42 



BRANCH NEMATHELMINTHES 



embr- 



Fig. 32.^ — Larvae of TrichineUa spiralis in mus- 

 cle, not yet encysted; enlarged. (Leuckart.) 



Fig. 33. — Piece of pork showing larva; of 

 TrichineUa spiralis encysted in the muscle- 

 fibers; natural size. (Ostertag.) 



Fig. 31. — TrichineUa 

 spiralis. Adult female, 

 showing embryos, emh., in 

 uterus; gp., genital o])en- 

 ing through which th(> 

 embryos are discharged; 

 enlarged. (Leuckart.) 



Fig. 34.— Encysted larva of TrichineUa spira- 

 lis; enlarged. (Leuckart.) 



