. Bulletin - United States National Museum. Science. 318 BULLETIN 140, UNITED STATES NATIONAL MUSEUM Morphology.—Thelazia (p. 311) : Anterior end of body abruptly attenuated, apex truncate. Body encircled with cuticular annula- tions with sharply cut posterior borders. Mouth (fig. 381) large, the 6 lobes of the anterior edge of the buccal cavity are small, each with a fingerlike process extending inward from the periphery of the head. Buccal cavity short and wide. Male unknown. Female 8 to 17 mm. long by 40(V wide. Tail straight, abruptly conical, with blunt curved tip. Life history.—Unknown;
. Bulletin - United States National Museum. Science. 318 BULLETIN 140, UNITED STATES NATIONAL MUSEUM Morphology.—Thelazia (p. 311) : Anterior end of body abruptly attenuated, apex truncate. Body encircled with cuticular annula- tions with sharply cut posterior borders. Mouth (fig. 381) large, the 6 lobes of the anterior edge of the buccal cavity are small, each with a fingerlike process extending inward from the periphery of the head. Buccal cavity short and wide. Male unknown. Female 8 to 17 mm. long by 40(V wide. Tail straight, abruptly conical, with blunt curved tip. Life history.—Unknown; probably involves intermediate stages in other hosts. Distribution.—South America (Brazil).. Figs. 380-382.—380, Thelazia papillosa. Head ; front view. After Drasche, 1884. 381, Thelazia anolabiata. Head. After Drasche, 1884. 382, Thelazia (?) cirrdra. Head end, showing vulva. Original THELAZIA (?) CIRRURA (Leidy. 188G) RaiUiet, 1916 Synonym.—Filaria cirrura Leidy, 1886. Hosts.—Primary: Quiscalus major ( = Megaguiscualus major)] !-,econdary: Unknown. Location.—Orbit of eye. Morphology.—Thelazia (?) (p. 311) : Body cylindrical. Anterior extremity conical, rounded. Mouth (fig. 382) a minute funnellike orifice without papillae or internal armature. No buccal cavity. No transverse striations of cuticula. Male 10 mm. long by 375/* wide. Caudal extremity closely rolled inward, conical, blunt, without alae or papillae. Spicules strongly curved. Cloacal aperture prominent. Female 16 mm. long by 500/i wide. Esophagus 863/a long. Cau- dal extremity slightly curved or nearly straight, conical, obtusely rounded. Vulva (fig. 382) about 400ju from anterior end of body. IAfe history.—Unknown; probably involves intermediate stages in other hosts. Distribution.—North America (United States (Florida)).. 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 m
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