TAPE WORMS. 



155 



both that author and Kiichenmeister succeeded in developing a 

 species of Tcenia in the dog from the Ccenurus cerebralis of sheep, 

 which the latter distinguishes by the name of Tcenia camurus. 

 For all common purposes, however, the tape-worm in the dog 



Taenia serrata. 



may be described as consisting of two species only, T. serrata and 

 T. cucumerina. Tcenia serrata, as met with in its fully developed 

 state, consists of a head (scolex) surmounting a series of whitish 

 joints (strobila). Each of these joints (proglottis\ when fully 



