. Reports of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean . U 3 P R R Exp a. Surveys, BB^* 39* 4ist Parajlels Birds Pla-teXXXV. No. ON REPTILES COLLECTED ON THE SURVEY. BY S. F. BAIKD. SCELOPORUS GRACIOSUS, B. & a. Scdoporus graciosus, B. & G. Pr. A. N. So. VI, April, 1852, 69.—Ib. .Stansbury, Great Salt Lake, 1852, 34G; pi. V, fig. gracilis, B. &. G. Pr. A. N. Sc. Oct. 1852, 175.—Girard, Herp. U. S. Ex. Ex. 1858. 2842. Valley of Salt Lake City. ? SCELOPORUS OCCIDENTALIS, B.
. Reports of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean . U 3 P R R Exp a. Surveys, BB^* 39* 4ist Parajlels Birds Pla-teXXXV. No. ON REPTILES COLLECTED ON THE SURVEY. BY S. F. BAIKD. SCELOPORUS GRACIOSUS, B. & a. Scdoporus graciosus, B. & G. Pr. A. N. So. VI, April, 1852, 69.—Ib. .Stansbury, Great Salt Lake, 1852, 34G; pi. V, fig. gracilis, B. &. G. Pr. A. N. Sc. Oct. 1852, 175.—Girard, Herp. U. S. Ex. Ex. 1858. 2842. Valley of Salt Lake City. ? SCELOPORUS OCCIDENTALIS, B. &. G. Scdoporus occidentalis, B. & G. Pr. A. N. So. VI, Oot. 1852, 175.—Girard, Herp. U. S. Ex. Ex. 1858, 383;pi. xix, figs. 8—14. 2837. Salt Lake valley. The specimen is not in very good condition, and may possiblybelong to the next species. ?SCELOPORUS LONGIPES, Baird. Soiloporus longipes, Baird, Pr. A. N. Sc. Dec. 1858. 2863. Salt Lake valley. 2863. Salt Lake. CROTAPHYTUS COLLARIS, XXIV, Fig. 1. Agaiiia collaris, Say, Longs Exped. II, 1823, 252. Crotaphytus collaris, Holbrook, N. Am. Herp. II, 1842, 79 ; pi. x. 2729, 2697, 2721. Upper Arkansas to Rocky mountains. These spec
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