6. cNEMiDopiioias. 363 



slightly pointed posteriorly. Olive above, with a broad lighter 

 dark-edged median band from the occiimt to the base of the tail ; a 

 few rather indistinct round light spots on the flanks ; temples and 

 sides of neck lapis-blue ; lower surfaces pale green, bluish on the 

 sides and on, the throat. 



millim. millim. 



Total length 320 From end of snout to 



Head 24 fore limb 35 



"Width of head .... 15 From end of snout to 



From end of snout to vent 100 



interparietal plate 16*5 Fore limb 38 



AVidth at posterior Hind limb 68 



corners of supra- Tail 220 



ocular region. ... 10 



"D* 



Old Providence Island, Colombia. 

 a. 2 . Old Providence Island. W. B. Espeut, Esq. [P.]. 



"^^Cnemidopliorus leniniscatns. — 



Cnemidophorus lemniscatus, Gray, Cat. p. 21. 



scutata, Gray, I. c. 



Lacerta leniniscata, iJaiid. Rept. iii. p. 175, pi. xxxvi. fig. 1. 



cceruleocephala, Wolf, Ahhilcl. u. Beschr. merkw. nat. Gegenst. 



ii. p. 43, pi. xii. 

 ? Teius cvanomelas, Wied, Ahhihl, 

 Ameiva lineata. Gray, Ann. N. II. i. 1838, p. 278. 

 Cnemidophorus lemniscatus, Dum. (^'- Bibr. v. p. 128 ; Bocourt, Miss. 

 Sc. Mex., Rept. pi. xx. c. fig. 2. 



Head short. Nostril between the two nasals. Parietals five ; 

 supraoculars four ; five or six supraciliaries ; no frenoorbital ; 

 anterior gular scales subequal, without enlarged medians ; mesopty- 

 chium with three or four rows of enlarged scales, separated from the 

 free edge of the collar by one or two rows of granules. Dorsal 

 scales small, granular, smooth. Ventral plates in eight longi- 

 tudinal and thirty to thirty -three transverse series. Generally three 

 large prseanal scales forming a triangle. An anterior row of large 

 brachials, followed by several smaller ones, continuous with the 

 postbrachials ; antebrachials more or less continuous with the 

 brachials, in two rows, the inner largest, the outer frequently ex- 

 tending only half down the inner ; forearm entirely granular infe- 

 riorly. Fcmorals in six to eight rows, one of which is large ; tibials 

 in three rows, outer very largo. Femoral pores eighteen to twenty- 

 four. Male with a spine on each side of the vent. Caudal scales 

 oblique, with straight keels, shortly jiointed ])ostcriorly. Olive 

 above, with eight or nine whitish longitudinal lines on tlie body in 

 the females, the space between the two upper on each side black or 

 blackish ; limbs with round whitish spots, and sometiraos a band of 

 the same colour along the hinder side of the thighs ; in males the 



