100 PARASITOLOGY. 
been known to ascend to the abomasum, 
Animal Intested.—Principally calves. 
Parts Intested.—Small intestines. 
Symptoms.— Large numbers cause unthriftiness and 
are said to produce colic and even inflammation of 
the mucous membrane of the intestine. 
Treatment.—Same as for horse; the dose should 
vary with the size and age of the animal; the physic 
should consist of from one-half to two pounds of 
Epsom salts. 
AscaRis Ovis (Ovis—sheep). 
Distribution.—Found in Europe; rare in America. 
Description.—The head is small and provided with 
three lips with denticulated borders. The upper lip 
is furnished with two small papillae; the remaining 
lips have only one papilla each. The parasite is 
yellowish white in color; is oviparous; is attenuated 
at both ends. The male is four to six inches long; 
the female six to eight inches. 
Animal Intested.—Sheep. 
Parts Infested.—Small Intestines. 
Symptoms.—Similar to those in calves. 
Treatn.ent.—Similar to that for calves. 
