240 



DISEASES DUE TO HELMINTHS 



The testes are much branched and are situated behind the uterus. 



The ovary is trilobate. 



Paragonimus zvcstcrmauii mid the schislosonui are important patho- 

 logical trematodes, causing diseases in man known as Paragonimiasis 

 and Schistosomiasis. 



These will now^ be dealt with in more detail. 



PARAGOXLMIASIS (Endemic Ilccmoplysis). 



DEFINITION. 



The chronic, local or general infection of man b}' P. \\estermanii 

 producing characteristic cystic lesions. 



Schistosoma\Iuxmatobium^ Bil. : male carry- 

 ing the female in the canalis gyncecophorus. 

 12/1. (After Looss.) 



DISTRIBUTION. 



In China, Korea, Japan, Formosa, Philippines, Sumatra. 



THE PARASITE. 



This is the P. westermanii. 



