T^ENIA SOLIUM. 



worm consists of a small head attached by a short neck to 

 a relatively large bladder. 



FlG. 100. Life history of Tania solium. After Leuckart. 



i. Six-hooked embryo in egg-case ; 2. proscolex or bladder-worm 

 stage, with invaginated head ; 3. bladder-worm with evaginated 

 head ; 4. enlarged head of adult, showing suckers and hooks ; 

 5. general view of the tape-worm, from small head and thin 

 neck to the ripe joints ; 6. a ripe joint or proglottis with 

 branched uterus (cf. Fig. 99) ; all other organs are now lost. 



When man unwittingly eats " measly " pork that is, pork 

 infested with bladder-worms an opportunity for further 



