. Bulletin - United States National Museum. Science. 5mm Pigs. 118-120.—118, Ascaridia circulahis. Male tail. After Linstow, 1903. 119 Ascaridia columbae. Male tail, a, Ventral view ; 8, side view. After Johnston 1918. 120, Ascaridia compar. Male tail. After Linstow, 1899 Male 31 mm. long by 790/a wide. Esophagus 1/17, tail 1/48 of total length. Preanal sucker large. Eight pairs of large papillae (fig. 118), of which 3 are preanal, 5 postanal. Spicules mm. long. Female 52 mm. long by mm. wide. Esophagus 1/14, tail 1/67 of total length. Vulva slightly anterior to middle, dividing body
. Bulletin - United States National Museum. Science. 5mm Pigs. 118-120.—118, Ascaridia circulahis. Male tail. After Linstow, 1903. 119 Ascaridia columbae. Male tail, a, Ventral view ; 8, side view. After Johnston 1918. 120, Ascaridia compar. Male tail. After Linstow, 1899 Male 31 mm. long by 790/a wide. Esophagus 1/17, tail 1/48 of total length. Preanal sucker large. Eight pairs of large papillae (fig. 118), of which 3 are preanal, 5 postanal. Spicules mm. long. Female 52 mm. long by mm. wide. Esophagus 1/14, tail 1/67 of total length. Vulva slightly anterior to middle, dividing body in ratio of 12G: 129. Eggs 73/i, long by 42^ wide. Life history.—Probably similar to that of A. galli (p. 82). Distribution.—Asia (Siam). ASCARIDIA COLUMBAE (Gmelin, 1790) Travassos, 1913 Synonyms.—Ascaris columbae Gmelin, 1790; Ascaris maculosa lludolphi, 1802; Heterakis maculosa Schneider, 1866; Heterakis columbae (Gmelin, 1790) Railliet, 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
