OCR Text |
Show 1897.] LIZARDS OF THE GENUS SCELOPORUS. 485 Olive above; a more or less distinct, black, light-edged collar ; frequently two light bands on the side of the neck, the upper from the eye and continuous with the anterior border of the collar, the lower commencing at the tip of the snout and passing through the ear; some specimens with the dorsal scales yellowish or pale greenish, edged with black. Males with the throat and the sides of the belly dark blue, edged with black. Females whitish beneath, the throat blue or marbled with grey-blue, often with the sides of the belly blue or greenish blue. Hab. Arizona, Texas, Mexico (Durango, San Luis Potosi, Jalisco). In the State of Jalisco it occurs at altitudes varying between 3484 and 8500 feet. 5. SCELOPORUS ORNATUS. Sceloporus ornatus, Baird, Proc. Ac. Philad. 1858, p. 254 ; Cope, Proc. A m . Philos. Soc. xxii. 1885, p. 396 ; Bouleng. Cat. Liz. ii. p. 224 (1885); Giinth. Biol. C.-Amer., Eept. p. 72 (1890). Head-shields smooth ; frontal broken up into three or four shields ; interparietal as long as broad or a little broader than long, much broader than the parietals ; a series of four or five feebly enlarged transverse supraoculars, bordered inwards by one series of scales and separated from the supraciliaries by two or three; two canthal scales ; four feebly enlarged scales form a denticulation on the anterior border of the ear. Dorsal scales little larger than ventrals, as broad as long or broader than long, rounded behind, feebly keeled, forming parallel longitudinal series ; 60 to 64 scales between the interparietal shield and the base of the tail, 15 or 16 corresponding to the length of the shielded part of the head. Lateral scales feebly keeled, directed upwards and backwards, larger than the dorsals. Ventral scales small, smooth, entire. 60 to 64 scales round the middle of the body. The adpressed hind limb reaches the ear; tibia nearly as long as the shielded part of the head ; the distance between the base of the fifth toe and the extremity of the fourth equals the distance between the end of the snout and the ear. 12-17 femoral pores on each side. Caudal scales much larger than dorsals, feebly keeled, pointed or shortly mucronate, spinose on the sides. Males wdth enlarged postanal scales. I have examined only two specimens :- d. Nuevo Leon. Taylor 2 • Duval Co., Texas. Taylor 1. 55 46 2. 12 11 3. 14 12 4. 12 10 5. 14 12 6. 60 63 7. 60 64 8. 16 15 9. 16-17 16-17 Olive above, uniform or with darker and lighter spots ; a black or blackish collar, edged with greenish white, not extending across |