Eastern JDistrict of Pennsylvania^ to -wit: 
BE IT REMEMBERED, That on the ninth day of July, in 
the forty-third year of the Independence of the United States 
of America, A. D. 1818, William P. C. Barton, M. D. of the 
said district, hath deposited in this office the title of a Book, 
the right whereof he claims as author, in the words following, 
to wit : 
Compendium Florae Philadelphicae : Containing a description of 
the Indigenous and Naturalized Plants found within a circuit of 
ten miles around Philadelphia. By William P. C. Barton^ JM.JI. 
Surgeon in the U. States* Navy^ and of the Naval Hospital at 
Philadelphia; and Professor of Botany in the University of 
Pennsylvania. In two volumes.** 
In conformity to the act of the congress of the United 
States, entitled ‘‘An Act for the encouragement of learning, 
by securing the copies of maps, charts, and books, to the au- 
thors and proprietors of such copies, during the times therein 
mentioned;” and also to the act entitled, “An Act supplemen- 
tary to an act entitled ‘An Act for the encouragement of learn- 
ing, by securing the copies of maps, charts, and books, to the 
authors and proprietors of such copies, during the times there- 
in mentioned,’ and extending the benefits thereof to the arts 
of designing, engraving and etching historical and other 
prints.” 
D. CALDWELL, 
Clerk of the Eastern District of Pennsylvania, 
