AMERICAN 



MARINE CONCHOLOGY: 



DESCRIPTIONS OF THE SHELLS 



ATLANTIC COAST OF THE UNITED STATES, 



FROM MAINE TO FLORIDA. 



BY 



MKMBER OF THK ACAUEMV OF NATURAL SCIENCES OP PHILADELPHIA. 



GEOEGE W. TRYOJS', Jr., 



NATU 



PHILADELPHIA: 

 PUBLISHED BY THE AUTHOR, 



Xo. 19 XoRTH Sixth Street. 



