. Animal parasites and parasitic diseases. Domestic animals; Veterinary medicine. PARASITOLOGY. 91 from one-half to three-fourths of an inch in length. The tail of the male is coiled in a spiral manner. This extremity is provided with ^ ^b two unequal spiculae and five anal papillae. (^ The tail of the female is straight and ob- fi^. tuse; the vulva is situated near the ante- Roptera Megastoma, rior third of the body ; the female is ovo- a, Male, viviparous. The head is provided with ^5'female, four thick lips. Animal Iniested.—The horse. Parts Infested—Coridition Produced.—The worms


. Animal parasites and parasitic diseases. Domestic animals; Veterinary medicine. PARASITOLOGY. 91 from one-half to three-fourths of an inch in length. The tail of the male is coiled in a spiral manner. This extremity is provided with ^ ^b two unequal spiculae and five anal papillae. (^ The tail of the female is straight and ob- fi^. tuse; the vulva is situated near the ante- Roptera Megastoma, rior third of the body ; the female is ovo- a, Male, viviparous. The head is provided with ^5'female, four thick lips. Animal Iniested.—The horse. Parts Infested—Coridition Produced.—The worms are found in the stomach of the horse, where they cause tumors ; the larvae find their way into the ducts of the gastric glands, where by their presence they pro- duce sub-mucous tumors; these tumors develop until they are as large as pigeon's eggs and round or oval in shape, and the cavity of the tumor may contain dozens of the worms; an opening communicates with the interior of the stomach. The color of the mucous membrane over the tumor does not differ from that of the remainder of the mucous surface. Injury to Host.—When found usually only one or two tumors are present, and no serious disturbance has been noted. Spiroptera Microstoma (Micro—small; stoma—mouth). Distribution.—Found frequently in the United States and in Europe, "?f Descriptio7i.—ln shape and color this worm resembles the preceding one. The Fig. male is about one-half inch long, the fe- ROPTERA .1 /• 1 Microstoma, male three-fourths. The tail of the male b, Female. IS coiled in a spiral manner; the tail of. 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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Keywords: ., book, bookcentury1900, bookdecade1910, booksubjectdomesticanimals