215 



Synopsis of the Species. 



rsefrontals ; frontonasal 

 ith frontal. 



b larger than nostril; 

 s feebly bi- or tricarinate . . R. rurkii, p. 215. 



A. A pair of small prsefrontals ; frontonasal 



forming a suture with frontal. 

 a. Ear-opening much larger than nostril; 

 dorsal scale 



b. Ear-opening not, or but slightly, larger than 



nostril ; dorsal scales sharply bicarinate. R. travancorica, p. 216. 

 B. Two azygos shields between rostral and 



frontal. 

 . 22 to 24 scales round middle of body ; 



adpressed limbs not meeting R. giientheri, p. 216. 



b. 26 scales round body ; adpressed limbs 



meeting or overlapping R. beddomii, p. 216. 



"Fig. 57. Foot of Ristella rurkii. a. Upper view. b. Lower view. 



248. Ristella rurkii. 



Ristella rurkii, Gray, Ann. N. H. ii, 1839, p. 333; Giinth. P. Z. 8. 



1875, p. 225 ; Bouhng. Cat. Liz. iii, p. 357, pi. xxix, fig. 1. 

 Ateuchosaurus travancoricus. part., Beddome, Madras Journ. Med. Sc. 



1870. 

 Ristella travancorica, Bedd. op. cit. 1871 (part.) ; Stoliczka, J. A. S. 



B. xli, 1872, p. 129, pi. iv, fig. 5 ; Theob. Cat. p. 54. 



Head small ; snout short, obtuse. Ear-opening much larger than 

 the nostril. Frontonasal broader than long, widely separating the 

 nasals ; prsefrontals present, widely separated ; frontal shorter than 

 frontoparietals and interparietal together; 5 supraoculars, 3 an- 

 terior in contact with the frontal; 10 supraciliaries ; parietals 

 forming a suture behind the interparietal ; no nuchals ; third, 

 fourth, and fifth upper labials below the eye, from which they are 

 separated by a series of small scales. 26 scales round the middle 

 of the body, laterals a little smaller than dorsals and ventrals, dorsals 

 and laterals feebly bi- or tricarinate. Pra?anal scales not or scarcely 

 enlarged. Limbs short, widely separated when adpressed ; third 

 and fourth toes equal. Tail cylindrical, 1| to 1| times the length 



