TREMATODE, OR SUCKING WORMS. 343 



Trematode, or Sucking Worms. 



i. GENUS MONOSTOMA. 



Species. Monostomum leporis, attacking the rabbit, and found in 



the peritoneal cavity, 

 n. GENUS DISTOMA. 



Species a. Distomum haepaticum. This parasite attacks ruminants 

 principally, but it has also been found in the horse, 

 ass, pig, rabbit, and man, in addition to many wild 

 animals. 



6. Distoma lanceolatum of domestic ruminants, besides 

 the pig, cat, and rabbit. Found in the biliary ducts, 

 in. GENUS HOLOSTOMUM. 



Species. Holostumum alatum of the dog. Found in the intestine, 

 iv. GENUS AMPHISTOMUM. 



Species a. Amphistomum conicum of the ox and sheep. Met with 

 in the stomachs. 



b. Amphistomum crumeniferum of the ox. 



c. Amphistomum explanatum of the ox. Found in the liver. 



d. Amphistomum truncatum of the cat. 



Aranthocephalis, or Armed Worms. 



GENUS ECHINOCHTNCUS. 



Species. Echinochyncus gigas of the pig; found in the- intestine. 



Aconthotheci. 

 GENUS PENTASTOMUM. 



Species a. Pentastomum constrictum of ruminants and man. 



6. Pentastomum taenioides of the dog, horse, mule,, sheep, 

 &c. Found in the frontal and ethmoidal sinuses. 



MEASLES IN THE PIG. SCALESIASIS; CACHEXIA HYDATI- 

 GENA; LADRERIE, FR.; FINNEN-KRANKHEIT, GERM. 

 T^ENIA SOLIUM IN MAN. 



This disease of swine has been entirely overlooked by 

 veterinarians in this country, and it has been only since the 

 researches of V. Siebold and Kuchenmeister that British 

 physicians have ascertained the frequent existence of parasites 



