8. NUCRAS. 53 



lines ; sides usually dark bro'mi, with round white si)ots or vertical 

 bars ; lower surfaces white, immaculate. 



millim. milliiu. 



Total length 250 234 



Head 18 19 



Width of head 12 13 



From end of snout to fore limb .... 28 30 



From end of snout to vent 80 94 



Fore limb 25 26 



Hind limb 38 40 



Tail 170 140 * 



Tropical and South Africa. 



a-b, c-d, e-f, g-i, S. Africa. Sir A. Smith [r.l 



k. d,$;&hgr. 

 I. Hgr. S. Africa. 



m. Yg. Zambesi. Su- J. Kirk [P.]. (Type of 



Teira ornata.) 

 n-o. c? $ • Lake Nyassa. 



2. Nucras delalandii. 



Nucras lalandii, Gray, Cat. p. 33. 

 Lacerta lalandii, M.-Ediv. Ann. Sc. Nat. xvi. 1829, pp. 70, 84. 



intertexta, Smith, Mag. N. H. (2) ii. 1838, p. 93. 



Eremias (Nucras) lalandii, Gray, Ann. N. H. i. 1838, p. 280. 



Lacerta delalandii, Dum. ^- Bibr. v. p. 241, pi. xlviii. 



Bettaia delalandii, Bedriaga, Abh. Senckenb. Ges. xiv. 1886, p. 435. 



Body much elongate in the adult ; head small, not depressed, its 

 length (to ear-opening) contained five and one fourth to six times 

 in the length from end of snout to vent in the adult, four and a half 

 to five times in the young. Two superposed postnasals ; no granules 

 between the supraoculars and the supraciliaries ; interparietal long 

 and narrow ; occipital very small ; subocular bordering the lip 

 between the fourth and fifth (rarely fifth and sixth) upper labials; 

 temple granular ; two or three enlarged supratemporals border the 

 parietal ; tympanic absent or very small. Gular scales small, 

 smooth ; collar with very slightly toothed edge, formed of 7 to 13 

 plates. Dorsal scales granular, smooth, larger on the sides, where 

 they pass into the ventrals ; 35 to 40 scales across the middle of 

 the body ; ventrals in 8 longitudinal series, outer narrowest, and 

 33 to 37 transverse series. Praeanal region with several plates, 

 the postero-median of which is usually the largest. Limbs short, 

 separated or just meeting when adpressed in the adult, overlapping 

 in the young ; foot not longer than the head (to occipital shield). 

 Femoral pores 10 to 14. Tail thick, once and two thirds to twice 



Tail injured. 



