. Bulletin - United States National Museum. Science. 266 BULLETIN 33, UNITED STATES NATIONAL MUSEUM. this point, and forming a regular curve with the i^ostorbital ridge. No braucli crests. A very short robust supratynipanic crest, a short narrow precrbitalcrest. Tympanic disk large, round, its diameter three-fourths the length of the eye-fissure. Tongue elongate-obo vate; truncate poste- riorly. Border of eyelids thickened, presenting an angle at each ex- tremity, anterior and Fig. 62. Bitfo alvarius. No. 2572. Fort Yuma, Cal.; J. Measurements. M. Length of head and bofly 165 Lengt
. Bulletin - United States National Museum. Science. 266 BULLETIN 33, UNITED STATES NATIONAL MUSEUM. this point, and forming a regular curve with the i^ostorbital ridge. No braucli crests. A very short robust supratynipanic crest, a short narrow precrbitalcrest. Tympanic disk large, round, its diameter three-fourths the length of the eye-fissure. Tongue elongate-obo vate; truncate poste- riorly. Border of eyelids thickened, presenting an angle at each ex- tremity, anterior and Fig. 62. Bitfo alvarius. No. 2572. Fort Yuma, Cal.; J. Measurements. M. Length of head and bofly 165 Length of head including tympana 036 Width of head, iuchiding tympana 060 Length of fore Jimb from axilla 078 Length of fore-foot 034 Length of hind leg 051 Length of tibia 053 Length of tarsus 033 Length of rest of foot •. „ .053 Parotoid gland a long oval, with parallel sides, descending from the usual commencement above the tympanum to a position above the pos- terior edge of the humerus, and nearly on a level with the posterior border of the memhranum tympani. Dorsal integument with rather sparse small tubercles. A huge oval gland on the superior face of the. 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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