10. UTA 229 



to three scries of moderately enlarged sublabials. Gular 

 region covered ;vith small, smooth, hexagonal scales, which 

 change graJ ;a')y into granules on sides of neck, and intr. 

 larger scales on strong transverse gular fold, where they 

 are about the size of those on belly. Edge of gular fold 

 witi] a series of larger propecting scales. Ear-opening with 

 strong denticulation of three or four pointed scales. Several 

 Icngitudi.ial dermal folds usually present on sides of body 

 and ne^k. Back covered with weakly keeled scales of nearly 

 uniform size, becoming gradually granular on neck and 

 sides. Number of dorsal scales in a line from interparietal 

 plate 10 a line joining posterior surfaces of thighs varying 

 from 89 to 116; average, 103.4. Scales on tail largest, 

 strongly keeled, sharply pointed, and larger above than 

 below. Posterior surfaces of thighs and arms covered with 

 small gianiilar scales similar to those on sides of body. Other 

 surfaces of limbs provided with large scales, keeled except 

 on ventral surfaces of thighs, legs, and arms Fcrroral 

 pores v;,rying in number from 11 to 17; average, 14.1. 

 About 23 to 30 dorsal scales equaling the shielded part of 

 hc:id. 



This lizard displays a very great amount of variation in 

 both the pattern and intensity of its coloring. The back and 

 sides are variously striped, spotted, dotted, or marbled with 

 dark brown, blue, green, gray or yellow; the former often 

 with a double series of large brown spots, light edged be- 

 hind, which usually are much more distinct in females and 

 young than in adult males. The tail is similarly marked but 

 is often ringed with brown. Below, the general color is yel- 

 lowish white, usually more or less tinged with greenish or 

 bluish on the sides of the belly. The throat in adults is 

 blue, dotted or narrowly banded on the chin and sides with 

 white, yellow or orange. There is a round indigo spot be- 



