CONTRIBUTIONS 



Tertiary Fauna of Florida, 



WITH ESPECIAL KKFKKENCE TO THE 



MIOCENE SILEX-BEDS OF TAMPA 



AND THE 



PLIOCENE BEDS OF THE CALOOSAHATCHIE RIVER. 



WILLIAM HEALEV DALL, A. M., 

 Paleontoloirisl to the U. S. Gco/oHcal Survey. 



PART II. 



STREPTODONT AND OTHER GASTROPODS, 

 CONCLUDED. 



