The cover image was created by the transcriber, and is placed in the public domain.

THE
FIVE CLASSES OF INVERTEBRAL ANIMALS
DESCRIBED IN THIS VOLUME

THE
BOOK OF SHELLS;

CONTAINING

THE CLASSES MOLLUSCA, CONCHIFERA,
CIRRHIPEDA, ANNULATA, AND
CRUSTACEA.

PUBLISHED UNDER THE DIRECTION OF
THE COMMITTEE OF GENERAL LITERATURE AND EDUCATION,
APPOINTED BY THE SOCIETY FOR PROMOTING
CHRISTIAN KNOWLEDGE.

THEBOOK OF SHELLS;