SMITHSONIAN INSTITUTION 



UNITED STATES NATIONAL MUSEUM 



Bulletin 192 



THE OPERCULATE LAND MOLLUSKS OF THE 



FAMILY ANNULARHDAE OF THE ISLAND 



OF HISPANIOLA AND THE 



BAHAMA ARCHIPELAGO 



BY 



PAUL BARTSCH 





\rii 





UNITED STATES 



GOVERNMENT PRINTING OFFICE 



WASHINGTON : 1946 



For sale by the Superintendent of Documents, U. S. Government Printing Office, Washington 25, D. C. 



Price 75 cents 



