PARASITES OF ANIMALS. 65 



INTERNAL PARASITES OF SHEEP. 



CESTODES. 



« 



Tcenia expansa Rud. Mature, in small intestine. 



Tcenia. (Undetermined species with hooks.) In cysticercus 

 state in muscles. 



T. marginata Batsch. Young or cysticercus state in viscera, 

 adult in dog ; common. 



T. coenurus Kuch. Young or encysted state in large tumors 

 in the brain, adult in dog ; common. 



T. eehinocoecus Siebold. Young or hydatid condition in liv- 

 er, lungs, brain, and other organs, adult in dog ; common. 



TREMATODES. 



Fasciola Jiepalica Linn. Liver and bile ducts. 

 Distoma lanceolatum. Mehlis. Bile ducts. 

 Amphistoma conicum Rud. First stomach. 



NEMATODES. 



\4scam oyzs Rudolphi. Intestine; rare. 

 Triehocephalus ovis (affinis ?^ . Large intestine ; common. 

 Sclerostoma hypostomum Dujadin. Intestine. 

 Strongylus contortus Rud. Small intestine. 

 S. filicollis Rud. Small intestine. Perhaps same as last. 

 S. filaria Rud. Trachea and bronchial tubes ; common ; also 

 in the goat. 



ACARINA. 



Pentastoma tcenioides Rud. Larynx, nostrils, etc. 



The goat is infested by many of the parasites found in 

 sheep. Besides these, there are a few peculiar species ; 

 among them are Tcenia caprce and Strongylus venulosus Ru- 

 dolphi, both found in the intestine. 



INTERNAL PARASITES OF CATTLE. 



CESTODES. 



Tcenia expansa Rudolphi. Intestine, mature ; not common. 

 T. denticulata Rud. Intestine, mature ; rare. 

 T. medioeanellata Kiich. Young or cysticercus state in mus- 

 cles, adult in man ; common. 

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