

REPTILES 



11 



CNEMIDOPHORUS GULARIS, B. & G. 



Plate XXXIV, Figs. 1—6. 



Cnemidophorus gularis, B. & G. Pr. A. N. Sc. VI, Aug. 1852, 128. 

 Cnemidophorus guttatus, Hallow. Pr. A. N. Sc. VII, Oct. 1854, 192. 



3010. ^Eagle Pass, Tex. A. Schott.— 2989. Indianola, Tex. J. H. Clark 



50. HELODERMA HORRIDUM, Wiegm. 



Plate XXVI. 



Heloderma horridum, Wiegmann, Isis, 1829, 621. — Ib. Hcrp. Mex. 1834 



2971. Sierra de la Union. Sonora. A. Schott. 



51. GERRHONOTUS WEBBII, Baird 



Plate XXIV, Figs. 1—10. Young. 



Gerrhonotus webbii, Baird, Pr. A. N. Sc. Dec. 1858. 



Sp. Ch.— Tail 2 1 



Scales strongly carinated. Dorsal scales in 48 transverse 



rows. Body encircled by 26 rows of scales, of which 12 are ventral. Hind feet longer than from snout 

 to ear. Above leaden olivaceous brown, lighter beneath. Back with ten or twelve blackish bars, bor- 

 dered in front by brownish or reddish yellow. 



3205. San Diego.— 3078. San Diego to El Paso. Dr. Webb. 



52. GERRHONOTUS NOBILIS, Bg. 



Plate XXV, Figs. 1—8. 



Elgaria nobilis, B. & G., Pr. A. N. Sc. VI, Aug. 1852, 129. 

 3076. Coppermines of N. M. J. H. Clark. 



53. GERRHONOTUS INFERNALIS, Baird. 



Gerrhonotus infernalis, Baird, Pr. A. N. Sc. Dec. 1858. 



Sp. Ch. — Dorsal scales carinated, in 16 longitudinal rows; ventral in 12. Nasal plate in contact with 

 the 2d labial only. Tail twice as long as head and 



Tail twice as long as head and body. 51 transverse rows of scales from head to 

 tail. Color clear light olive, with 8 cross bars of dusky. Beneath yellowish, marbled faintly with dull 

 olive. Head plain. 



3090. Devil's river, Tex. Dr. Kennedy. 



54. GERRHONOTUS OLIVACEUS, Baird. 



Gerrhonotus olivacem, Baird, Pr. A. N. Sc. Dec. 1858. 



Sp. Ch. — No single frontal. A series of three pairs of plates between the vertical and rostral, becoming 

 successively smaller. Two post-nasals ; one loral. 39 transverse rows of scales on back from head to 

 tail. 12 longitudinal rows above; the 6 central strongly carinated. Color dark olive green, with a 

 series of faint <lusky bars. Beneath greenish white. 



3096. Near San Diego, CaL A. Schott. 







