. Bulletin - United States National Museum. Science. Fig. 376.—Thelazia dacelonis. a, Head end, showing vulva ; b, tail of female; c, tail of male. After Breinl, 1913 Morphology.—Thelazia (p. 311) : Transverse striations of cuticula strongly developed (377a). Buccal cavity 35 to 49/* wide by 28/z deep. Esophagus slightly claviform, about 670 to 740/* long by 42 to 49/* wide. Male 22 mm. long by 400 to 500/* wide. Caudal extremity (fig. 378) curved ventrally. Ten pairs of preanal papillae, 1 unpaired. Fig. 377.—Thelazia lut/.i. Female. a, Head end, showing vulva; b, tail. After Travassos, 1918


. Bulletin - United States National Museum. Science. Fig. 376.—Thelazia dacelonis. a, Head end, showing vulva ; b, tail of female; c, tail of male. After Breinl, 1913 Morphology.—Thelazia (p. 311) : Transverse striations of cuticula strongly developed (377a). Buccal cavity 35 to 49/* wide by 28/z deep. Esophagus slightly claviform, about 670 to 740/* long by 42 to 49/* wide. Male 22 mm. long by 400 to 500/* wide. Caudal extremity (fig. 378) curved ventrally. Ten pairs of preanal papillae, 1 unpaired. Fig. 377.—Thelazia lut/.i. Female. a, Head end, showing vulva; b, tail. After Travassos, 1918 papilla anterior to clpacal aperture; 2 pairs of postanal papillae and 1 unpaired papilla. Spicules unequal and dissimilar; one 740/* long by 7/i wide, the other 190/* long by 35/* wide. Cloacal aperture 85/* from the tail end, the latter obtuse and rounded. Female 25 to 27 mm. long by 500 to 800/* wide. Vulva (fig. 377a) 530/* from head end. salient. Anus 100/* from tail end (fig. 3776), the latter 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 United States National Museum; Smithsonian Institution; United States. Dept. of the Interior. Washington : Smithsonian Institution Press, [etc. ]; for sale by the Supt. of Docs. , U. S. Govt Print. Off.


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Keywords: ., bookauthorun, bookcentury1800, bookdecade1870, booksubjectscience