. Bulletin - United States National Museum. Science. THE OPALIXID CILIATE INFUSORIANS. 191 middle mm., posterior mm.; diameter of micleus mm. to mm. (dimensions of oval nuclei which se€m to be entering. Fig. 159.—Opalina obtrigoxoidea maxima, from Bdfo halophilus, same individual from which were taken the animals shown in figdeb 158. these two piguebs together show the range of form and size in this one infection, x 117 diameters. on mitosis mm. by mm., mm. by mm.) ; eter of endospherule mm. to mm.; cilia line interv terior m
. Bulletin - United States National Museum. Science. THE OPALIXID CILIATE INFUSORIANS. 191 middle mm., posterior mm.; diameter of micleus mm. to mm. (dimensions of oval nuclei which se€m to be entering. Fig. 159.—Opalina obtrigoxoidea maxima, from Bdfo halophilus, same individual from which were taken the animals shown in figdeb 158. these two piguebs together show the range of form and size in this one infection, x 117 diameters. on mitosis mm. by mm., mm. by mm.) ; eter of endospherule mm. to mm.; cilia line interv terior mm. (second specimen mm.), posterior mm. (the second specimen mm.). This infection shows numerous broad individuals and few, if any, so slender as the usual O. ohtrigonoidea. The nu- clei are small and mostly spherical, but some are ellipsoidal, these seemingly being about to enter upon mitosis. Opalina ohtrigonoidea lata^ United States Xational Museum specimen Xo. 16564. Host.—Rana aesopus (Cope), one very abundant infection, from United States Xational Museum specimen diam- al, an-. 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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