PARASITES OF ANIMALS. 



INTERNAL PARASITES OF SHEEP. 



65 



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. coenurm Kuch. Young or encysted state in large tumors 

 in the brain, adult in dog ; common. 



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

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



TREMATODES. 



Fasciola Jiepatiea Linn. Liver and bile ducts. 

 Distoma lanceolatum Mehlis. Bile ducts. 

 Ampkistoma conicum Rud. First stomach. 



NEMATODES. 



Ascaris ovis Rudolphi. Intestine ; rare. 

 Trichocephalus ovis (affinisf). Large intestine ; common. 

 Sclerostoma hypostomum Dujadin. Intestine. 

 Strongylus contortus Rud. Small intestine. 

 S. filicollis R,ud.. 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. mediocanellata Kiich. Young or cysticercus state in mus- 

 cles, adult in man ; common. 

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