DISTRICT OF PENNSYLVANIA TO WIT. 



BE it remembered, that, on the twenty-seventh day of February, in the 

 twenty-ninth year of the Independence of the United States of America, John 

 Conrad, of the said district, hath deposited, in this office, the title of a book, the 

 right whereof he claims as proprietor, in the words following, to viit, " The Phi- 

 «« ladelphia Medical and Physical Journal. Part II. Vol. I. Collected and 

 «' arranged by Benjamin Smith Barton, M. D., Professor of Materia Medica, 

 «« Natural History, and Botany, in the University of Pennsylvania," in confor- 

 mity to the Act of the Congress of the United States, entitled, " An act for the 

 " encouragement of learning, by seauring the copies of Maps, Charts, and 

 " Books, to the Authors and Proprietors of such Copies, during the times therein 

 mentioned," and also to the act, entitled, " An act supplementary to an act 

 " entitled an act for the encouragement of learning, by securing the copies of 

 « Maps, Charts, and Books, to the Authors and Proprietors of such copies, 

 " during the times therein mentioned, and extending the benefits thereof to the 

 " arts of designing, engraving, and etching historical and other prints." 



D. CALDWELL, 

 Clerk of the District of Pennsylvania. 



