SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOLUME <?5, NUMBER 5 



MOLLUSCAN INTERMEDIATE HOSTS OF THE 



ASIATIC BLOOD FLUKE, SCHISTOSOMA 



JAPONICUM. AND SPECIES CONFUSED 



WITH THEM 



(With Eight Plates) 



BY 



PAUL BARTSGH 



Curator of Mollusks and Cenozoic Invertebrates, 

 U. S. National Museum 



(Publication 3384) 



CITY OF WASHINGTON 



PUBLISHED BY THE SMITHSONIAN INSTITUTION 



MAY 11, 193 6 



