S Asters Ditriet of Pennsstoanie, ZO WIT: 
BE IT REMEMBERED, That on ‘the sixth 
day of October, in the fifty-second year of the Inde- 
pendence of the United States of America, A. Pe. 
1827, William P. C. Barton, M. D, of the 82 
ao Outlines of Lectures on Materia Medica and Botany, delivered 
in oe Medical poeesa pis accede rag bh ae = 2 
da = 
= “s soniifenity to the act of the Siagiiaaitent United States, ee 
_ intituled “ An act for the encouragement of learning, by secure 
ing the copies of maps, charts, and books, to the authors and 
Lane of such copies during the times therein menti 
nd ; o the act, entitled “ An act supplementary to 
fo encouragement of learning, 
satee a to the authors 
at Pi 
