12. SCELOPORUS 315 



of the lizards were found on rocks but some were on trees 

 and stumps. 



62. Sceloporus occidentalis taylori Camp 

 Tenaya Blue-bellied Lizard 



Sceloporus occidentalis taylori Camp, Univ. Cal. Pubis. Zool. Vol. 17, 

 No. 7, 1916, p. 65 (type locality, Half-way between Merced 

 Lake and Sunrise Trail, altitude 7500 feet, Yosemite Na- 

 tional Park, Mariposa County, California); Grinnell & 

 Camp, Univ. Cal. Pubis. Zool., Vol. 17, No. 10, 1917, p. 160; Stej- 

 NEGER & Baruour, Check List N. Amer. Amph. Rept., 1917, p. 56. 



Description — Head and body somewhat depressed. Nos- 

 tril opening much nearer to end of snout than to orbit. Up- 

 per head-shields smooth, moderately large, and often 

 slightly convex J interparietal much largest. Frontal usually 

 divided transversely. Parietal, fronto-parietal, and frontal 

 plates separated from enlarged supraoculars by a series of 

 small plates or granules. Superciliaries long, and strongly 

 imbricate. Middle subocular very long, narrow, and 

 strongly keeled. Rostral plate of moderate height, but great 

 width. Labials long, low, and nearly rectangular. Below 

 lower labials and behind large pentangular symphyseal, a 

 series of plates larger than gulars. Latter smooth, imbricate, 

 and usually emarginate posteriorly. Ear-opening large, 

 slightly oblique, with an anterior denticulation of smooth, 

 acuminate scales. Scales on back equal-sized, keeled, pointed, 

 often serrate, and arranged in nearly parallel longitudinal 

 rows. Scales on sides similar to those on back, but much 

 smaller and directed obliquely upward. No longitudinal 

 dermal folds, and no transverse fold across throat. Upper 

 surfaces of limbs provided with large, strongly keeled 

 and mucronate scales. Posterior surface of thigh with small, 

 keeled scales. Ventral scales much smaller than dorsals, 

 smooth, imbricate, and often bicuspid. Tail furnished with 



