. Bulletin - United States National Museum. Science. 204 BULLETIN 140, UNITED STATES NATIONAL MUSEUM GONGYLONEMA INGLUVICOLA Ransom 1904b See Addenda, p. 390, for Gongylonema ingluvicola (?) of Smit and Notosoediro, 1926. Host.—Primary: Gallus gallus; secondary: Unknown, probably coprophagus beetles or other coprophagus arthropods eaten by chickens. Location.—Sewn in the mucous lining of the crop and, occasionally, the undilated portion of the esophagus. Morphology.—Gongylonema (p. 203) : White or yellowish worms. Cuticle annulated. At the anterior end of the body (fig. 274a) is a zone of shie


. Bulletin - United States National Museum. Science. 204 BULLETIN 140, UNITED STATES NATIONAL MUSEUM GONGYLONEMA INGLUVICOLA Ransom 1904b See Addenda, p. 390, for Gongylonema ingluvicola (?) of Smit and Notosoediro, 1926. Host.—Primary: Gallus gallus; secondary: Unknown, probably coprophagus beetles or other coprophagus arthropods eaten by chickens. Location.—Sewn in the mucous lining of the crop and, occasionally, the undilated portion of the esophagus. Morphology.—Gongylonema (p. 203) : White or yellowish worms. Cuticle annulated. At the anterior end of the body (fig. 274a) is a zone of shield-like markings, few and scattered near the head and numerous and arranged in longitudinal rows farther back. Around the excretory pore is a large plate-like shield. On each side of the anterior end of the body is a narrow lateral membrane, which grad- ually becomes narrower posteriorly and disappears. The mouth is small and surrounded by a chitinous collar. The anterior portion. Pig. 274.—Gongylonemna ingluvicola. a, Head ; b, male tail. After Ransom, 1904 of the esophagus is short, slender, and colorless, and the posterior portion is long, thicker, and yellow. Male 17 to 20 mm. long by 224 to 250/* wide. Cuiicular bosses ex- tend for distance of 575 to 680/* from head end. The tail (fig. 2746) has two narrow caudal alae, the right 500 to 736/* long and the left 600 to 800/* long. Genital papillae variable in number and asymmetrical; preanal papillae are 5 to 7 on the left side (Wharton finds 2 to 7) and 4 to 5 on the right (Wharton finds 0 to 7); post- anal papillae are 3 to 4 on the left side (Wharton finds 2 to 5) and 4 on the right (Wharton finds 3 to 5). The cloacal aperture 225 to 275/* from the tip of the tail. Left spicule as long as the body and 7 to 9/* wide, with a barbed point; right spicule 100 to 120/* long by 15 to 20/* wide. Female 32 to 55 mm. long by 320 to 490/* wide. Cuticular bosses extend for distance of to mm. from head end. Anus 165 to


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Keywords: ., bookauthorun, bookcentury1800, bookdecade1870, booksubjectscience