CONTRIBUTIONS 



TO THE 



TERTIARY FAUNA OF FLORIDA 



WITH ESPECIAL REFERENCE TO THE 



SILEX BEDS OF TAMPA AND THE PLIOCENE 

 BEDS OF THE CALOOSAHATCHIE RIVER 



INCLUDING IN MANY CASES 



A COMPLETE REVISION OF THE GENERIC GROUPS TREATED OF AND 

 THEIR AMERICAN TERTIARY SPECIES 



BY 



WILLIAM HEALEY DALL, A.M. 



I'AIIDNTDLOGIST TO THE UNITED STATES GEOLOGICAL SURVEY; HONORARY PROFESSOR OF INVERTEBRATE 

 PALEONTOLOGY IN WAGNER FREE INSTITUTE OP SCIENCE 



PART IV. 



I. PRIONODESMACEA : NUCULA TO JULIA 

 II. TELEODESMACEA : TEREDO TO ERVILIA 



