I. 



DIAGNOSES 



NEW SPECIES OF MOLLUSKS, 



THE WEST TROPICAL REGION OF NORTH AMERICA, 



PRINCIPALLY COLLECTED BY THE REY. J. ROWELL, OF SAX ERANGISGO 



BY 



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



From the Proceedings of the Zoological Society of London, pj). 273-282, 

 March 14, 1865. 



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