24 LACEKTID^. 



Head small ; snout moderate, obtuse. Rostral not touching the 

 nostril ; normally a single postnasal, a single anterior loreal, in 

 contact with the frontonasal, and four upper labials anterior to the 

 subocular ; no granules between the su])raoculars and the supra- 

 ciliarics ; occipital small, usually smaller than the interparietal ; 

 temple covered with irregular flat scales, among which a masseteric 

 is often and a tympanic constantly distinct. Gular fold feebly 

 marked, or absent. 14 to 21 gular scales on a line between the 

 collar and the third pair of chin-shields ; collar with serrated edge, 

 composed of 7 or 9 plates. Dorsal scales hexagonal, longer than 

 broad, more or less distinctly keeled, not or but sliglitly imbricate, 

 somewhat smaller than the laterals, which are smooth ; nuchal scales 

 roundish, smooth or nearly so ; two lateral scales correspond to the 

 length of a ventral plate ; 26 to 37 scales across the middle of the 

 body. Ventral plates in 6 or 8 longitudinal series, the second series 

 on each side from the median ventral line the largest ; 24 to 30 

 transverse series. Two semicircles of scales border the praeanal 

 shield. The adpressed limbs meet, or the hind limb reaches the 

 wrist or the elbow. Foot usually longer than the head. Femoral 

 pores 7 to 13. Tail thick, once and two fifths to once and 

 two thirds as long as head and body ; caiidal scales large, upper 

 strongly keeled and pointed posteriorly. Brown, yellowish, or red- 

 dish above in the adult, with small darker and lighter spots ; fre- 

 quently a blackish vertebral streak and a dark lateral band edged 

 with yellowish ; lower surfaces orange or vermilion in the male, 

 largely spotted with black ; yellow or pale orange in the female, 

 immaculate or scantily spotted with black. Newly-born young 

 almost black, which coloration sometimes persists in the adult 

 (specs, e, T-v). 



millim. millim. 



Total length 151 178 



Head 12 12 



Width of head 9 9 



From end of snout to fore limb 19 23 



From end of snout to vent 53 73 



Fore limb 17 18 



Hind limb 24 25 



Tail 98 105 



Northern and Central Europe ; Northern Asia. 



Scotland. Dr. Johnston [P.]. 



Eastbourne. J. Hopley, Esq. [P.]. 



Near Petersfield. Mrs. Mowatt [P.]. 



Ringwood. F. Bond, Esq. [P.]. 



Bournemouth. G. A. Bouleuger, Esq. [P.]. 



I'oole Heath. W. Thompson, Esq. [P.]. 

 Cheltenham. 



t-u. Hgr. Falmouth. W. C. Cocks, Esq. [P.]. 



