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District of Pennsj-lvania, to wit: 



♦K*»***^ EE IT REMEMBERED, That on the third day of 

 ^ SEAL. ^ April, In the forty-second year of the Independence of 

 ^■^i^'^'^'k--^ the United States of America, A. D. 1818, Thomas Xut- 

 tall of the said district, lias deposited in this office the title of a 

 book, the right whereof he claims as author, in the words follow- 

 ing-, to wit: 



" The Genera of N'orth American Plants, and a Catalogue of 

 the Species to the year 1817. By Thomas Nuttall, F. L. S. 

 fellow of the American Philosophical Society, and of the 

 Academy of Natural Sciences of Philadelphia, &c." 

 In conformity to an act of the congress of the United States, 

 intitled, " an act for the encouragement of learning, by securing 

 the copies of maps, charts and books, to the authors and proprie- 

 tors 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 co- 

 pies 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 etch- 

 ing historical and other prints." 



D. CALDWELL, 

 Clerk of the District of Pennsylvania. 



