. Annual report of the Board of Regents of the Smithsonian Institution. Smithsonian Institution; Smithsonian Institution. Archives; Discoveries in science. CROCODILIANS, LTZARDS, AND SNAKES. 863 at one time thought to be allied to Pitijophis \n view of the presence of the two characters in (question, but the absence of the epiglottis aud undivided prefrontals show that it is distinct. There are several minor characters, not generic, which show that its affinities are not with the species of Pityophis. Such are the peculiar forms of the inferior labial, prenasal, and loreal plates, and the very
. Annual report of the Board of Regents of the Smithsonian Institution. Smithsonian Institution; Smithsonian Institution. Archives; Discoveries in science. CROCODILIANS, LTZARDS, AND SNAKES. 863 at one time thought to be allied to Pitijophis \n view of the presence of the two characters in (question, but the absence of the epiglottis aud undivided prefrontals show that it is distinct. There are several minor characters, not generic, which show that its affinities are not with the species of Pityophis. Such are the peculiar forms of the inferior labial, prenasal, and loreal plates, and the very fine bristle-like spicules of the hemii)enis, in the American species at least. Two species are known, which differ as follows: Scales in from 27 to 31 rows. Tail less than one-sixth the length. Brownish gray, with numerous transverse brown dorsal spots, with alternating lateral spots. E. elegans. Scales 25-29. Tail more than oue-sixth th«i length. Adult with a pair of brown 8trii)e8 . R- scalaris. RHINECHIS ELEGANS Kennicott. Rhinechia elegans Copk, Proc. Amer. Phil. Soc, 1885, p. 284. Arizona elegans Kenxicott, U. S. Mex. Bound. II, 1859, Reptiles, p. 18, pi. 13. PiUiophis elegann Cope, Check-list N. Amer. Rept., 1875, p. 39. Form of moderate robustness; head moderately distinct; tail short, between one sixth and one-seventh the total length. Scales in from. 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 Smithsonian Institution. Board of Regents; United States National Museum. Report of the U. S. National Museum; Smithsonian Institution. Report of the Secretary. Washington : Smithsonian Institution
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