. Bulletin - United States National Museum. Science. 210 BULLETIN 120, UNITED STATES NATIONAL MUSEUM. Measureme7its of a good-sized individual with 233 nuclei.—Length of body mm.; width of body mm.; thickness of body mm.; diameter of nucleus mm. to mm.; diameter of en- dosphenile mm.; cilia line interval, anterior mm., pos- terior mm. The broadest individuals of these infections seem almost ranm^wny- like in form, but others are more slender, approaching some of the shorter forms among the ohtrigona-Wk^ species. It seems a distinct species, but
. Bulletin - United States National Museum. Science. 210 BULLETIN 120, UNITED STATES NATIONAL MUSEUM. Measureme7its of a good-sized individual with 233 nuclei.—Length of body mm.; width of body mm.; thickness of body mm.; diameter of nucleus mm. to mm.; diameter of en- dosphenile mm.; cilia line interval, anterior mm., pos- terior mm. The broadest individuals of these infections seem almost ranm^wny- like in form, but others are more slender, approaching some of the shorter forms among the ohtrigona-Wk^ species. It seems a distinct species, but not very sharply demarcated from related Fig. 180.—Opalina copei, from Rana copei : a, magnified 460 diameters ; b and c, SAMPLE animals SHOWING THE RANGE OF SIZH AND FORM IN EACH OP TWO INFECTIONS, X 117 DIAMETERS. Ojmlina copei^ United States National Museum specimen No. 16587 (fig. 181, p. 211). Host.—Rana pretiosa Baird and Girard, three good infections, from Montana. The type infection is from United States National Museum specimen No. 17588, 72 mm. long, from Elliston, Montana, July 21, 1891; B. W. Evermann, collector. Measurements of a large individual.—Length of body mm.; width of body mm.; thickness of body mm.; diameter of nucleus mm. to mm.; diameter of endospherule mm.; cilia line interval, anterior mm., posterior mm. Though these infections are from a different species of host and from a very different locality, they seem to belong to Opalina 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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