+98 8. TEllDTE 



rows; head depressed j frontoparietals separate, nostril anter- 

 ior to nasal suture. The nasal is not in contact with the second 

 supralabial5 scales on posterior collar of considerable size, 

 scarcely larger than enlarged scales at center of gular region, 

 margin of fold with one to four rows of minute scales; 

 four supraoculars; six femoral rows of enlarged scales, three 

 tibial (of great size in two anterior rows) seven to eight 

 brachial, three antebrachial; underside of forearm with 

 narrow band of enlarged scales on posterior aspect; femoral 

 pores 19. 



"General coloration in adult orange-brown dorsally, 

 ventrally blackish over all surfaces, even of the feet. Color 

 pattern seven to nine extremely narrow, orange-brown longi- 

 tudinal lines, straight or wavy, alternating with black lines 

 of similar narrowness; brilliant color obscured by blackish 

 anteriorly; sides ornamented with orange spots more or less 

 in vertical rows bordered anteriorly with black; the mottling 

 with orange-brown and black extends over sides of head; 

 the throat is crossed by two to three narrow bars of intense 

 black; mid-ventral caudal line marked by a double series 

 of small black spots." 



Total length . 144 



Head and body to anus . 42 



Tail length 1 02 



Snout to collar 17 



Snout to ear . .__ 12 



Snout to interparietal . 9 



Width of head . 7 



Fore limb 18 



Hind limb . 88 



Distribution. — Tiburon Island, Gulf of California, Mex- 



ico. 



Remarks. — This species was described from an adult 

 (type) and two young specimens (paratypcs). The locality 



