6. CNEMIDOPnOR03. 365 



Cnemidopborus guttatus {non Wicgm.), llalloiv. Proc. Ac. Dtilad. 

 1854, p. 192. 



octolineatii3, Hallow, eod. loc, 1858, p. 255. 



sexlineatus, var. gularis, part., Bocourt, I. c. p. 278. 



Head ratlier short. Nostril anterior to nasal suture. Three or 

 five parietals ; four (exceptionally three) supraoculars, anterior some- 

 times divided into two ; five or six supraciliaries ; seldom a freno- 

 orbital ; median gvdar scales gradually enlarged ; mesoptychium 

 with three or four rows of enlarged scales, the posterior of which 

 are larger than the largest gulars, and generally form the edge of 

 the collar. Dorsal scales rather large, granular, smooth. Ventral 

 plates in eight longitudinal and thirty-one to thirty-five transverse 

 series. Generally three largo pra^auals, forming a triangle. Four 

 rows of brachials, anterior largest, continuous with the postbrachials ; 

 two or three rows of antebrachials, outer largest ; the scales on the 

 outer side of the inferior surface of the forearm more or less enlarged, 

 sometimes forming a band of much dilated transverse plates. Six 

 to eight rows of femorals, one of which is large ; tibials in two or 

 three rows, outer largest. Femoral pores fourteen to nineteen. 

 Males without anal spines. Caudal scales oblique, with straight 

 keels, obtusely pointed posteriorly, Olive or brownish grey, with 

 three or four white (yellow) lines on each side separated by blackish 

 interspaces ; sometimes series of round light spots on the latter ; 

 limbs with dark reticulations ; a more or less distinct white band 

 along the hinder side of the thighs ; lower surfaces whitish ; belly 

 blue in breeding males. 



millim. millim. 



Total length 248 232 



Head 19 17 



Width of head 12 10 



From end of snout to interparietal 



plate 14 12 



Width at posterior corners of supra- 

 ocular regions 7"5 7 



From end of snout to fore limb . . 30 25 



From end of snout to vent 78 72 



Fore limb 27 25 



Hind limb 53 51 



TaH ; 170 100 



Southern North America. 



a-h. Ilgr. N, America. E. Doubleday, Esq. [P.]. 



c, d, c-(j. i, $ , tS: hgr. N. America. 



/t, t. c? $ . Texas. 



k. $ , Kansas. 



/, 2 • California. 



«j-n. c? & hgr. Mexico. 



