674 



DEFINITION OF THE BOTHKIOCEPHALID^. 



Family II. — Botheiocephalid^. 



The head is egg-shaped and flattened, sometimes in the same direction 

 as the body, and then hut slightly marked off from the latter ; at other 

 times in the opposite direction ; with two longitudinal, more or less deep 



Fig. 350. 



Fig 351. 



a 





Fig. 352. 



Fig. 350. — Bothriocephalus cordatus of man (nat. size.) 



Fig. 361.— Free swimming embryo of Bothriocephalus latin. ( x 500.) 



Fig. 352. — Larva of a Bothriooephalm from theiskink. ( x 20.) 



suctorial grooves, which lie opposite to each other on the flat side of the 

 chain, hut are devoid °.^l^^^<§^lf^^^ljf(^re. . Similarly, the hooks, 



