. Bulletin - United States National Museum. Science. Figs. 102-103.—Heterakis valvata. 102, Male tail. After Travassos, 1913. 103, Male tail. After Schneider, 1860 Female 12 to 15 mm. long. Vulva slightly posterior to middle of body, with 2 papilliform projections just below it. Anus 780/* from posterior end. Eggs 74/* long by 37/* wide. Life history.—Probably similar to that of II. gallinae (p. 54). Distribution,—South America (Brazil). (?) HETERAKIS VALDEMUCRONATA (Molin, 1860) Stossieh, 1887 Synonym.—Ascaris valdemueronata Molin, 1860. Hosts.—Ciconia maguari and Euxenura maguari. Location.—
. Bulletin - United States National Museum. Science. Figs. 102-103.—Heterakis valvata. 102, Male tail. After Travassos, 1913. 103, Male tail. After Schneider, 1860 Female 12 to 15 mm. long. Vulva slightly posterior to middle of body, with 2 papilliform projections just below it. Anus 780/* from posterior end. Eggs 74/* long by 37/* wide. Life history.—Probably similar to that of II. gallinae (p. 54). Distribution,—South America (Brazil). (?) HETERAKIS VALDEMUCRONATA (Molin, 1860) Stossieh, 1887 Synonym.—Ascaris valdemueronata Molin, 1860. Hosts.—Ciconia maguari and Euxenura maguari. Location.—Proventriculus. Morphology.—? Heterakis (p. 50) : Head with alae: mouth with 3 lips. Body attenuated anteriorly. Male 7 mm. long. Posterior extremity bent, acutely conical, with long mucron. Anterior to the cloacal aperture a depression with saucer-shaped muscular sucker. Female 12 mm. long by 200/* wide. Posterior extremity obtuse, with 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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