362 TEIIDA. 
Head moderate. Nostril between the two nasals. Parietals five, 
narrow; four supraoculars; five or six supraciliaries; no freno- 
orbital: median gular scales gradually enlarged; mesoptychium 
with three or four rows of enlarged scales, which are a little larger 
than the largest gulars, separated from the free edge of the collar by 
four or five rows of small granules. Dorsal scales minutely granular, 
smooth. Ventral plates in ten or twelve longitudinal and thirty- 
eight to forty transverse series*. Thrceo large preanals, forming a 
triangle. Brachial and postbrachial plates small, without strongly 
enlarged series; two or three rows of antebrachials; forearm 
entirely granular inferiorly. Femoral plates in ten to twelve rows, 
one of which is large ; tibials in three or four rows, outer very large. 
Femoral pores twenty-nine to thirty-five. Male with a spine on 
each side of the vent. Caudal scales oblique, with straight keels, 
not distinctly pointed posteriorly. Olive above, sides with large 
round bluish-white spots; hinder side of thigh with a whitish 
longitudinal band; lower surface of head and body brownish. 
millim. millim. 
Total length ...... 435 From end of snout to 
ead are cnaee Ga oes 32 fore limb ...... 52 
Width of head .... 21 From end of snout to 
From end of snout to vent osnneen yy 145 
interparietal plate 22 Fore limb ........ 54 
Width at posterior Hind limb........ 98 
corners of supra- Tall: cone ais ease as 290 
ocular region.... 14 
Guianas; Trinidad. 
a,b. So. —?P 
2. Cnemidophorus espeuti. (Prare XIX.) 
Head moderate. Nostril between the two nasals. Parietals five ; 
four supraoculars; five supraciliaries; no frenoorbital; anterior 
gular scales subequal, without enlarged medians; mesoptychial 
scales gradually increasing in size, those of the last row large, 
separated from the free edge of the collar by one or two rows of 
granules. Dorsal scales small, granular, smooth. Ventral plates in 
eight longitudinal and thirty-two transverse series. Three large 
preanal scales forming a triangle. An anterior row of large 
brachials, followed by several smaller ones, passing into the post- 
brachials ; antebrachials large, continuous with the brachials, in 
two rows, the outer largest and continued to the hand; forearm 
entirely granular inferiorly. Femorals in six or seven rows, one of 
which is large; tibials in two or three rows, the outer very large 
and composed of six plates, the other small andirregular. Femoral 
pores nineteen. Caudal scales oblique, with strong straight keels, 
* Counting from the collar. 
