DISTRICT OF FENNSYLVANIA, td wiT ; 
^%/wvw^ 
BE it remembered, that, on the twenty-seventh day of February, in the forty- i 
second year of the independence of the United States of America, A. D 1818, j 
Solomon W Conrad, of the said district, hath deposited in this office the title i 
of a book, the right whereof he claims as proprietor, in the words folio vTing, 
to wit ; 
Catalogus Plantarum Americae Septentrionalis, huc usque cognitarum indigenarum et 
cicurum; or, a Catalogue of the hitherto known Native and Naturalized Plants of North 
America, arranged according to the sexual system of Linnaeus. By Henry Muhlenberg, 
D. D Societ. Physic. Gotting. — Berolini Imperialis Naturae Curiosorum — Physiogr. Lund. 
etc. Membro. Second edition, corrected and enlarged.” 
In conformity to the act of the Congresa of the United States, intituled, ** An act for the 
Encouragement of Leaming, by securing 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 supplementa: y to an act, entitled, ‘ An act for the Encouragement 
©f 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 <f Fennsylvama, 
