VARIOUS FOliMS OF TAPEWORMS. 



57 



embryos form small watery cysts about the size of peas, especi- 

 ally in the loins, and give rise to the disease in pigs known as 

 " measles." From ten to twenty thousand cysts (fig. 15, c) have 

 been counted in one pig. Should this "measly pork," which is 

 condemned in the markets, be eaten by man, each one of those 

 cysts will become converted into the obnoxious human pest. 



• — C 



Fig. 15. — Fragmekt of Measly Pork. 

 c, Cy Cysticerci ; v, alveolus, from which a bladder-worm has been taken. Railliet. 

 (From Par. Dis. Ani., Neumann.) 



Tmnia solium. The cystic stage is also said to be found in 

 man in his eyes, brain, and muscles. The disease is still 

 persistent in some Continental districts and in Ireland ; but, 

 owing to our more sanitary ways of living, its effects are being 

 less felt than formerly. It is a disease that has been observed 

 for a very long period, being well known, although not under- 

 stood, by the ancients. 



