SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOLUME 81. NUMBER 15 



(End of Volume) 



ARTHROPODS AS INTERMEDIATE HOSTS 

 OF HELMINTHS 



BY 

 MAURICE C. HALL 



Chief, Zoological Division, Bureau of Animal Industry, U. S. Department of Agriculture 



(Publication 3024) 



CITY OF WASHINGTON 



PUBLISHED BY THE SMITHSONIAN INSTITUTION 



SEPTEMBER 25, 1929 



