REPTILES OF THE PACIFIC COAST. 139 



40. Cnemidophorus stejnegeri Van Denburgh. STEJ- 

 NEGER'S WHIPTAIL. 



Cnemidophorus stejnegeri, VAN DENBURGH, Proc. Cal. Ac. Sci. (2), 

 IV, Pt. I, 1894, p. 300 (type locality between San Rafael and 

 Ensenada, Lower California, Mex.). 



Description. Body long, with a very slender tail and 

 very long legs. Nostrils opening in large anterior nasal 

 plates; latter in contact on top of snout. Posterior 

 nasal forming sutures with anterior nasal, first, second, 

 and third labials, loreal, prefrontal, and frontonasal 

 plates. Loreal in contact with third and fourth labials; 

 first subocular, preocular, first superciliary, prefrontal, 

 posterior nasal, and sometimes first supraocular plates. 

 Four supraoculars, fourth smallest. Second, third, and 

 fourth supraoculars separated from superciliaries by 

 small convex granules. Similar granules between third 

 and fourth supraoculars andfrontoparietal and parietal. 

 One to three transverse series of small occipitals behind 

 parietals and interparietal. About five superior and 

 five or six inferior labials to a point below pupil. Sub- 

 labials large and, except anteriorly, separated from 

 infralabials by small granules and plates. Anterior 

 gulars largest centrally, becoming gradually smaller 

 laterally and anteriorly, and changing rather abruptly 

 to smaller posterior gulars. Central gular and collar 

 scales averaging larger than in C. tigris and C. t. undu- 

 latus. Scales on center of collar larger than those on 

 its edge. Back covered with small, smooth, convex 

 granules, usually slightly smaller than in C. tigris and 

 C. t. undulatus. Ventral plates in eight longitudinal 

 rows. From two to five large plates, surrounded by 

 smaller plates and granules, in front of anus. Posterior 

 surface of forearm covered with small, nearly equal- 

 sized granules. Tail long, provided with rings of large, 



