2I 3 



Fig. 82. Section Lygosoma. Lygosoma chalcides (L.). 



Key to the I nd o-Australian species. 



A. Limbs pentadactyle ; ear distinct. 

 I. Two frontoparietals. 

 a. Four supraoculars. 



1. No nuchals at all or one pair, feebly 

 enlarged. 



aa. 30 scales round the body; 16 20 



lamellae under the fourth toe ... 51. Z. nigriventre p. 214. 

 bb. 30 32 scales round the body; 16 



17 lamellae under the fourth toe; 



blackish-brown above, vermiculated 



with yellowish-brown 52. Z. loriae p. 215. 



cc. 32 scales round the body ; 1 7 lamellae 



under the fourth toe; dark brown 



above 53. Z. -wollastoni p. 216. 



dd, 36 scales round the body; 13 14 



lamellae under the fourth toe ; body 



vermiculated with dark brown ... 54. Z. pratti p. 217. 

 cc. 34 38 scales round the body; 14 



lamellae under the fourth toe ; body 



with 7 or 9 dark longitudinal lines 55. Z. neuhaussi p. 217. 



2. Three to six pair of nuchals. 



a. 24 scales round the body; 12 13 



lamellae under the fourth toe .... 56. Z. oligolepis p. 218. 

 l>. 24 26 scales round the body; 15-*- 



17 lamellae under the fourth toe . . 57. Z. solomonis p. 219. 



