SCHISTOSOM1D.E 



37 



are prominent, and the intestine is similar to that of the 

 male. The worms living in contact, the female enfolded 

 in the gynaecophoric canal of the male, are found in the 

 blood-vessels (veins) in the portal circulation. 



FIG. 19. Schistosomum hcematobium, Bilh. 1 2/1. Male contains the- 

 female in the canalis gynsecophorus. (After Looss.) 



The eggs are discharged from the uterus of the female,, 

 and differ from those of the other trematodes in that 

 there is no operculum. They are armed with a single 

 sharp spine, as in most of the Schistosomidce. They pass out 



