. Bulletin - United States National Museum. Science. Fig. 379.—Thelazia stereura. Female, u, Head end, showing vdlva ; b, tail. After Skrjabin, 1922 but leave a smooth area there; the lateral lines end at the level of the anus. Male 12 to 15 mm. long by 800/x wide. Tail coiled once spirally; no caudal alae. Posterior extremity extended into a short appendage with knob like end. Two unequal spicules; the short one styloid, with a sharp point, and the long one filiform. Schneider states that there are more than 4 pairs of preanal papillae. Female 12 to 18 mm. long by 1 mm. wide. Two lateral cerv
. Bulletin - United States National Museum. Science. Fig. 379.—Thelazia stereura. Female, u, Head end, showing vdlva ; b, tail. After Skrjabin, 1922 but leave a smooth area there; the lateral lines end at the level of the anus. Male 12 to 15 mm. long by 800/x wide. Tail coiled once spirally; no caudal alae. Posterior extremity extended into a short appendage with knob like end. Two unequal spicules; the short one styloid, with a sharp point, and the long one filiform. Schneider states that there are more than 4 pairs of preanal papillae. Female 12 to 18 mm. long by 1 mm. wide. Two lateral cervical spines. Buccal cavity 51/* deep by Q8/x wide in large specimens. Esophagus 34(V long. Tail (fig. 379&) straight, acutely conical, prolonged into a styloid appendage with a rounded knoblike end;. 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
