238 DISEASES DUE TO HELMINTHS 



Fasciolopsis huski, a large trematode, 24 to 70 mm. long, is not 

 uncommon in men and pigs. 



It is prevalent in the south of China and other places. 



The intestinal c^eca which extend tO' the posterior are not 

 branched. 



The cirrus is very long, being one quarter the length of the worm. 



The testes are branched and are situated below the ovary. 



The worms cause dysentery and diarrhoea. 



^/s. 





,va>;^-;. , 



('/. 1^ 



/ ! 



A: :, g — — -n*?^: 'C.f. 



■Mr'r*r V '- , -* 



m 

 i->^'- 



S.z. 



fitV^./'3. : ■ 



7. 



''iw' 





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Fasciolopsis buski. Lank. V.s. , ventral 

 sucker; C.p., cirrus pouch; /., intestinil 

 fork; S.V., viiellaria : T., testes; O., 

 ovary; Ms., sucker; Skg., shell ^land ; 

 Ut., uterus. Magnified. (After Odhner.) 



Opisthorchis felineus has been found in the bile ducts of man,, 

 causing inflammation thereof, with atrophy of the liver, jaundice and 

 ascites. 



The eggs containing a ciliated miracidium are expelled in the faeces. 



These parasites are more commonly found in the gall-bladder and 

 bile-ducts of dogs and cats. 



The intestinal c^ca are imbranched. 



The testes are lobulated and are situated the one behind the other. 



