Fig. 153- Diagram of reproductive and nervous system of Fasciola hepatica, 

 X about 8. From Leuckart. M. mouth ; ph. pharynx ; n. nerve ring ; In.n. chief 

 longitudinal nerve; al. beginning of alimentary canal; p. opening of penis; 

 ves.sm. vesicula seminalis ; ut. uterus ; ov. ovary ; sh.gl. shell gland ; a.t. anterior 

 testis; pt.t. posterior testis ;>;. 5'/. yolk glands; vas de. vas deferens. 



13-2 



