</container>
                        <unitdate>1849 September 24</unitdate>
                        <physdesc id="ref547" label="General Physical Description note">
                            <extent>[7390 F 62]</extent></physdesc>
                    </did>
                </c>
                <c id="ref548" level="file">
                    <did>
                        <unittitle>Porcher, Francis Peyre, regarding Indian mounds</unittitle>
                        <container id="cid4294" type="Box" label="Text">3</container>
                        <container parent="cid4294" type="Folder">72</container>
                        <unitdate>1849 September 29</unitdate>
                        <physdesc id="ref549" label="General Physical Description note">
                            <extent>[7390 F 64]</extent></physdesc>
                    </did>
                </c>
                <c id="ref550" level="file">
                    <did>
                        <unittitle>Walker, James M., regarding his deafness</unittitle>
                        <container id="cid4293" type="Box" label="Text">3</container>
                        <container parent="cid4293" type="Folder">73</container>
                        <unitdate>1849 October 3</unitdate>
                        <physdesc id="ref551" label="General Physical Description note">
                            <extent>[7390 F 65]</extent></physdesc>
                    </did>
                </c>
                <c id="ref552" level="file">
                    <did>
                        <unittitle>Combe, George, letter of thanks</unittitle>
                        <container id="cid4292" type="Box" label="Text">3</container>
                        <container parent="cid4292" type="Folder">74</container>
                        <unitdate>1849 October 5</unitdate>
                        <physdesc id="ref553" label="General Physical Description note">
                            <extent>[7390 F 66]</extent></physdesc>
                    </did>
                </c>
                <c id="ref554" level="file">
                    <did>
                        <unittitle>Parrish, Joseph, regarding advertising 
                            <emph render="italic">Illustrated Anatomy</emph> in 
                            <emph render="italic">New Jersey Medical Reporter</emph></unittitle>
                        <container id="cid4291" type="Box" label="Text">3</container>
                        <container parent="cid4291" type="Folder">75</container>
                        <unitdate>1849 October 10</unitdate>
                        <physdesc id="ref555" label="General Physical Description note">
                            <extent>[7390 F 68]</extent></physdesc>
                    </did>
                </c>
                <c id="ref556" level="file">
                    <did>
                        <unittitle>[Sunler?], John</unittitle>
                        <container id="cid4290" type="Box" label="Text">3</container>
                        <container parent="cid4290" type="Folder">76</container>
                        <physdesc>
                            <extent>[7390 F 69]</extent>
                        </physdesc>
                        <unitdate>1849 October 10</unitdate>
                    </did>
                </c>
                <c id="ref557" level="file">
                    <did>
                        <unittitle>Wyman, J., requesting a catalogue</unittitle>
                        <container id="cid4289" type="Box" label="Text">3</container>
                        <container parent="cid4289" type="Folder">77</container>
                        <unitdate>1849 October 10</unitdate>
                        <physdesc id="ref558" label="General Physical Description note">
                            <extent>[7390 F 70]</extent></physdesc>
                    </did>
                </c>
                <c id="ref559" level="file">
                    <did>
                        <unittitle>Macleary, W. S., regarding fossils and offering to exchange seeds, plants, etc.</unittitle>
                        <container id="cid4288" type="Box" label="Text">3</container>
                        <container parent="cid4288" type="Folder">78</container>
                        <unitdate>1849 October 12</unitdate>
                        <physdesc id="ref560" label="General Physical Description note">
                            <extent>[7390 F 72]</extent></physdesc>
                    </did>
                </c>
                <c id="ref561" level="file">
                    <did>
                        <unittitle>Bachman, J., regarding hybridity</unittitle>
                        <container id="cid4287" type="Box" label="Text">3</container>
                        <container parent="cid4287" type="Folder">79</container>
                        <unitdate>1849 October 15</unitdate>
                        <physdesc id="ref562" label="General Physical Description note">
                            <extent>[7390 F 73]</extent></physdesc>
                    </did>
                </c>
                <c id="ref563" level="file">
                    <did>
                        <unittitle>Foster, W. A., regarding a shipment of birds, etc.</unittitle>
                        <container id="cid4286" type="Box" label="Text">3</container>
                        <container parent="cid4286" type="Folder">80</container>
                        <unitdate>1849 November 13</unitdate>
                        <physdesc id="ref564" label="General Physical Description note">
                            <extent>[7390 F 75]</extent></physdesc>
                    </did>
                </c>
                <c id="ref565" level="file">
                    <did>
                        <unittitle>Oakford, Samuel J., regarding Indian remains near the River La Chira</unittitle>
                        <container id="cid4285" type="Box" label="Text">3</container>
                        <container parent="cid4285" type="Folder">81</container>
                        <unitdate>1849 November 15</unitdate>
                        <physdesc id="ref566" label="General Physical Description note">
                            <extent>[7390 F 76]</extent></physdesc>
                    </did>
                </c>
                <c id="ref567" level="file">
                    <did>
                        <unittitle>Dunglison, Robley, letter of thanks</unittitle>
                        <container id="cid4284" type="Box" label="Text">3</container>
                        <container parent="cid4284" type="Folder">82</container>
                        <unitdate>1849 November 17</unitdate>
                        <physdesc id="ref568" label="General Physical Description note">
                            <extent>[7390 F 77]</extent></physdesc>
                    </did>
                </c>
                <c id="ref569" level="file">
                    <did>
                        <unittitle>Morton, James St. Claire, regarding riding and drawing lessons</unittitle>
                        <container id="cid4283" type="Box" label="Text">3</container>
                        <container parent="cid4283" type="Folder">83</container>
                        <unitdate>1849 November 17</unitdate>
                        <physdesc id="ref570" label="General Physical Description note">
                            <extent>[7390 F 78]</extent></physdesc>
                    </did>
                </c>
                <c id="ref571" level="file">
                    <did>
                        <unittitle>Holmes, O[liver] W[endell] [Sr.], inquiring about Pickering's book</unittitle>
                        <container id="cid4282" type="Box" label="Text">3</container>
                        <container parent="cid4282" type="Folder">84</container>
                        <unitdate>1849 November 27</unitdate>
                        <physdesc id="ref572" label="General Physical Description note">
                            <extent>[7390 F 79]</extent></physdesc>
                    </did>
                </c>
                <c id="ref573" level="file">
                    <did>
                        <unittitle>Pickering, Charles, regarding his book and regarding Egyptian and Hindoo crania</unittitle>
                        <container id="cid4281" type="Box" label="Text">3</container>
                        <container parent="cid4281" type="Folder">85</container>
                        <unitdate>1849 December 3, 1849 December 3</unitdate>
                        <physdesc id="ref574" label="General Physical Description note">
                            <extent>[7390 F 87]</extent></physdesc>
                    </did>
                </c>
                <c id="ref575" level="file">
                    <did>
                        <unittitle>Smith, J. Aug., regarding no idea of future life in the Mosaic books</unittitle>
                        <container id="cid4280" type="Box" label="Text">3</container>
                        <container parent="cid4280" type="Folder">86</container>
                        <unitdate>1849 December 12</unitdate>
                        <physdesc id="ref576" label="General Physical Description note">
                            <extent>[7390 F 80]</extent></physdesc>
                    </did>
                </c>
                <c id="ref577" level="file">
                    <did>
                        <unittitle>Alexander, R. C.</unittitle>
                        <container id="cid4279" type="Box" label="Text">3</container>
                        <container parent="cid4279" type="Folder">87</container>
                        <physdesc>
                            <extent>[7390 F 81]</extent>
                        </physdesc>
                        <unitdate>1849 December 15</unitdate>
                    </did>
                </c>
                <c id="ref578" level="file">
                    <did>
                        <unittitle>Brainard, D., regarding Miss Blakie's death</unittitle>
                        <container id="cid4278" type="Box" label="Text">3</container>
                        <container parent="cid4278" type="Folder">88</container>
                        <unitdate>1849 December 25</unitdate>
                        <physdesc id="ref579" label="General Physical Description note">
                            <extent>[7390 F 86]</extent></physdesc>
                    </did>
                </c>
                <c id="ref580" level="file">
                    <did>
                        <unittitle>Gray, Asa, regarding Professor Harvey</unittitle>
                        <container id="cid4277" type="Box" label="Text">4</container>
                        <container parent="cid4277" type="Folder">1</container>
                        <unitdate>1850 January 1</unitdate>
                        <physdesc id="ref581" label="General Physical Description note">
                            <extent>[7391 F 1]</extent></physdesc>
                    </did>
                </c>
                <c id="ref582" level="file">
                    <did>
                        <unittitle>Nott, Josiah C., regarding his books and reviews</unittitle>
                        <container id="cid4276" type="Box" label="Text">4</container>
                        <container parent="cid4276" type="Folder">2</container>
                        <unitdate>1850 January 16 - 1850 August 26</unitdate>
                        <physdesc id="ref583" label="General Physical Description note">
                            <extent>[7391 F 29]</extent></physdesc>
                    </did>
                </c>
                <c id="ref584" level="file">
                    <did>
                        <unittitle>Bailey, J. W., regarding the natural history of the Beaufort District</unittitle>
                        <container id="cid4275" type="Box" label="Text">4</container>
                        <container parent="cid4275" type="Folder">3</container>
                        <unitdate>1850 January 20</unitdate>
                        <physdesc id="ref585" label="General Physical Description note">
                            <extent>[7391 F 2]</extent></physdesc>
                    </did>
                </c>
                <c id="ref586" level="file">
                    <did>
                        <unittitle>Gibbes, Robert W., regarding scientists</unittitle>
                        <container id="cid4274" type="Box" label="Text">4</container>
                        <container parent="cid4274" type="Folder">4</container>
                        <unitdate>1850 January 21 - 1850 June 17</unitdate>
                        <physdesc id="ref587" label="General Physical Description note">
                            <extent>[7391 F 25]</extent></physdesc>
                    </did>
                </c>
                <c id="ref588" level="file">
                    <did>
                        <unittitle>Report from Military Academy</unittitle>
                        <container id="cid4273" type="Box" label="Text">4</container>
                        <container parent="cid4273" type="Folder">5</container>
                        <unitdate>1850 January 22 - 1850 October 14</unitdate>
                        <physdesc id="ref589" label="General Physical Description note">
                            <extent>[7391 F 31]</extent></physdesc>
                    </did>
                </c>
                <c id="ref590" level="file">
                    <did>
                        <unittitle>Gliddon, George R., regarding his panorama and Egyptology</unittitle>
                        <container id="cid4272" type="Box" label="Text">4</container>
                        <container parent="cid4272" type="Folder">6</container>
                        <unitdate>1850 January 24, 1850 January 28, 1850 January 31</unitdate>
                        <physdesc id="ref591" label="General Physical Description note">
                            <extent>[7391 F 5]</extent></physdesc>
                    </did>
                </c>
                <c id="ref592" level="file">
                    <did>
                        <unittitle>Dwyer, J., regarding Professor Consoni</unittitle>
                        <container id="cid4271" type="Box" label="Text">4</container>
                        <container parent="cid4271" type="Folder">7</container>
                        <unitdate>1850 January 28</unitdate>
                        <physdesc id="ref593" label="General Physical Description note">
                            <extent>[7391 F 3]</extent></physdesc>
                    </did>
                </c>
                <c id="ref594" level="file">
                    <did>
                        <unittitle>Culbertson, S. D., introducing Alex and Thaddeus Culbertson</unittitle>
                        <container id="cid4270" type="Box" label="Text">4</container>
                        <container parent="cid4270" type="Folder">8</container>
                        <unitdate>1850 January 30</unitdate>
                        <physdesc id="ref595" label="General Physical Description note">
                            <extent>[7391 F 3]</extent></physdesc>
                    </did>
                </c>
                <c id="ref596" level="file">
                    <did>
                        <unittitle>Gray, John Edward, letter of thanks</unittitle>
                        <container id="cid4269" type="Box" label="Text">4</container>
                        <container parent="cid4269" type="Folder">9</container>
                        <unitdate>1850 February 14</unitdate>
                        <physdesc id="ref597" label="General Physical Description note">
                            <extent>[7391 F 6]</extent></physdesc>
                    </did>
                </c>
                <c id="ref598" level="file">
                    <did>
                        <unittitle>Bartlett, John R., regarding his appointment to the United States Exploring Expedition</unittitle>
                        <container id="cid4268" type="Box" label="Text">4</container>
                        <container parent="cid4268" type="Folder">10</container>
                        <unitdate>1850 February 23</unitdate>
                        <physdesc id="ref599" label="General Physical Description note">
                            <extent>[7391 F 70]</extent></physdesc>
                    </did>
                </c>
                <c id="ref600" level="file">
                    <did>
                        <unittitle>Baird, Spencer Fullerton, regarding fossils</unittitle>
                        <container id="cid4267" type="Box" label="Text">4</container>
                        <container parent="cid4267" type="Folder">11</container>
                        <unitdate>1850 March 1</unitdate>
                        <physdesc id="ref601" label="General Physical Description note">
                            <extent>[7391 F 7]</extent></physdesc>
                    </did>
                </c>
                <c id="ref602" level="file">
                    <did>
                        <unittitle>Peaslee, E. R., offering material for a second edition</unittitle>
                        <container id="cid4266" type="Box" label="Text">4</container>
                        <container parent="cid4266" type="Folder">12</container>
                        <unitdate>1850 March 7</unitdate>
                        <physdesc id="ref603" label="General Physical Description note">
                            <extent>[7391 F 8]</extent></physdesc>
                    </did>
                </c>
                <c id="ref604" level="file">
                    <did>
                        <unittitle>Michel, H. M., introducing Dr. F. M. Littere</unittitle>
                        <container id="cid4265" type="Box" label="Text">4</container>
                        <container parent="cid4265" type="Folder">13</container>
                        <unitdate>1850 March 11</unitdate>
                        <physdesc id="ref605" label="General Physical Description note">
                            <extent>[7391 F 9]</extent></physdesc>
                    </did>
                </c>
                <c id="ref606" level="file">
                    <did>
                        <unittitle>Lapham, J. A., regarding Indian mounds, hybridity of dogs, and skulls of animals</unittitle>
                        <container id="cid4264" type="Box" label="Text">4</container>
                        <container parent="cid4264" type="Folder">14</container>
                        <unitdate>1850 March 13, 1850 November 19</unitdate>
                        <physdesc id="ref607" label="General Physical Description note">
                            <extent>[7391 F 35]</extent></physdesc>
                    </did>
                </c>
                <c id="ref608" level="file">
                    <did>
                        <unittitle>Browne, P. A., regarding works published by the Smithsonian Institution</unittitle>
                        <container id="cid4263" type="Box" label="Text">4</container>
                        <container parent="cid4263" type="Folder">15</container>
                        <unitdate>1850 March 14</unitdate>
                        <physdesc id="ref609" label="General Physical Description note">
                            <extent>[7391 F 10]</extent></physdesc>
                    </did>
                </c>
                <c id="ref610" level="file">
                    <did>
                        <unittitle>Cain, D. J. and F. P. Porcher, regarding the publication of his replies to Dr. Bachman in the 
                            <emph render="italic">Charleston Medical Journal and Review</emph></unittitle>
                        <container id="cid4262" type="Box" label="Text">4</container>
                        <container parent="cid4262" type="Folder">16</container>
                        <unitdate>1850 March 25 - 1850 December 28</unitdate>
                        <physdesc id="ref611" label="General Physical Description note">
                            <extent>[7391 F 46]</extent></physdesc>
                    </did>
                </c>
                <c id="ref612" level="file">
                    <did>
                        <unittitle>Combe, George, regarding Sir William Hamilton</unittitle>
                        <container id="cid4261" type="Box" label="Text">4</container>
                        <container parent="cid4261" type="Folder">17</container>
                        <unitdate>1850 April 5</unitdate>
                        <physdesc id="ref613" label="General Physical Description note">
                            <extent>[7391 F 11]</extent></physdesc>
                    </did>
                </c>
                <c id="ref614" level="file">
                    <did>
                        <unittitle>[Illegible], Stephen, A., regarding skeletons of hippopotamus, etc.</unittitle>
                        <container id="cid4260" type="Box" label="Text">4</container>
                        <container parent="cid4260" type="Folder">18</container>
                        <unitdate>1850 April 11</unitdate>
                        <physdesc id="ref615" label="General Physical Description note">
                            <extent>[7391 F 12]</extent></physdesc>
                    </did>
                </c>
                <c id="ref616" level="file">
                    <did>
                        <unittitle>Smith, S. Hanbury, regarding his application for a position at the University of New York</unittitle>
                        <container id="cid4259" type="Box" label="Text">4</container>
                        <container parent="cid4259" type="Folder">19</container>
                        <unitdate>1850 April 18</unitdate>
                        <physdesc id="ref617" label="General Physical Description note">
                            <extent>[7391 F 13]</extent></physdesc>
                    </did>
                </c>
                <c id="ref618" level="file">
                    <did>
                        <unittitle>Say, Mrs. Lucy W., regarding Mr. Maclure's death, etc.</unittitle>
                        <container id="cid4258" type="Box" label="Text">4</container>
                        <container parent="cid4258" type="Folder">20</container>
                        <unitdate>1850 April 25, 1850 April 29</unitdate>
                        <physdesc id="ref619" label="General Physical Description note">
                            <extent>[7391 F 14]</extent></physdesc>
                    </did>
                </c>
                <c id="ref620" level="file">
                    <did>
                        <unittitle>Mittag, [J.] H. S., regarding crania</unittitle>
                        <container id="cid4257" type="Box" label="Text">4</container>
                        <container parent="cid4257" type="Folder">21</container>
                        <unitdate>1850 May</unitdate>
                        <physdesc id="ref621" label="General Physical Description note">
                            <extent>[7391 F 15]</extent></physdesc>
                    </did>
                </c>
                <c id="ref622" level="file">
                    <did>
                        <unittitle>O'Brien, John, regarding the Fernsler estate</unittitle>
                        <container id="cid4256" type="Box" label="Text">4</container>
                        <container parent="cid4256" type="Folder">22</container>
                        <unitdate>1850 May 2</unitdate>
                        <physdesc id="ref623" label="General Physical Description note">
                            <extent>[7391 F 16]</extent></physdesc>
                    </did>
                </c>
                <c id="ref624" level="file">
                    <did>
                        <unittitle>Cowper, G., requesting the proceedings of the Academy of Natural Sciences of Philadelphia</unittitle>
                        <container id="cid4255" type="Box" label="Text">4</container>
                        <container parent="cid4255" type="Folder">23</container>
                        <unitdate>1850 May 3</unitdate>
                        <physdesc id="ref625" label="General Physical Description note">
                            <extent>[7391 F 17]</extent></physdesc>
                    </did>
                </c>
                <c id="ref626" level="file">
                    <did>
                        <unittitle>Holmes, R. S., regarding San Martin, cholera, etc.</unittitle>
                        <container id="cid4254" type="Box" label="Text">4</container>
                        <container parent="cid4254" type="Folder">24</container>
                        <unitdate>1850 May 8</unitdate>
                        <physdesc id="ref627" label="General Physical Description note">
                            <extent>[7391 F 18]</extent></physdesc>
                    </did>
                </c>
                <c id="ref628" level="file">
                    <did>
                        <unittitle>Strain, J. G., regarding his papers read before the Ethnological Society, Bartlett's appointment, etc.</unittitle>
                        <container id="cid4253" type="Box" label="Text">4</container>
                        <container parent="cid4253" type="Folder">25</container>
                        <unitdate>1850 May 13</unitdate>
                        <physdesc id="ref629" label="General Physical Description note">
                            <extent>[7391 F 19]</extent></physdesc>
                    </did>
                </c>
                <c id="ref630" level="file">
                    <did>
                        <unittitle>Dunglison, Robley, inquiring about an orangutan</unittitle>
                        <container id="cid4252" type="Box" label="Text">4</container>
                        <container parent="cid4252" type="Folder">26</container>
                        <unitdate>1850 May 22</unitdate>
                        <physdesc id="ref631" label="General Physical Description note">
                            <extent>[7391 F 20]</extent></physdesc>
                    </did>
                </c>
                <c id="ref632" level="file">
                    <did>
                        <unittitle>Mantell, G. A, letter accompanying fossils and mention Professor Owen</unittitle>
                        <container id="cid4251" type="Box" label="Text">4</container>
                        <container parent="cid4251" type="Folder">27</container>
                        <unitdate>1850 May 31, undated</unitdate>
                        <physdesc id="ref633" label="General Physical Description note">
                            <extent>[7391 F 21]</extent></physdesc>
                    </did>
                </c>
                <c id="ref634" level="file">
                    <did>
                        <unittitle>Haldeman, S. S., regarding applying for a position at the University of Pennsylvania</unittitle>
                        <container id="cid4250" type="Box" label="Text">4</container>
                        <container parent="cid4250" type="Folder">28</container>
                        <unitdate>1850 May 31</unitdate>
                        <physdesc id="ref635" label="General Physical Description note">
                            <extent>[7391 F 22]</extent></physdesc>
                    </did>
                </c>
                <c id="ref636" level="file">
                    <did>
                        <unittitle>McCulloh, J. H., regarding part of a skull found by Dr. De Hass</unittitle>
                        <container id="cid4249" type="Box" label="Text">4</container>
                        <container parent="cid4249" type="Folder">29</container>
                        <unitdate>1850 May 31</unitdate>
                        <physdesc id="ref637" label="General Physical Description note">
                            <extent>[7391 F 23]</extent></physdesc>
                    </did>
                </c>
                <c id="ref638" level="file">
                    <did>
                        <unittitle>Fory, John C., regarding his business and inquiring about the Moravian school at Bethlehem</unittitle>
                        <container id="cid4248" type="Box" label="Text">4</container>
                        <container parent="cid4248" type="Folder">30</container>
                        <unitdate>1850 June 4</unitdate>
                        <physdesc id="ref639" label="General Physical Description note">
                            <extent>[7391 F 24]</extent></physdesc>
                    </did>
                </c>
                <c id="ref640" level="file">
                    <did>
                        <unittitle>Porcher, Francis Peyre, regarding Dr. Bachman's controversy</unittitle>
                        <container id="cid4247" type="Box" label="Text">4</container>
                        <container parent="cid4247" type="Folder">31</container>
                        <unitdate>1850 June 24</unitdate>
                        <physdesc id="ref641" label="General Physical Description note">
                            <extent>[7391 F 26]</extent></physdesc>
                    </did>
                </c>
                <c id="ref642" level="file">
                    <did>
                        <unittitle>Owen, Richard, requesting information about books on paleontology</unittitle>
                        <container id="cid4246" type="Box" label="Text">4</container>
                        <container parent="cid4246" type="Folder">32</container>
                        <unitdate>1850 July 15</unitdate>
                        <physdesc id="ref643" label="General Physical Description note">
                            <extent>[7391 F 27]</extent></physdesc>
                    </did>
                </c>
                <c id="ref644" level="file">
                    <did>
                        <unittitle>Mantell, R. N., inquiring about the expedition for the survey of the Mexican boundary</unittitle>
                        <container id="cid4245" type="Box" label="Text">4</container>
                        <container parent="cid4245" type="Folder">33</container>
                        <unitdate>1850 August 21</unitdate>
                        <physdesc id="ref645" label="General Physical Description note">
                            <extent>[7391 F 28]</extent></physdesc>
                    </did>
                </c>
                <c id="ref646" level="file">
                    <did>
                        <unittitle>Incking, Margaret, inquiring for her son Henry</unittitle>
                        <container id="cid4244" type="Box" label="Text">4</container>
                        <container parent="cid4244" type="Folder">34</container>
                        <unitdate>1850 October 3</unitdate>
                        <physdesc id="ref647" label="General Physical Description note">
                            <extent>[7391 F 30]</extent></physdesc>
                    </did>
                </c>
                <c id="ref648" level="file">
                    <did>
                        <unittitle>Rothrock, A., regarding Mr. Lex's sickness and the fauna of the locality</unittitle>
                        <container id="cid4243" type="Box" label="Text">4</container>
                        <container parent="cid4243" type="Folder">35</container>
                        <unitdate>1850 October 20</unitdate>
                        <physdesc id="ref649" label="General Physical Description note">
                            <extent>[7391 F 32]</extent></physdesc>
                    </did>
                </c>
                <c id="ref650" level="file">
                    <did>
                        <unittitle>Schuchardt, Frederick, requesting the head of Rocky Mountain sheep for Prince Max de Wied</unittitle>
                        <container id="cid4242" type="Box" label="Text">4</container>
                        <container parent="cid4242" type="Folder">36</container>
                        <unitdate>1850 October 25</unitdate>
                        <physdesc id="ref651" label="General Physical Description note">
                            <extent>[7391 F 33]</extent></physdesc>
                    </did>
                </c>
                <c id="ref652" level="file">
                    <did>
                        <unittitle>Litton, A., thanking him for 
                            <emph render="italic">Synopsis of Organic Remains</emph></unittitle>
                        <container id="cid4241" type="Box" label="Text">4</container>
                        <container parent="cid4241" type="Folder">37</container>
                        <unitdate>1850 November 6</unitdate>
                        <physdesc id="ref653" label="General Physical Description note">
                            <extent>[7391 F 34]</extent></physdesc>
                    </did>
                </c>
                <c id="ref654" level="file">
                    <did>
                        <unittitle>de Wied, Prince Max, regarding wolves of Europe and North America, etc.</unittitle>
                        <container id="cid4240" type="Box" label="Text">4</container>
                        <container parent="cid4240" type="Folder">38</container>
                        <unitdate>1850 November 20</unitdate>
                        <physdesc id="ref655" label="General Physical Description note">
                            <extent>[7391 F 36]</extent></physdesc>
                    </did>
                </c>
                <c id="ref656" level="file">
                    <did>
                        <unittitle>Siljestrom, J. A., acknowledging receipt of books</unittitle>
                        <container id="cid4239" type="Box" label="Text">4</container>
                        <container parent="cid4239" type="Folder">39</container>
                        <unitdate>1850 November 20</unitdate>
                        <physdesc id="ref657" label="General Physical Description note">
                            <extent>[7391 F 37]</extent></physdesc>
                    </did>
                </c>
                <c id="ref658" level="file">
                    <did>
                        <unittitle>Cooper, George E., regarding the Lobo or gray wolf and the coyote</unittitle>
                        <container id="cid4238" type="Box" label="Text">4</container>
                        <container parent="cid4238" type="Folder">40</container>
                        <unitdate>1850 December 4</unitdate>
                        <physdesc id="ref659" label="General Physical Description note">
                            <extent>[7391 F 38]</extent></physdesc>
                    </did>
                </c>
                <c id="ref660" level="file">
                    <did>
                        <unittitle>Baily, E. J., regarding hybridity</unittitle>
                        <container id="cid4237" type="Box" label="Text">4</container>
                        <container parent="cid4237" type="Folder">41</container>
                        <unitdate>1850 December 8</unitdate>
                        <physdesc id="ref661" label="General Physical Description note">
                            <extent>[7391 F 39]</extent></physdesc>
                    </did>
                </c>
                <c id="ref662" level="file">
                    <did>
                        <unittitle>Sibley, H. H., regarding Indian dogs</unittitle>
                        <container id="cid4236" type="Box" label="Text">4</container>
                        <container parent="cid4236" type="Folder">42</container>
                        <unitdate>1850 December 14</unitdate>
                        <physdesc id="ref663" label="General Physical Description note">
                            <extent>[7391 F 40]</extent></physdesc>
                    </did>
                </c>
                <c id="ref664" level="file">
                    <did>
                        <unittitle>Vatteman, Alexandre, regarding the refusal of the Academy of Natural Sciences to give their journals</unittitle>
                        <container id="cid4235" type="Box" label="Text">4</container>
                        <container parent="cid4235" type="Folder">43</container>
                        <unitdate>1850 December 14</unitdate>
                        <physdesc id="ref665" label="General Physical Description note">
                            <extent>[7391 F 41]</extent></physdesc>
                    </did>
                </c>
                <c id="ref666" level="file">
                    <did>
                        <unittitle>Lambert, John, letter to accompany a translation</unittitle>
                        <container id="cid4234" type="Box" label="Text">4</container>
                        <container parent="cid4234" type="Folder">44</container>
                        <unitdate>1850 December 16</unitdate>
                        <physdesc id="ref667" label="General Physical Description note">
                            <extent>[7391 F 42]</extent></physdesc>
                    </did>
                </c>
                <c id="ref668" level="file">
                    <did>
                        <unittitle>Evans, John, regarding his proposed journey to the Columbia River and the Pacific Ocean</unittitle>
                        <container id="cid4233" type="Box" label="Text">4</container>
                        <container parent="cid4233" type="Folder">45</container>
                        <unitdate>1850 December 19</unitdate>
                        <physdesc id="ref669" label="General Physical Description note">
                            <extent>[7391 F 43]</extent></physdesc>
                    </did>
                </c>
                <c id="ref670" level="file">
                    <did>
                        <unittitle>Coates, B. H., with translations from a passage from the 
                            <emph render="italic">Odyssey</emph></unittitle>
                        <container id="cid4232" type="Box" label="Text">4</container>
                        <container parent="cid4232" type="Folder">46</container>
                        <physdesc>
                            <extent>[7391 F 44]</extent>
                        </physdesc>
                        <unitdate>1850 December 25</unitdate>
                    </did>
                </c>
                <c id="ref671" level="file">
                    <did>
                        <unittitle>Dewey, Henry B., regarding obtaining crania</unittitle>
                        <container id="cid4231" type="Box" label="Text">4</container>
                        <container parent="cid4231" type="Folder">47</container>
                        <unitdate>1850 December 28</unitdate>
                        <physdesc id="ref672" label="General Physical Description note">
                            <extent>[7391 F 45]</extent></physdesc>
                    </did>
                </c>
                <c id="ref673" level="file">
                    <did>
                        <unittitle>Notice of Fossil Remains of Mammalia; D. D. Owen, J. G. Norwood, John Evans</unittitle>
                        <container id="cid4230" type="Box" label="Text">4</container>
                        <container parent="cid4230" type="Folder">48</container>
                        <physdesc>
                            <extent>[ 7391 F 46.5]</extent>
                        </physdesc>
                        <unitdate>1850</unitdate>
                    </did>
                </c>
                <c id="ref674" level="file">
                    <did>
                        <unittitle>Baxter, Hiram, requesting a copy of 
                            <emph render="italic">Illustrated Anatomy</emph> for the Medical Society of Sarat County</unittitle>
                        <container id="cid4229" type="Box" label="Text">4</container>
                        <container parent="cid4229" type="Folder">49</container>
                        <unitdate>1851 January 1</unitdate>
                        <physdesc id="ref675" label="General Physical Description note">
                            <extent>[7391 F 47]</extent></physdesc>
                    </did>
                </c>
                <c id="ref676" level="file">
                    <did>
                        <unittitle>Morris, J. G., introducing Dr. Wynne</unittitle>
                        <container id="cid4228" type="Box" label="Text">4</container>
                        <container parent="cid4228" type="Folder">50</container>
                        <unitdate>1851 January 2</unitdate>
                        <physdesc id="ref677" label="General Physical Description note">
                            <extent>[7391 F 48]</extent></physdesc>
                    </did>
                </c>
                <c id="ref678" level="file">
                    <did>
                        <unittitle>Drayton, G., regarding a case of crania</unittitle>
                        <container id="cid4227" type="Box" label="Text">4</container>
                        <container parent="cid4227" type="Folder">51</container>
                        <unitdate>1851 January 4</unitdate>
                        <physdesc id="ref679" label="General Physical Description note">
                            <extent>[7391 F 49]</extent></physdesc>
                    </did>
                </c>
                <c id="ref680" level="file">
                    <did>
                        <unittitle>Berlandier, Louis</unittitle>
                        <container id="cid4226" type="Box" label="Text">4</container>
                        <container parent="cid4226" type="Folder">52</container>
                        <physdesc>
                            <extent>[7391 F 50]</extent>
                        </physdesc>
                        <unitdate>1851 January 5</unitdate>
                    </did>
                </c>
                <c id="ref681" level="file">
                    <did>
                        <unittitle>Head, J. Frazier, regarding Indian dogs and wolves</unittitle>
                        <container id="cid4225" type="Box" label="Text">4</container>
                        <container parent="cid4225" type="Folder">53</container>
                        <unitdate>1851 January 8</unitdate>
                        <physdesc id="ref682" label="General Physical Description note">
                            <extent>[7391 F 51]</extent></physdesc>
                    </did>
                </c>
                <c id="ref683" level="file">
                    <did>
                        <unittitle>Jarvis, N. S., regarding Louis Bernadier and Chihuahua dogs</unittitle>
                        <container id="cid4224" type="Box" label="Text">4</container>
                        <container parent="cid4224" type="Folder">54</container>
                        <unitdate>1851 January 10</unitdate>
                        <physdesc id="ref684" label="General Physical Description note">
                            <extent>[7391 F 52]</extent></physdesc>
                    </did>
                </c>
                <c id="ref685" level="file">
                    <did>
                        <unittitle>Gibbes, Lewis R., regarding an error in one of his articles</unittitle>
                        <container id="cid4223" type="Box" label="Text">4</container>
                        <container parent="cid4223" type="Folder">55</container>
                        <unitdate>1851 January 20</unitdate>
                        <physdesc id="ref686" label="General Physical Description note">
                            <extent>[7391 F 53]</extent></physdesc>
                    </did>
                </c>
                <c id="ref687" level="file">
                    <did>
                        <unittitle>Rothrock, A., regarding obtaining wolves' skulls</unittitle>
                        <container id="cid4222" type="Box" label="Text">4</container>
                        <container parent="cid4222" type="Folder">56</container>
                        <unitdate>1851 January 25</unitdate>
                        <physdesc id="ref688" label="General Physical Description note">
                            <extent>[7391 F 54]</extent></physdesc>
                    </did>
                </c>
                <c id="ref689" level="file">
                    <did>
                        <unittitle>Logan, John Dickinson, letter of thanks</unittitle>
                        <container id="cid4221" type="Box" label="Text">4</container>
                        <container parent="cid4221" type="Folder">57</container>
                        <unitdate>1851 January 27</unitdate>
                        <physdesc id="ref690" label="General Physical Description note">
                            <extent>[7391 F 55]</extent></physdesc>
                    </did>
                </c>
                <c id="ref691" level="file">
                    <did>
                        <unittitle>Dillingham, W. H., note and communication for the papers</unittitle>
                        <container id="cid4220" type="Box" label="Text">4</container>
                        <container parent="cid4220" type="Folder">58</container>
                        <unitdate>1851 January 27</unitdate>
                        <physdesc id="ref692" label="General Physical Description note">
                            <extent>[7391 F 56]</extent></physdesc>
                    </did>
                </c>
                <c id="ref693" level="file">
                    <did>
                        <unittitle>Steele, H. A., regarding skulls</unittitle>
                        <container id="cid4219" type="Box" label="Text">4</container>
                        <container parent="cid4219" type="Folder">59</container>
                        <unitdate>1851 January 29</unitdate>
                        <physdesc id="ref694" label="General Physical Description note">
                            <extent>[7391 F 57]</extent></physdesc>
                    </did>
                </c>
                <c id="ref695" level="file">
                    <did>
                        <unittitle>Audubon, Victor G., regarding his father's death</unittitle>
                        <container id="cid4218" type="Box" label="Text">4</container>
                        <container parent="cid4218" type="Folder">60</container>
                        <unitdate>1851 February 3</unitdate>
                        <physdesc id="ref696" label="General Physical Description note">
                            <extent>[7391 F 58]</extent></physdesc>
                    </did>
                </c>
                <c id="ref697" level="file">
                    <did>
                        <unittitle>Hoy, P. R., regarding Indian mounds</unittitle>
                        <container id="cid4217" type="Box" label="Text">4</container>
                        <container parent="cid4217" type="Folder">61</container>
                        <unitdate>1851 February 4</unitdate>
                        <physdesc id="ref698" label="General Physical Description note">
                            <extent>[7391 F 59]</extent></physdesc>
                    </did>
                </c>
                <c id="ref699" level="file">
                    <did>
                        <unittitle>Redfield, John H., acknowledgment from the Lyceum of Natural History for pamphlets</unittitle>
                        <container id="cid4216" type="Box" label="Text">4</container>
                        <container parent="cid4216" type="Folder">62</container>
                        <unitdate>1851 February 4</unitdate>
                        <physdesc id="ref700" label="General Physical Description note">
                            <extent>[7391 F 60]</extent></physdesc>
                    </did>
                </c>
                <c id="ref701" level="file">
                    <did>
                        <unittitle>Foulke, William Parker, regarding respecting the geologic survey of Pennsylvania</unittitle>
                        <container id="cid4215" type="Box" label="Text">4</container>
                        <container parent="cid4215" type="Folder">63</container>
                        <physdesc>
                            <extent>[7391 F 61]</extent>
                        </physdesc>
                        <unitdate>1851 February 5</unitdate>
                    </did>
                </c>
                <c id="ref702" level="file">
                    <did>
                        <unittitle>Latham, R. J., letter accompanying a book</unittitle>
                        <container id="cid4214" type="Box" label="Text">4</container>
                        <container parent="cid4214" type="Folder">64</container>
                        <unitdate>1851 February 7</unitdate>
                        <physdesc id="ref703" label="General Physical Description note">
                            <extent>[7391 F 62]</extent></physdesc>
                    </did>
                </c>
                <c id="ref704" level="file">
                    <did>
                        <unittitle>Schuchardt, Frederick, regarding a package from Prince Max de Wied</unittitle>
                        <container id="cid4213" type="Box" label="Text">4</container>
                        <container parent="cid4213" type="Folder">65</container>
                        <unitdate>1851 February 8</unitdate>
                        <physdesc id="ref705" label="General Physical Description note">
                            <extent>[7391 F 63]</extent></physdesc>
                    </did>
                </c>
                <c id="ref706" level="file">
                    <did>
                        <unittitle>Cuttle, J. S., regarding the skulls of animals</unittitle>
                        <container id="cid4212" type="Box" label="Text">4</container>
                        <container parent="cid4212" type="Folder">66</container>
                        <unitdate>1851 February 12</unitdate>
                        <physdesc id="ref707" label="General Physical Description note">
                            <extent>[7391 F 64]</extent></physdesc>
                    </did>
                </c>
                <c id="ref708" level="file">
                    <did>
                        <unittitle>Squier, Ephraim George regarding his books</unittitle>
                        <container id="cid4211" type="Box" label="Text">4</container>
                        <container parent="cid4211" type="Folder">67</container>
                        <unitdate>1851 February 12, 1851 May 4</unitdate>
                        <physdesc id="ref709" label="General Physical Description note">
                            <extent>[7391 F 83]</extent></physdesc>
                    </did>
                </c>
                <c id="ref710" level="file">
                    <did>
                        <unittitle>Johnston, George, regarding Indian dogs and wolves</unittitle>
                        <container id="cid4210" type="Box" label="Text">4</container>
                        <container parent="cid4210" type="Folder">68</container>
                        <unitdate>1851 February 22</unitdate>
                        <physdesc id="ref711" label="General Physical Description note">
                            <extent>[7391 F 63]</extent></physdesc>
                    </did>
                </c>
                <c id="ref712" level="file">
                    <did>
                        <unittitle>Phelps, S. Ledyard, regarding his journey to western South America</unittitle>
                        <container id="cid4209" type="Box" label="Text">4</container>
                        <container parent="cid4209" type="Folder">69</container>
                        <unitdate>1851 February 23</unitdate>
                        <physdesc id="ref713" label="General Physical Description note">
                            <extent>[7391 F 66]</extent></physdesc>
                    </did>
                </c>
                <c id="ref714" level="file">
                    <did>
                        <unittitle>Cain, D. I. and F. P. Porcher, regarding the publication of his "Notes on Hybridity"</unittitle>
                        <container id="cid4208" type="Box" label="Text">4</container>
                        <container parent="cid4208" type="Folder">70</container>
                        <physdesc>
                            <extent>[ 7391 F 79]</extent>
                        </physdesc>
                        <unitdate>1851 February 28, 1851 April 10</unitdate>
                    </did>
                </c>
                <c id="ref715" level="file">
                    <did>
                        <unittitle>Edwards, Amory, letter to accompany Indian skulls from the Amazon</unittitle>
                        <container id="cid4207" type="Box" label="Text">4</container>
                        <container parent="cid4207" type="Folder">71</container>
                        <unitdate>1851 March 5</unitdate>
                        <physdesc id="ref716" label="General Physical Description note">
                            <extent>[7391 F 67]</extent></physdesc>
                    </did>
                </c>
                <c id="ref717" level="file">
                    <did>
                        <unittitle>Steiner, J. M., regarding forwarding specimens</unittitle>
                        <container id="cid4206" type="Box" label="Text">4</container>
                        <container parent="cid4206" type="Folder">72</container>
                        <unitdate>1851 March 10</unitdate>
                        <physdesc id="ref718" label="General Physical Description note">
                            <extent>[7391 F 68]</extent></physdesc>
                    </did>
                </c>
                <c id="ref719" level="file">
                    <did>
                        <unittitle>Davis, J. B., requesting information about his books, etc.</unittitle>
                        <container id="cid4205" type="Box" label="Text">4</container>
                        <container parent="cid4205" type="Folder">73</container>
                        <unitdate>1851 March 11</unitdate>
                        <physdesc id="ref720" label="General Physical Description note">
                            <extent>[7391 F 69]</extent></physdesc>
                    </did>
                </c>
                <c id="ref721" level="file">
                    <did>
                        <unittitle>Bachman, John, regarding one of his letters</unittitle>
                        <container id="cid4204" type="Box" label="Text">4</container>
                        <container parent="cid4204" type="Folder">74</container>
                        <unitdate>1851 March 15</unitdate>
                        <physdesc id="ref722" label="General Physical Description note">
                            <extent>[7391 F 71]</extent></physdesc>
                    </did>
                </c>
                <c id="ref723" level="file">
                    <did>
                        <unittitle>King, Alfred J., regarding the anatomy of the brains of animals</unittitle>
                        <container id="cid4203" type="Box" label="Text">4</container>
                        <container parent="cid4203" type="Folder">75</container>
                        <unitdate>1851 March 17</unitdate>
                        <physdesc id="ref724" label="General Physical Description note">
                            <extent>[7391 F 72]</extent></physdesc>
                    </did>
                </c>
                <c id="ref725" level="file">
                    <did>
                        <unittitle>Harris, A. C., regarding the skulls of dogs and cats</unittitle>
                        <container id="cid4202" type="Box" label="Text">4</container>
                        <container parent="cid4202" type="Folder">76</container>
                        <unitdate>1851 March 19</unitdate>
                        <physdesc id="ref726" label="General Physical Description note">
                            <extent>[7391 F 73]</extent></physdesc>
                    </did>
                </c>
                <c id="ref727" level="file">
                    <did>
                        <unittitle>Abert, J. J., regarding hybridity</unittitle>
                        <container id="cid4201" type="Box" label="Text">4</container>
                        <container parent="cid4201" type="Folder">77</container>
                        <unitdate>1851 March 19</unitdate>
                        <physdesc id="ref728" label="General Physical Description note">
                            <extent>[7391 F 74]</extent></physdesc>
                    </did>
                </c>
                <c id="ref729" level="file">
                    <did>
                        <unittitle>Hildreth, S. P., regarding his books on natural history and history of Ohio</unittitle>
                        <container id="cid4200" type="Box" label="Text">4</container>
                        <container parent="cid4200" type="Folder">78</container>
                        <unitdate>1851 April 3</unitdate>
                        <physdesc id="ref730" label="General Physical Description note">
                            <extent>[7391 F 75]</extent></physdesc>
                    </did>
                </c>
                <c id="ref731" level="file">
                    <did>
                        <unittitle>Barnes, Joseph K., regarding his brother's health</unittitle>
                        <container id="cid4199" type="Box" label="Text">4</container>
                        <container parent="cid4199" type="Folder">79</container>
                        <unitdate>1851 April 4</unitdate>
                        <physdesc id="ref732" label="General Physical Description note">
                            <extent>[7391 F 76]</extent></physdesc>
                    </did>
                </c>
                <c id="ref733" level="file">
                    <did>
                        <unittitle>Nott, Josiah C., regarding the controversy over ethnology</unittitle>
                        <container id="cid4198" type="Box" label="Text">4</container>
                        <container parent="cid4198" type="Folder">80</container>
                        <unitdate>1851 April 6</unitdate>
                        <physdesc id="ref734" label="General Physical Description note">
                            <extent>[7391 F 77]</extent></physdesc>
                    </did>
                </c>
                <c id="ref735" level="file">
                    <did>
                        <unittitle>Baird, Spencer Fullerton requesting an article on human races</unittitle>
                        <container id="cid4197" type="Box" label="Text">4</container>
                        <container parent="cid4197" type="Folder">81</container>
                        <unitdate>1851 April 7</unitdate>
                        <physdesc id="ref736" label="General Physical Description note">
                            <extent>[7391 F 78]</extent></physdesc>
                    </did>
                </c>
                <c id="ref737" level="file">
                    <did>
                        <unittitle>Ricord, F. W., on behalf of the Natural History Society of New Jersey, announcing his election as corresponding member</unittitle>
                        <container id="cid4196" type="Box" label="Text">4</container>
                        <container parent="cid4196" type="Folder">82</container>
                        <unitdate>1851 April 15</unitdate>
                        <physdesc id="ref738" label="General Physical Description note">
                            <extent>[7391 F 80]</extent></physdesc>
                    </did>
                </c>
                <c id="ref739" level="file">
                    <did>
                        <unittitle>Report from Military Academy, regarding class standing</unittitle>
                        <container id="cid4195" type="Box" label="Text">4</container>
                        <container parent="cid4195" type="Folder">83</container>
                        <unitdate>1851 April 17</unitdate>
                        <physdesc id="ref740" label="General Physical Description note">
                            <extent>[7391 F 81]</extent></physdesc>
                    </did>
                </c>
                <c id="ref741" level="file">
                    <did>
                        <unittitle>Usher, William, requesting his papers on hybridity</unittitle>
                        <container id="cid4194" type="Box" label="Text">4</container>
                        <container parent="cid4194" type="Folder">84</container>
                        <unitdate>1851 May 1</unitdate>
                        <physdesc id="ref742" label="General Physical Description note">
                            <extent>[7391 F 82]</extent></physdesc>
                    </did>
                </c>
                <c id="ref743" level="file">
                    <did>
                        <unittitle>Porter, R. R., regarding Mr. Hall's health</unittitle>
                        <container id="cid4193" type="Box" label="Text">4</container>
                        <container parent="cid4193" type="Folder">85</container>
                        <unitdate>undated</unitdate>
                        <physdesc id="ref744" label="General Physical Description note">
                            <extent>[7391 F 84]</extent></physdesc>
                    </did>
                </c>
                <c id="ref745" level="file">
                    <did>
                        <unittitle>Chapman, N., regarding a patient</unittitle>
                        <container id="cid4192" type="Box" label="Text">4</container>
                        <container parent="cid4192" type="Folder">86</container>
                        <unitdate>undated</unitdate>
                        <physdesc id="ref746" label="General Physical Description note">
                            <extent>[7391 F 85]</extent></physdesc>
                    </did>
                </c>
                <c id="ref747" level="file">
                    <did>
                        <unittitle>Dana, James D., regarding the report of the expedition</unittitle>
                        <container id="cid4191" type="Box" label="Text">4</container>
                        <container parent="cid4191" type="Folder">87</container>
                        <unitdate>undated</unitdate>
                        <physdesc id="ref748" label="General Physical Description note">
                            <extent>[7391 F 86]</extent></physdesc>
                    </did>
                </c>
                <c id="ref749" level="file">
                    <did>
                        <unittitle>Dunn, T. C., regarding an Indian cemetery in Rhode Island</unittitle>
                        <container id="cid4190" type="Box" label="Text">4</container>
                        <container parent="cid4190" type="Folder">88</container>
                        <unitdate>undated</unitdate>
                        <physdesc id="ref750" label="General Physical Description note">
                            <extent>[7391 F 87]</extent></physdesc>
                    </did>
                </c>
                <c id="ref751" level="file">
                    <did>
                        <unittitle>Ingersoll, J. R., invitation</unittitle>
                        <container id="cid4189" type="Box" label="Text">4</container>
                        <container parent="cid4189" type="Folder">89</container>
                        <unitdate>undated</unitdate>
                        <physdesc id="ref752" label="General Physical Description note">
                            <extent>[7391 F 88]</extent></physdesc>
                    </did>
                </c>
                <c id="ref753" level="file">
                    <did>
                        <unittitle>Nichol, J. P., requesting information on ethnological books</unittitle>
                        <container id="cid4188" type="Box" label="Text">4</container>
                        <container parent="cid4188" type="Folder">90</container>
                        <unitdate>undated</unitdate>
                        <physdesc id="ref754" label="General Physical Description note">
                            <extent>[7391 F 89]</extent></physdesc>
                    </did>
                </c>
                <c id="ref755" level="file">
                    <did>
                        <unittitle>Opinions of Judge Sharkey, B. Gillespie</unittitle>
                        <container id="cid4187" type="Box" label="Text">4</container>
                        <container parent="cid4187" type="Folder">91</container>
                        <physdesc>
                            <extent>[7391 F 90]</extent>
                        </physdesc>
                        <unitdate>undated</unitdate>
                    </did>
                </c>
            </c>
            <c id="ref756" level="series">
                <did>
                    <unittitle>Series II. Notes</unittitle>
                </did>
                <c id="ref757" level="file">
                    <did>
                        <unittitle>
                            <emph render="italic">Crania Americana</emph> notes and book review</unittitle>
                        <container id="cid4185" type="Volume" label="Text">1</container>
                        <unitdate>1839</unitdate>
                    </did>
                </c>
                <c id="ref758" level="file">
                    <did>
                        <unittitle>
                            <emph render="italic">Crania Aegyptiaca</emph> notes and references</unittitle>
                        <container id="cid4184" type="Volume" label="Text">2</container>
                        <unitdate>1842</unitdate>
                    </did>
                </c>
                <c id="ref759" level="file">
                    <did>
                        <unittitle>
                            <emph render="italic">Crania Aegyptiaca</emph> research and notes</unittitle>
                        <container id="cid4183" type="Volume" label="Text">3</container>
                        <unitdate>circa 1842</unitdate>
                    </did>
                </c>
                <c id="ref760" level="file">
                    <did>
                        <unittitle>
                            <emph render="italic">Crania Aegyptiaca</emph> "Miscellanea"</unittitle>
                        <container id="cid4182" type="Box" label="Text">4</container>
                        <container parent="cid4182" type="Folder">92</container>
                        <physdesc>
                            <extent>[7391 F 93]</extent>
                        </physdesc>
                        <unitdate>circa 1842</unitdate>
                    </did>
                </c>
                <c id="ref761" level="file">
                    <did>
                        <unittitle>Notes on Ethnology</unittitle>
                        <container id="cid4181" type="Box" label="Text">4</container>
                        <container parent="cid4181" type="Folder">93</container>
                        <physdesc>
                            <extent>[7391 F 94]</extent>
                        </physdesc>
                        <unitdate>circa 1842</unitdate>
                    </did>
                </c>
                <c id="ref762" level="file">
                    <did>
                        <unittitle>Notes on Hybridity</unittitle>
                        <container id="cid4180" type="Box" label="Text">4</container>
                        <container parent="cid4180" type="Folder">94</container>
                        <physdesc>
                            <extent>[7391 F 92]</extent>
                        </physdesc>
                        <unitdate>circa 1850</unitdate>
                    </did>
                </c>
            </c>
            <c id="ref763" level="series">
                <did>
                    <unittitle>Series III. Pennsylvania College</unittitle>
                </did>
                <c id="ref764" level="file">
                    <did>
                        <unittitle>Pennsylvania Medical College Financial Accounts and Faculty Notes</unittitle>
                        <container id="cid4178" type="Volume" label="Text">4</container>
                        <unitdate>1841 - 1843</unitdate>
                    </did>
                </c>
                <c id="ref765" level="file">
                    <did>
                        <unittitle>Lectures on the Varieties of the Human Species</unittitle>
                        <container id="cid4177" type="Box" label="Text">5</container>
                        <container parent="cid4177" type="Folder">1</container>
                        <unitdate>circa 1840</unitdate>
                    </did>
                </c>
            </c>
            <c id="ref766" level="series">
                <did>
                    <unittitle>Series IV. Writings</unittitle>
                </did>
                <c id="ref767" level="file">
                    <did>
                        <unittitle>
                            <emph render="italic">Crania Americana</emph> Introduction</unittitle>
                        <container id="cid4176" type="Volume" label="Text">5</container>
                        <unitdate>circa 1839</unitdate>
                    </did>
                </c>
                <c id="ref768" level="file">
                    <did>
                        <unittitle>
                            <emph render="italic">Crania Americana</emph> Text</unittitle>
                        <container id="cid4175" type="Volume" label="Text">6</container>
                        <unitdate>circa 1839</unitdate>
                    </did>
                </c>
                <c id="ref769" level="file">
                    <did>
                        <unittitle>
                            <emph render="italic">Crania Americana</emph> Appendix</unittitle>
                        <container id="cid4174" type="Volume" label="Text">7</container>
                        <unitdate>circa 1839</unitdate>
                    </did>
                </c>
                <c id="ref770" level="file">
                    <did>
                        <unittitle>
                            <emph render="italic">Crania Americana</emph> - 4 chapters</unittitle>
                        <container id="cid4173" type="Box" label="Text">5</container>
                        <container parent="cid4173" type="Folder">2</container>
                        <unitdate>circa 1839</unitdate>
                    </did>
                </c>
                <c id="ref771" level="file">
                    <did>
                        <unittitle>
                            <emph render="italic">Crania Aegyptiaca</emph> scrapbooks</unittitle>
                        <container id="cid4172" type="Box" label="Text">5</container>
                        <container parent="cid4172" type="Folder">3</container>
                        <unitdate>circa 1839</unitdate>
                    </did>
                </c>
                <c id="ref772" level="file">
                    <did>
                        <unittitle>Draft of part of 
                            <emph render="italic">Inquiry into the Distinctive Characteristics of the Aboriginal Race of America</emph></unittitle>
                        <container id="cid4171" type="Box" label="Text">5</container>
                        <container parent="cid4171" type="Folder">4</container>
                        <unitdate>circa 1844</unitdate>
                    </did>
                </c>
                <c id="ref773" level="file">
                    <did>
                        <unittitle>
                            <emph render="italic">Effects of Domestication of Inferior Animals</emph></unittitle>
                        <container id="cid4170" type="Volume" label="Text">8</container>
                        <unitdate>circa 1840</unitdate>
                    </did>
                </c>
                <c id="ref774" level="file">
                    <did>
                        <unittitle>
                            <emph render="italic">Effect of Mechanical Compression on the Volume of the Brain</emph></unittitle>
                        <container id="cid4169" type="Box" label="Text">5</container>
                        <container parent="cid4169" type="Folder">5</container>
                        <unitdate>circa 1840</unitdate>
                    </did>
                </c>
                <c id="ref775" level="file">
                    <did>
                        <unittitle>
                            <emph render="italic">History of the Chinese Pirates Skull</emph></unittitle>
                        <container id="cid4168" type="Box" label="Text">5</container>
                        <container parent="cid4168" type="Folder">6</container>
                        <physdesc>
                            <extent>[7388 F 97]</extent>
                        </physdesc>
                        <unitdate>1829</unitdate>
                    </did>
                </c>
                <c id="ref776" level="file">
                    <did>
                        <unittitle>
                            <emph render="italic">On the position of the ear in statuary</emph></unittitle>
                        <container id="cid4167" type="Box" label="Text">5</container>
                        <container parent="cid4167" type="Folder">7</container>
                        <physdesc>
                            <extent>[7391 F 95]</extent>
                        </physdesc>
                        <unitdate>circa 1839</unitdate>
                    </did>
                </c>
                <c id="ref777" level="file">
                    <did>
                        <unittitle>
                            <emph render="italic">On the size of the brain in various races</emph></unittitle>
                        <container id="cid4166" type="Box" label="Text">5</container>
                        <container parent="cid4166" type="Folder">8</container>
                        <unitdate>circa 1839</unitdate>
                    </did>
                </c>
                <c id="ref778" level="file">
                    <did>
                        <unittitle>Posthumous papers</unittitle>
                        <container id="cid4165" type="Box" label="Text">5</container>
                        <container parent="cid4165" type="Folder">9</container>
                        <physdesc>
                            <extent>[7391 F 91]</extent>
                        </physdesc>
                        <unitdate>circa 1852</unitdate>
                    </did>
                </c>
                <c id="ref779" level="file">
                    <did>
                        <unittitle>Posthumous works - Chapter 10 of 
                            <emph render="italic">Types of Mankind</emph></unittitle>
                        <container id="cid4164" type="Box" label="Text">5</container>
                        <container parent="cid4164" type="Folder">10</container>
                        <unitdate>1853</unitdate>
                    </did>
                </c>
                <c id="ref780" level="file">
                    <did>
                        <unittitle>Posthumous 
                            <emph render="italic">Memoir of the Life and Scientific Labors of Samuel George Morton</emph>, Henry S. Patterson</unittitle>
                        <container id="cid4163" type="Box" label="Text">5</container>
                        <container parent="cid4163" type="Folder">11</container>
                        <unitdate>circa 1853</unitdate>
                    </did>
                </c>
                <c id="ref781" level="file">
                    <did>
                        <unittitle>Unedited article in 
                            <emph render="italic">Charleston Medical Journal</emph></unittitle>
                        <container id="cid4162" type="Box" label="Text">5</container>
                        <container parent="cid4162" type="Folder">12</container>
                    </did>
                </c>
            </c>
            <c id="ref782" level="series">
                <did>
                    <unittitle>Series V. James St. Clair Morton</unittitle>
                </did>
                <c id="ref783" level="file">
                    <did>
                        <unittitle>Certificate of admission to West Point</unittitle>
                        <container id="cid4161" type="Box" label="Text">5</container>
                        <container parent="cid4161" type="Folder">13</container>
                        <physdesc>
                            <extent>[7389 F 54]</extent>
                        </physdesc>
                        <unitdate>1847 February 24</unitdate>
                    </did>
                </c>
                <c id="ref784" level="file">
                    <did>
                        <unittitle>Chiriqui Expedition Compass Notes of the Survey of Caon Caldera and Level Notes of the Same</unittitle>
                        <container id="cid4160" type="Volume" label="Text">9</container>
                        <unitdate>circa 1860</unitdate>
                    </did>
                </c>
                <c id="ref785" level="file">
                    <did>
                        <unittitle>Journal of the Chiriqui Surveying Party</unittitle>
                        <container id="cid4159" type="Volume" label="Text">10</container>
                        <unitdate>1860</unitdate>
                    </did>
                </c>
                <c id="ref786" level="file">
                    <did>
                        <unittitle>Surveying notebook used at Fort Jefferson</unittitle>
                        <container id="cid4158" type="Box" label="Text">5</container>
                        <container parent="cid4158" type="Folder">14</container>
                        <physdesc>
                            <extent>[7391 F 96]</extent>
                        </physdesc>
                        <unitdate>circa 1860</unitdate>
                    </did>
                </c>
                <c id="ref787" level="file">
                    <did>
                        <unittitle>Financial ledger for construction of Fort Negley in Nashville, TN</unittitle>
                        <container id="cid4157" type="Volume" label="Text">11</container>
                        <unitdate>1862</unitdate>
                    </did>
                </c>
                <c id="ref788" level="file">
                    <did>
                        <unittitle>Contingencies of Fortification including Fieldworks: Army of the Ohio Check Book Margin</unittitle>
                        <container id="cid4156" type="Volume" label="Text">12</container>
                        <unitdate>1862</unitdate>
                    </did>
                </c>
                <c id="ref789" level="file">
                    <did>
                        <unittitle>Outgoing Correspondence Copy Book</unittitle>
                        <container id="cid4155" type="Volume" label="Text">13</container>
                        <unitdate>1862 May 16 - 1862 May 31</unitdate>
                    </did>
                </c>
                <c id="ref790" level="file">
                    <did>
                        <unittitle>Extract from the report of Dr. M. W. Dickeson and Andrew Brown on the river Mississippi to the American Association for the Promotion of Science, Albert Stein</unittitle>
                        <container id="cid4154" type="Box" label="Text">5</container>
                        <container parent="cid4154" type="Folder">15</container>
                        <physdesc>
                            <extent>[7370 F 44.5]</extent>
                        </physdesc>
                        <unitdate>1849</unitdate>
                    </did>
                </c>
            </c>
        </dsc>
    </archdesc>
</ead>
