DESCRIPTION'S 
OF 
FLUYIATILE AND MARINE SHELLS 
NORTH AMERICA. 
THOMAS SAY. 
NEW YORK: 
H. BAILLIEEE, 2 9 0 BEOADWAY. 
LONDON H. BAILLIERE, 219 REGENT STREET. 
PARIS : J. B. BAILLIERE ET FILS, RUE HAUTEFEUILLE, 
MADRID : C. BAILLY-BAILLIERE, CALLE DEL PRINCIPE, 
1858, 
