SMITHSONIAN MISCELLANEOUS COLLECTIONS. 



_ 252 



THE 



M L L U S K S 



OF 



WESTERN NORTH AMERICA 



BY 

 PHILIP P. CARPENTER, B.A., Ph.D. 



EMBKACIXO THE SKCOXD R1!PORT MADE TO THE BRITISH ASSOCIATION 



ON THIS SUBJECT, WITH OTHER PAPERS ; REPRINTED BY 



PERMISSION, WITH A GENERAL INDEX. 





WASHINGTON: 

 SMITHSONIAN INSTITUTION 



DECEMBER, 1872. 



i)^'; o3i 



'^ LIBRARY 



NATIONAL ..iUSEU; 



