. Bulletin - United States National Museum. Science. NEMATODE PARASITES OF BIRDS 53 din, 1845; Heterakis papulosa Railliet, 1885, misdet., not Ascaris papillosa Bloch, 1782 (=Heterakis monticelliana Stossich, 1892) from bustard. Hosts.—Anas boschas domestica, A. tadorna, Anser anser, A. cinereus domesticus, Bonasa sylvestris, Geriomis satyra, Ghenopsis atrata, Ghrysolophus pictus, Golinus virginianus, Gorvus cajanus, Goturnix communis, G. dactylisonans, Gupidonia cupido, Gallus gallus, Grossiptodon manscliuricum, Lagopus mutus, L. scoticus, Meleagris gallopavo, Numida meleagns, Ortyx virginian
. Bulletin - United States National Museum. Science. NEMATODE PARASITES OF BIRDS 53 din, 1845; Heterakis papulosa Railliet, 1885, misdet., not Ascaris papillosa Bloch, 1782 (=Heterakis monticelliana Stossich, 1892) from bustard. Hosts.—Anas boschas domestica, A. tadorna, Anser anser, A. cinereus domesticus, Bonasa sylvestris, Geriomis satyra, Ghenopsis atrata, Ghrysolophus pictus, Golinus virginianus, Gorvus cajanus, Goturnix communis, G. dactylisonans, Gupidonia cupido, Gallus gallus, Grossiptodon manscliuricum, Lagopus mutus, L. scoticus, Meleagris gallopavo, Numida meleagns, Ortyx virginianus, Otis tarda, O. tetrax, Pavo cristatus, Perdix cinerea, P. cotumix, P. perdix, P. saxatilis, Phasianus colcliicus, P. gallus, P. nycthemerus, P. pictus, P. veneratus, P. versicolor, Tadorna tadorna, Tetrao bonasia, T. lagopus, T. urogallus. The specimens from Otis tarda are probably Heterakis papillosa (Bloch, 1782).. Figs. 6o-67. -Heterakis galmnae. 65, Male tail, lateral view ; 66, ventral view ; g7, female tail. after , 1917 Location.—In cecum, usually; in small intestine, colon and rectum, rarely. Morphology.—Heterakis (p. 50) : Small, rigid, white worms, the head end bent dorsally from the region of the esophageal bulb. Mouth with 3 small, equal lips without teeth and each with 2 papillae, according to Lane. Two narrow lateral membranes extend almost the entire length of the body. Esophagus with 6 longitudinal rows of transversely placed chitinous rods and with a well-developed bulb. Male 7 to 13 mm. long. The straight tail (figs. 65 and 66) termi- nates in a subulate point and has 2 large lateral bursal wings. Cloa- cal aperture 450/x from caudal extremity. There are 12 pairs of papillae and a well-developed preanal sucker 60 to 75//. in diameter with strongly chitinized wralls (figs. 66 and 78) ; there is a small semicircular incision in the posterior margin of the wall of the sucker. Four pairs of papillae are between the cloacal aperture and the end of th
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