SMITHSONIAN MISCELLANEOUS COLLECTIONS. 



CHECK LISTS 



SHELLS OF NORTH AMERICA. 



PREPARED FOR THE SMITHSO]\T\N INSTITUTION, 



EY 



ISAAC LEA, P. P. CARPENTER, WM. STi:^fPSOX, 

 TF. G. BOAEY, AXD TEMPLE PRIME. 



W A S II I N G T X : 

 SMITHSONIAN INSTITUTION 



Jn.N-E, 18C0. 



