SMITHSONIAN^ MISCELLANEOUS COLLECTIONS. 



143 : 



LAND AND FRESH WATEll SHELLS 



NOTITH AMERICA. 



PART II. 



PULIIONATA LBINOPHILA AND THALASSOPHILA. 



BY 



W. G. BINNE Y. 



WASHINGTON: 

 SMITHSONIAN INSTITUTION. 



SEPTEMBER, 1S65. 



