213 



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



Key to the I n d o-Au st ralian 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. L. loriae p. 215. 



cc. 32 scales round the body ; 1 7 lamellae 



under the fourth toe; dark brown 



above 53' ^- '(^ollasioni p. 216. 



dd. 36 scales round the body; 13 — 14 



lamellae under the fourth toe ; body 



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

 ec. 34 — 38 scales round the body; 14 



lamellae under the fourth toe ; body 



with 7 or 9 dark longitudinal lines 55. L. 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. 2i8. 



b. 24 — 26 scales round the body; 15 — 



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



