213 



Fig. 82. Section Lygosoma. Lygosonia chalcides (I-.). 



Key to the Ind o- A ustralian 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. nigrivcntic 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. loriac p. 215. 



cc. 32 scales I'ound the body ; 1 7 lamellae 



under the fourth toe; dark brown 



above 53. L. wollastoni p. 216. 



lid. 36 scales round the body; 13 — 14 



lamellae under the fourth toe; body 



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

 ce. 34 — 38 scales round the body; 14 



lamellae under the fourth toe ; body 



with 7 or 9 dark longitudinal lines 55. L. ncnhanssi p. 217. 



2. Three to six pair of nuchals. 



a. 24 scales round the body; 12 — 13 



lamellae under the fourth toe .... 56. L. oligokpis p. 218. 



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



17 lamellae under the fourth toe . . ^"j. L. solomonis p. 219. 



