496 8. TEIID.^ 



smaller laterally and much smaller anteriorly, and changing 

 abruptly to smaller posterior gulars the line of demarkation 

 being emphasized by two rows of smaller granules. Scales 

 on center of collar quite large, those on its edge largest. Back 

 covered with smooth, convex, rather large granules. Eight 

 longitudinal and 31 transverse rows of ventral plates. Three 

 large preanals, posterior two widest. Four rows of brachials, 

 posterior row much the smallest. Antebrachials continuous 

 with brachials, in two rows, the outer a little larger. Granules 

 along posterior surface of forearm slightly enlarged. Lateral 

 caudal scales oblique, rather strongly keeled, pointed post- 

 eriorly. Femoral pores 14. 



The color above is pale brown with three longitudinal 

 bluish white lines on each side, and one equally distinct, 

 narrow and well-defined line along the middle of the back. 

 The limbs are a little paler than the ground-color of the 

 back, and are without traces of markings except a faint light 

 line along the back of the thigh. Under parts whitish, 

 tinged with blue. Tail unicolor, grayish. 



Length to anus _.___ 5 5 



Length of tail . 126 



Snout to collar , . 18 



Snout to interparietal 1 



Width of head 8 



Fore limb 19>^ 



Hind limb _ 39 



Base of fifth to end of fourth toe 



Distribution. — This lizard is known from Arizona from 

 a single specimen secured at Fairbank, Cochise County. It 

 occurs also in New Mexico and Texas. 



Remarks. — The specimen from Arizona has the anterior 

 nasal in contact with the second labial. This caused it to 

 resemble in its characters C. labialis of Cerros Island. It 



