. Bulletin - United States National Museum. Science. 180 BULLETIN 120, UNITED STATES NATIONAL MUSEUM. single infection, and by the small size of its nuclei. Note also the small endospherules in the list of measurements. Opalina ohtrigoTioidea, United States National Museum No. 16581. Host.—Scaphiopus solitarius Holbrook, numerous living infec- tions from Raleigh, North Carolina, September, 1908; H. H. and C. S. Brimley, collectors. Measurements of an ordinary iiidividual.—Length of body mm.; width of body mm.; thickness of body, anterior, mm., middle mm., posterior


. Bulletin - United States National Museum. Science. 180 BULLETIN 120, UNITED STATES NATIONAL MUSEUM. single infection, and by the small size of its nuclei. Note also the small endospherules in the list of measurements. Opalina ohtrigoTioidea, United States National Museum No. 16581. Host.—Scaphiopus solitarius Holbrook, numerous living infec- tions from Raleigh, North Carolina, September, 1908; H. H. and C. S. Brimley, collectors. Measurements of an ordinary iiidividual.—Length of body mm.; width of body mm.; thickness of body, anterior, mm., middle mm., posterior mm.; diameter of nucleus mm.; cilia line interval, an- terior mm., middle mm., posterior riG. 145.—Opalina obtrigonoidea, from BUFO PUNCTATDS, X 117 DIAMETERS. Opalina ohtrigonoidea, United States National Museum specimen No. 16541. Host.—Bufo punctatus Baird and Girard, one abundant in- fection, in United States National Museum specimen No. 26159, 41 mm, long, from Guanajuato, Mexico; A. Duges, collector. Measurements of a large individual. — Length of body mm.; width of body mm.; thickness of body mm.; diam- eter of nucleus mm. to mm.; cilia line interval, anterior mm., middle mm., posterior mm. Opalina ohtrigonoidea., United States National Museum No. 16542. Host. — Hyla fe^noralis Daudin, four infections from Georgia. The speci- men deposited in the United States National Museum is from United States National Museum specimen No. 5908, 32 mm. long, from Eice- boro, "May or June"; LeConte, 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


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