18. CNEMIDOPHORUS 517 



Description. — Body and tail long and slender. Nostrils 

 opening in large anterior nasal plates, latter meeting 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, pre- 

 frontal, posterior nasal, and first supraocular plates. Four 

 supraoculars, first and fourth smaller than others. Second, 

 third and fourth supraoculars separated from superciliaries 

 by small convex granules. Similar granules between third 

 and fourth supraoculars and frontoparietal and parietal 

 plates. Behind parietals, two or three transverse series of 

 small occipitals. About five superior and six inferior labials 

 to a point below pupil. Sublabials large, and, except first, 

 separated from infralabials by small plates and granules. 

 Anterior gulars largest centrally, becoming gradually smaller 

 laterally and anteriorly, and changing abruptly to smaller 

 posterior gulars. Largest gular and collar scales averaging 

 smaller than in C. t. stejnegeri. Scales on center of collar 

 moderately large, those on its edge smaller. Back covered 

 with small, smooth, convex granules slightly larger than in 

 C. t. tessellatus. Ventral plates in eight longitudinal rows. 

 Several large plates, surrounded by smaller plates and gran- 

 ules, in front of anal opening. Posterior surface of fore- 

 arm covered with small, nearly equal-sized granules. Long 

 slender tail provided with rings of large, obliquely keeled 

 scales. Femoral pores varying in number from 1 8 to 23. 



The back is grayish or yellowish brown with about seven 

 or nine wavy black longitudinal bands or rows of spots 

 which are sometimes broken up into irregular marblings. 

 On the sides of the head and neck are numerous, large, 

 well-defined black blotches. The limbs are marbled with 

 black. The tail is yellowish or olive-brown, darkest along 

 the keels of the upper scales. The lower surfaces are creamy 



