PARASITES OF ANIMALS. 65 
INTERNAL PARASITES OF SHEEP. 
_ CESTODES. 
Tenia expansa Rud. Mature, in small intestine. 
Tenia. (Undetermined species with hooks.) In ecysticercus 
state in muscles. 
T. marginata Batsch. Young or cysticercus state in viscera, 
adult in dog; common. 
T. cenurus Kuch. Young or encysted state in large tumors 
in the brain, adult in dog; common. 
T. echinococcus Siebold. Young or hydatid condition in liv- 
er, lungs, brain, and other organs, adult in dog ; common. 
TREMATODES. 
Fasciola hepatica Linn. Liver and bile ducts. 
Distoma lanceolatum Mehilis. Bile ducts. 
Amphistoma conicum Rud. First stomach. 
NEMATODES. 
Ascaris ovis Rudolphi. Intestine ; rare. 
Trichocephalus ovis (affinis ?). Large intestine ; common. 
Sclerostoma hypostomum Dujadin. Intestine. 
Strongylus contortus Rud. Small intestine. 
8. filicollis Rud. Small intestine. Perhaps same as last. 
S. filaria Rud. Trachea and bronchial tubes ; common ; also 
in the goat. 
ACARINA. 
Pentastoma tentoides Rud. Larynx, nostrils, ete. 
The goat is infested by many of the parasites found in 
sheep. Besides these, there are a few peculiar species; 
among them are Tenia capre and Strongylus venulosus Ru- 
dolphi, both found in the intestine. 
INTERNAL PARASITES OF CATTLE. 
CESTODES. 
Tenia expansa Rudolphi. Intestine, mature ; not common. 
T. denticulata Rud. Intestine, mature ; rare. 
T. mediocanellata Kiich. Young or eysticercus state in mus- 
cles, adult in man ; common. 
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