20 



TROPICAL MEDICINE AND HYGIENE 



but usually sinuous. The acetabulum is very large and 

 deep. Three species have been described in the human 

 intestine. 



Vs. 



FIG. 6. Fasciola hepatica, L. 7. , intestine; Kr., vitelline sacs; Ov. t 

 ovary; O, oral aperture; //., uterus ; S, ventral sucker; T, testes. (After 

 Claus.) 



Fasciolopsis mthouisi.ln this species the testes are 

 side by side, and the worm is broad in proportion to its 

 length, 1 6 by 25 mm. It is a rare parasite ; it occurs in 

 the intestines, and has been found only in China. A 

 redescription of the types shows that the testicles are 

 really behind each other and not arranged side by side 

 as in the original description from which fig. 7 is taken. 

 Possibly it is the same as F. buski. 



