;Y 



7AV^lLLlAW.'-C-§^. 



AMERICAN 



MARINE CONCHOLOGY: 



DESCRIPTIOXS OF THE SHELLS 



ATLANTIC COAST OF THE UNITED STATES 



FROM MAINE TO FLORIDA. 



BY 



in 



CJ 



GEORGE W. TRYO]S', Je., ' 



MEMBER OF THE ACADEMY OF NATURAL SCIENCES OF PHILADELPHIA. 



PHILADELPHIA: 



PUBLISHED BY THE AUTHOR 



Xo. 19 XoKTH Sixth Street. 



.7f- 



