PARASITIC DISEASES. 339 



infusoria usually abound, and special attention has been paid 

 by Leuckart to the occurrence of Paramsecium coli in the 

 colon of the pig. Leuckart has found the parasite very con- 

 stantly and in large quantities in the alimentary canal of 

 this animal, and has been inclined to regard its occurrence 

 in man as the result of accidental transmission from the 



Pig- 



Various infusoria have been occasionally seen in putrid 

 discharge from suppurating wounds. 



Worms are classified into tape and cystic worms, sucking 

 worms, and round ones, as follows : 



Cystocestoid Worms. Bladder and Tape Worms. 

 A. 



I. T^ENIA MEDIOCANNELLATA of man. 



Cystic form in muscles of ox. 

 n. T^NIA SOLIUM of man. 



Cystic form is the measle or cysticercus cellulosse of the pig. 



III. T.ENIA SERRATA of dog. 



Cystic form is the cysticercus pisiformis of the rabbit. 

 iv. T^NIA CCENURUS of dog. 



Cystic form is the ccenurus cerebralis of cattle and sheep. 



V. T.ENIA ECHINOCOCCUS of dog. 



Cystic form is echinococcus hominis s. veterinorum of man and 

 animals. 



VI. T.ENIA CUCUMERINA of dog. 



Cystic form is C. cucumerinus of rabbit. (Cobbold). 



Vn. T^XIA MARGINATA of dog. 



Cystic form is the cysticercus tenuicollis in the sheep, pig, &c. 

 vin. T.EXIA CRASSICOLLIS of the cat. 



Cystic form is cysticercus fasciolaris of the rat and mouse. 



Tapeworms whose cystic forms are as yet unknown: 

 IX. T^NIA NANA of man. 



X. T^EXIA EXPANSA of the ox, sheep, gazelle, chamois, &c. 

 XT. T^NIA DENTICULATA of the ox in France and Germany. 

 xii. T,ENIA PLICATA of the small intestine and even stomach of the horse. 

 Xiu. T.ENIA MAMILLANA of the large intestine of the horse. 



