8? 



differs, forming from a single embryo large masses of cysts, which con- 

 tain many individuals capable of becoming adult. Its favorite situa- 

 tions in slieep are the liver and lungs. It may occur elsewhere. In 

 these places it forms large bladdery masses, whose nature can only be 

 definitely determined by the aid of the microscope. As this parasite is 

 also dangerous to man the bladders should be handled with care, and 

 destroyed. The treatment of dogs is the same as for the other twnia. 

 ToBnia tenella, Cobbold (Plate XI, Figs. 5 and 6), which causes tnut- 

 ton measles, is a tape-worm of man, and is supposed to be acquired by 

 him while eating mntton through which the c2/s:ticem have scattered. 

 The disease has not yet been noticed in this country, and having been 

 observed but seldom in Europe, is yet problematical. Mutton af- 

 fected would present little white spots as large as flaxseed scattered 

 through it. The loin muscles are most apt to be infected. Ifeither 

 this disease nor hydatids can at present be accounted a disease of sheep 

 in this country. 



