TERN DISTRICT OF PENNSYLVANIA, to wit: é 
BE IT REMEMBERED, That on the sixth day of Oc- 
(L. S.) tober, in the fifty-second year of the Independence of the 
United States of America, A. D. 1827, Wittiam 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 follow- 
ing, to wit: ; 
- Outlines of Lectures on Materia Medica and Botany, delivered 
in Jefferson Medical College, Philadelphia, by William P. C. Bar- 
‘© ton, M. Dp.” “ ; i m ’ 
Yn conformity to the act of the Congress of the United States, 
jntituled ‘ 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 pd A smeared 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 — 
enefits thereof to the arts of designing, engraving, and etching, 
al and other prints.” e - 
me D. CALDWELL, Clerk of the 
