TRANSMIGRATIONS AND METAMORPHOSES. 



227 



cephalus. We give in Figs. 58, 59, and 60 representations 

 of this worm in the state of a colony, also the scolex or 



Fig.59,--Bothriocephaluslatus,scolex. 



Fig, 58.— Bothriocephalus latu8. a, scolex, 

 b, the proglottides, c, the sexual organs. 



Fig. 60. — Bothriocephalus latus, 



head separately, and an egg. Its history is very curious, 

 especially with reference to its geographical distribution. 



