370 TEIID^. 



^T-enemidophoTXis ^ttatns: 



Cnemidopliorus guttatus, Gray, Cat. p. 22. 

 Onemidoplionis guttatus, Wiegm. Herp. Mex. p. 29 ; Peters, Mon. 



Berl. Ac, 1869, p. 63; Bocourt, Miss. Sc. Mex., Mept. p. 285, 



pi. XX. c. fig. 4 ; Giinth. Biol. C.-Am., Rept. p, 28, pi. xxi. 

 sexlineatus, part., Dum. Sf Bibr. y. p. 131 ; A. I}um. Cat. Meih. 



Rept. p. 116. 

 Ameiva guttata, C'o^je, Proc. Ac. Philad, 1862, p. 63. 

 Cnemidopliorus microlepidopus, Cope, Proc. Am. Philos. Soc. xvii. 



1877, p. 93. 

 unicolor, Cope, I. c. 



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 praeanals, 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 



Head 37 limb 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 290 



of supraocular regions . . 12 



Central America. 



a. (S . Vera Cruz. 



b-e. Hgr. & 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 



