A 
CATALOGUE 
OF 
THE SHELLS, 
ARRANGED ACCORDING TO THE 
LAMARCKIAN SYSTEM, 
WITH THEIR AUTHORITIES, SYNONYMES, AND REFERENCES TO W^ORKS WHERE FIGURED OR DESCRIBED, 
CONTAINED IN THE COLLECTION 
OF 
JOHN C. JAY, M.D., 
MEMBER OP THE LYCEUM OF NATURAL HISTORY, NEW YORK ; CORRESPONDINO MEMBER OF THE ACADEMY OF 
NATURAL SCIENCES, PHILADELPHIA ; OF THE UNITED STATES NATAL LYCEUM, BROOKLYN ; 
OP THE BOSTON NATURAL HISTORY SOCIETY, Ac. 
FOURTH EDITION. 
NEW YORK: 
PRINTED BY R. CRAIGHEAD, 112, FULTON STREET. 
1850. 
