7. MAiiurA. 151 



nasals present ; proefrontals present ; frontoparietal present ; single 

 or double interparietal usually distinct, sometimes coalesced with 

 the parietals. Limbs well developed, pentadactyle. Digits sub- 

 cylindrical or compressed, with transverse lamellae inferiorly. 



Africa and ^[adagascar; Southern Asia; Central and South America 

 and West Indies. 



Synopsis of the Species. 



I. Lower eyelid with an undivided, more or less transparent disk ; 

 scales on the soles not spinose. 



A. The subocular is distinguished from the (other) labials only by 

 size and position, and is not or scarcely narrowed inferiorly ; 

 nostril pierced just above or behind the vertical of the suture 

 between the rostral and the first labial. 



L Frontoparietals, parietals, and interparietal distinct ; a post- 

 nasal. 



o. Two labials may be termed suboculars. 



60 to 64 scales round the body, dorsals 



bicarinate 1. fogoensis, p. 157. 



42 to 46 scales round the bodj-, dorsals 



tricarinate 2. stanrjeri, p, 157. 



30 scales round the body, dorsals quinque- 



or septemcarinate 13. depressa, p. 166. 



b. A single subocular. 



a. All the dorsal scales with four or more keels. 

 * 34 or more scales round the middle of the body. 



36 to 38 scales round the body ; fronto- 

 nasal slightly longer than broad, in 

 contact with the rostral and the frontal 6. sechellensis, p. 161. 



40 scales round the body ; frontonasal a 

 little broader than long, not forming 

 a suture with the rostral 7. >rrirj7itii, p. 162. 



34 to 38 scales round the body ; ear- 

 opening not larger than the transpa- 

 rent palpebral disk ; frontonasal in 

 contact with the rostral 8, aiweopunctata, p, 162. 



34 to 36 scales round the body : fronto- 

 nasal broader than long ; ear-opening 

 much larger than the palpebral disk . . 9. comorensis, -p. 163. 



34 scales round the body, dorsals with 

 seven to nine keels, two of which are 

 stronger than the others ; ear- opening 

 with two or three long pointed lobules 

 anteriorly 24. dorke, p. 174, 



