. Bulletin - United States National Museum. Science. Fig -cosmocbphalus aduncds. «, ilead exd ; b, male tail. after Stossich, 1892 Hosts.—Primary: Actitis hypoleucus, A. macularia, Alca torda, Gatorrhactes pachyrhynchus (new record), Larus argentatus, L. argentoides, L. canus, L. fuscus, L. marinus, L. maximus, L. medius, L. ridibundus, Mergus se?vator, Puffinus kuhli, /Sterna arctica, S. lisoria, Totanus hypoleucus, T. maculatus, T. fuscus, Ttingoides hy poleucus, Uria grylle; secondary: Unknown. Location.—Esophagus. Morphology.—Cosmocephalus (p. 233) : Cordons (fig. 298 a and b) scallo


. Bulletin - United States National Museum. Science. Fig -cosmocbphalus aduncds. «, ilead exd ; b, male tail. after Stossich, 1892 Hosts.—Primary: Actitis hypoleucus, A. macularia, Alca torda, Gatorrhactes pachyrhynchus (new record), Larus argentatus, L. argentoides, L. canus, L. fuscus, L. marinus, L. maximus, L. medius, L. ridibundus, Mergus se?vator, Puffinus kuhli, /Sterna arctica, S. lisoria, Totanus hypoleucus, T. maculatus, T. fuscus, Ttingoides hy poleucus, Uria grylle; secondary: Unknown. Location.—Esophagus. Morphology.—Cosmocephalus (p. 233) : Cordons (fig. 298 a and b) scalloped on inner edge, the course of the cordons sinuous; originating in the dorso-ventral lines directly behind the mouth, they first run posteriorly for a short distance, then loop forward again, then form a second curve to gain their posteriorly directed course; considerably farther posteriorly they form a third curve, running anteriorly in the lateral fields, and then anastomosing in pairs; (he cuticle is somewhat raised at the level of the second curve. Lateral papillae bicuspid, at the level of the origin of the muscular esophagus; posterior to these 2 papillae there are 2 lateral alae, finely striated transversely, extending to the posterior end of the esophagus. Mouth. 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