No. 3. 

 REPORT 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. I. 

 Scdoporus 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 possibly 

 belong 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, Holbrook. 

 Plate XXIV, Fig. 1. 



Agaiiia collaris, Say, Long's Exped. II, 1823, 252. 



Crotaphytus collaris, Holbrook, N. Am. Herp. II, 1842, 79 ; pi. x. 



2729, 2697, 2721. Upper Arkansas to Rocky mountains. These specimens exhibit the usual 

 variety of coloring of the species. 



CROTAPHYTUS WISLIZENII, B. &. G. 



Crotaphytus wislizLnii, B. & G. Pr. A. N. Sc. VI, April, 1852, 67. 

 Crotaphytus gainbdii, B & G. Pr. A. N. Sc. VI, Aug. 1852, 126. 

 Crotaphytus fasciatus. Hallow. Pr. A. N. So. VI, Deo. 1852, 207. 



2698. Salt Lake Basin. 2695. Head of Humboldt. This species was found to be quite 

 abundant in Utah. 



CALLISAURUS VENTRALIS, Baird. 



Homolosaurus ventralis, Hallowell, Pr. A. N. Sc. VI, Oct., 1852, 179, 

 Callisaurus ventralis, Baird, Herp. Mex. Bound. Surv. 1859. 



2803. Salt Lake Basin. This specimen is more northern in its locality than any collected 

 by the other expeditions. 

 3 a 



