No. 4. 

 REPORT UPON THE REPTILES OF THE ROUTE. 



BY S. F. BAIRD. 



SCELOPORUS UNDULATUS, Wiegm. 



Stdlio undulatus, LATREILLE, Hist. Rep. II, 18(2, 40. 



Tropidolepis undulatus, CUVIER, R. A HOLBROOK, N. Am. Herp II, 1842, 73; pi. ix. 



Sceloporus undulatus, WIEGMANN, Isis, 1828, 369. 



2874. Near mouth of Poteau river, Arkansas. B. Mollhausen. 



SCELOPORUS SPINOSUS, Wiegm. 



Sceloporus spinosus, WIEGM. Isis, 1828, 369. 



Tropidolepis spinosus, GRAY, Syn. Rept. Griff. An. King. IX, 1831, 43. 



2938. San Antonio, Texas. Dr. Kennerly. 



SCELOPORUS CONSOBRINUS, B. & G. 



Sceloporus consobrinus, B. & G. Marcy s Report, 1853, 237. 



2910. Canadian Fork. B. Mollhausen. 



SCELOPORUS THAYERI, B. & G. 



Sceloporus tkayeri, B. & G. Pr. A. N. S. VI, August, 1852, 127. 



2907. Coal creek, Arkansas. B. Mollhausen. 



CROTAPHYTUS COLLARIS, Ho Ib rook. 



Agama collaris, SAY, Long s Exped. II, 1823, 252. 



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



2701 Fort Smith, Arkansas. 2707. Near the Gold mountains, Arkansas. 4106. Coal 

 creek of Arkansas. 2715. Near Canadian. B. Mollhausen. 2690. Pecos to Rio Grande. 

 Dr. Kennerly. 



CROTOPHYTUS WISLIZENII, B. & G. 



Crotophytus wislizenii, B. & G. Pr. A. N. Sc. VI, April, 1852, 69. 



New Mexico. Dr. Kennerly. 



TJTA STANSBURIANA, B . & G . 



Uta stansburiana, B. & G., Pr. A. N. Sc. VI, April, 1852, 69. IB. Stansbury s Great Salt Lake, 1852, 345; Reptiles, 

 plate v. 



2682. Albuquerque. Kennerly and Mollhausen. 



1 The diagnoses of most of the serpents have been prepared by Mr. Robert Kennicott, and of the toads by Dr. Charles Giranl. 



