(ow) 
=I 
SS 
TEIIDE. 
8. Cnemidophorus guttatus. 
Cnemidophorus guttatus, Gray, Cat. p. 22. 
Cnemidophorus guttatus, Wiegm. Herp. Mex. p. 29; Peters, Mon. 
Berl, Ac. 1869, p. 63; Bocvurt, Miss. Sc. Mex., Rept. p. 285, 
pl. xx. c. fie. 4; Giinth. Biol. C.-Am., Rept. p. 28, pl. xxi. 
sexlineatus, part., Dum. § Bibr. v. p. 181; A. Dum. Cat. Méth. 
Rept. p. 116. 
Ameiva guttata, Cope, Proc. Ac. Philad, 1862, p. 63. 
Cnemidophorus microlepidopus, Cope, Proc. Am. Philos, Soc. xvii. 
1877, p. 93. 
— unicolor, Cope, 1. e. 
Head large. Nostril anterior to nasal suture. Three parietals ; 
three supraoculars ; six supraciliaries ; a frenoocular usually present ; 
median gulars enlarged ; mesoptychial scales in three rows of sub- 
equal size, a little larger than the largest gulars, separated from the 
free edge of the collar by two or three rows of granules. Dorsal 
granules minute, smooth. Ventral plates in eight longitudinal and 
thirty-three transverse series. Three large preanals, forming a 
triangle. Brachial plates in two or three rows, anterior largest and 
continuous with the antebrachials; a few small postbrachials ; 
antebrachials in two rows, outer largest ; lower surface of forearm 
uniformly granular. Femoral plates in eight to twelve rows ; 
tibials in three, outer largest. Femoral pores twenty to twenty- 
four. Male without anal spines. Caudal scales slightly oblique, 
keeled, not distinctly pointed posteriorly. Olive above, the back 
spotted with yellowish; a blackish, above light-edged, band along 
each side ; belly olive, with lighter spots on the sides; mesoptychium 
plumbeous. Young uniformly olive, or with traces of six or eight 
narrow lighter longitudinal lines; a whitish line on each side of the 
tail, continuous with a similar line along the hinder side of the 
thighs. 
; millim, millim. 
Total length .......... 420 From end of snout to fore 
Mead os 66 wise ee ence eben 37 Limb: Gi ieecus aces 54 
Width of head.......... 22 From end of snout to vent 130 
From end of snout to inter- Fore limb ............ 53 
parietal plate ........ 25 Hind limb............ 92 
Width at posterior corners Tail xscaisatasey eas 290 
of supraocular regions.. 12 
Central America. 
ad. Vera Cruz. 
b-e, Her. & yg. Huamelula. 
9. Cnemidophorus immutabilis. 
Cnemidophorus immutabilis, Cope, Proc. Amer. Philos, Soc. xvii. 
1877, p. 93. 
Differs from C. guttatus in the absence of granules between the 
