A
MONOGRAPH
OF THE
TRILOBITES OF NORTH AMERICA:
WITH
Coloured Models of the Species.
Multa renacentur quæ jam cecidere.—Hor.
BY
JACOB GREEN, M. D.
Professor of Chemistry in Jefferson Medical College.
PHILADELPHIA:
Published by Joseph Brano, No. 12, Castle Street.
Clark & Raser, Printers.
1832.
Entered according to the Act of Congress, in the year 1832, by Joseph Brano, in the Clerk's Office of the District Court of the Eastern District of Pennsylvania.