182 



SCINCID^. 



Synopsis of Indian, Ceylonese, and Burmese Genera. 



A. Palatine bones in contact on median line of 



palate (fig. 55, b Sc c). 



a. Tynipanuoi, if distinct, more or less sunk. 

 a'. Eyelids movable ; claws not retrac- 

 tile; pterygoid bones separated on 

 median line of palate, palatal notch 

 extending anteriorly to an imaginary 



line connecting centres of eyes (fig. b) Mabuia, p. 183. 



b'. Eyelids movable; claws not retrac- 

 tile ; palatal notch not extending to 

 between centres of eyes (fig. c) . . . . Lygosoma, p. 192. 



c'. Eyelids immovable, transparent, cover- 

 ing eye Ablei'harus, p. 213. 



d'. Eyelids movable ; claws retractile into 



a sheath Eistella, p. 214. 



b. Tympanum exposed and superficial .... Thopidopuouus, p. 217 



B. Palatine bones separated on median line 



(fig. a). 



a. Nostril pierced in nasal, or between nasal 



and supranasal. 

 a'. Limbs pentadactyle, not denticulated. Eumeces, p. 218. 

 b'. Limbs pentadactyle, denticulated 



laterally Scincus, p. 220. 



c'. Limbs rudimentary Ophiomohus, p. 221. 



b. Nostril pierced between rostral and a 



very small nasal, or between rosti-al 

 and first labial. 

 a'. Nostril pierced between rostral and a 

 very small nasal, in an emarginatitJU 

 of the former shield ; limbs deve- 

 loped Chalcides, p. 223. 



b'. Nostril pierced between rostral, nasal, 



and first labial ; no limbs Sepophis, p. 225, 



c. Nostril pierced in rostral. 



a'. Nostril close to posterior border of 



rostral Chalciboseps, p. 226. 



b'. Nostril pierced in the very large ros- 

 tral, with posterior border of which 

 it is connected by a horizontal suture. Acontias, p. 226. 



a 



le. i)i>. 



