. Animal parasites and parasitic diseases. Domestic animals; Veterinary medicine. 96 PARASITOLOGY. group of worms whose heads are provided with three small lips. The body is rather heavy and in the female the tail is long and attenuated. The males are provided with spiculae and two pre-anal papillae, and a rudimentary caudal pouch. The Oxyuridae are not blood suckers. Under the family Oxyuridae is placed the genus Oxyuris. Oxyuris Curvula (Oxys—pointed; oura tail). Synonym.—Pin worm ; maw worm ; curved Oxyuris. Distribution.—Very common in the United States. Description.—The body is whit- ish
. Animal parasites and parasitic diseases. Domestic animals; Veterinary medicine. 96 PARASITOLOGY. group of worms whose heads are provided with three small lips. The body is rather heavy and in the female the tail is long and attenuated. The males are provided with spiculae and two pre-anal papillae, and a rudimentary caudal pouch. The Oxyuridae are not blood suckers. Under the family Oxyuridae is placed the genus Oxyuris. Oxyuris Curvula (Oxys—pointed; oura tail). Synonym.—Pin worm ; maw worm ; curved Oxyuris. Distribution.—Very common in the United States. Description.—The body is whit- ish in color and rather thick ; the head is blunt and is provided with three lips ; the tail of the female is long and attenuated ; the vulva Fig. 30—Oxyuris Cur- . .. , . ,, . ... , , vula (Female). ls located in the anterior third of a. Cephalic extremity, the body. The male is provided b. Caudal extremity. . -,. -. , wi:h a rudimentary caudal pouch and one spicula; the posterior extremity is blunt. male is from one-half to three-fourths inch in length ; the female is from one to one and one-half inches in length ; the female is oviparous. Animals Infested.—The horse, the ass and the mule. Parts Infested.—Throughout the length of the large intestine and the rectum. Condition Produced.—Their presence in large num- bers causes considerable irritation, which results in a catarrhal state. After evacuation of the bowels there is noted a small quantity of thick, whitish fluid around the anus (the prod act of catarrh) which dries. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Kaupp, Benjamin Franklyn, 1874- [from old catalog]. Chicago, A. Eger
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