192 Lacertidie. 



usually present, large or small.* '12 to oO scales and prranules between 

 the symphysis of the chin-shields and the median collar-plate ; gular 

 fold very distinct. Collar with even or feebly serrated edge, composed 

 of 8 to i 2 plates. 



Pterygoid teeth exceptionally present. 



Scales on the buck granular or oval-hexagonal, more or less dis- 

 tinctly keeled, not larger than those on the sides, which are smooth 

 or very feebly keeled : 50 to 67 scales across the middle of the body, 

 usually 57 to 63 ; 3 or 4 transverse series of scales on the side corre- 

 spond to a ventral plate, 36 (?) to 51 ( (^ ) in the middle of the back, 

 to the length of the head. Ventral plates in 6 longitudinal and 25 

 to 30 transverse series — 25 to 28 in males, 28 to 30 in females ; the 

 plates of the second series from the median line the broadest. Pre- 

 anal plate moderately large, bordered by two semicircles of small 

 plates, rarely by one. 



Scales on upper surface of tibia keeled, smaller than dorsals. 27 

 to 33 lamellar scales under the fourth toe, usually 28 to 30. 18 to 23 

 femoral pores on each side, usually 19 to 22. 



Caudal scales more or less oblique, the upper diagonally keeled, 

 with truncate or obtusely pointed posterior border, the lower, at th(> 

 base, smooth or faintly keeled ; the whorls often very unequal in 

 length ; 26 to 38 scales in the fourth or fifth whorl behind the post- 

 anal granules. 



Coloration : Males bright green above, with a more or less dis- 

 tinct light dorsolateral streak usually bordered on the inner side by a 

 series of small or moderately large black spots ; a vertebral series of 

 small or moderately large black spots usually present ; sides with 

 numerous black spots or reticular marbliugs enclosing light spots, or 

 with a series of oeellar spots. Belly white, orange, or brick-red, 

 without spots, or white with a brick-red spot, on each of the plates 

 except the outer, which are always blue and rarely spotted with black. 



Females bright green, olive, or pale brown above, with a white, 

 sometimes dark-edged dorsolateral line, a dark-brown or reddish 

 brown lateral band edged below by another white streak, from 

 the uj)per lip to the thigh, the dark band sometimes speckled with 

 darker or with round light spots ; a vertebral series of small dark spots 

 sometimes present all along the back or only posteriorly. Belly white 

 or pink,t the outer ventral plates blue or bluish. 



The head is unspotted or with very small black spots or dots ; the 

 tail may ))e variegated with dark and light spots, sometimes forming 



* Absent in two specimens. 



t Sometimes of a " rosso deciso " accordinof to Camcrano. 



