Front matter
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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.