246 



anals not or slightly enlarged. Limbs strong, pentadactyle, 

 overlapping when adpressed. 



89. Z. cuneiceps p. 249. 



Fig. 88. Section Emoa. Lygosoma cya/mruin (Less.). 



Key to the Indo-Australian species. 



A. Frontal much longer than the praefrontal. 

 I. 40 or more lamellae under the fourth toe. 



a. Interparietal distinct. 



1. 24 — 26 scales round the body; 70 — 90 



lamellae under the fourth toe 87. L. cyanogaster p. 248. 



2. 28 — 32 scales round the body; 38 — 47 



lamellae under the fourth toe 88. L. sorex p. 249. 



3. 33 — 36 scales round the body; 75 — 87 

 lamellae under the fourth toe 



b. Interparietal fused. 

 I. Ear-opening slightly larger than the pal- 

 pebral disk, with one to three small lobules 

 anteriorly. 

 aa. 26 — 28 smooth scales round the body; 



50 lamellae under the fourth toe . . . 

 bb, 30 or 32 scales round the body, dorsals 



with 5 or 7 feeble keels; 40 — 42 lamellae 



under the fourth toe.[ 91. Z. klossi p. 251. 



cc. 40 — 46 (34) scales round the body, 



dorsals with 3 — 5 indistinct keels; 



44 — 58 lamellae under the fourth toe. 92. Z. htekenthali p. 251. 



90. Z, tctrataenia p. 250. 



