8. LYGOSOMA. 217 
** Har-opening larger than the transparent palpebral 
disk. 
26 scales round the body ............ 58. challengert, p. 268. 
(8. The suture between the rostral and the frontonasal 
narrower than the frontal. 
* Transparent palpebral disk much smaller than the 
eye. 
t Ear-opening much larger than the transparent 
palpebral disk; 16 to 18 lamelle under the 
fourth toe. 
36 scales round the middle of the body ; 
three supraoculars ................ 59. cupreum, p. 268. 
42 scales round the hody; four supra- 
OCUMARS: ae citrges des cao hee whore oes 60. lichenigerum, p. 269. 
+t Ear-opening much larger than the transparent 
palpebral disk; 20 or more lamelle under the 
fourth toe. 
36 to 38 scales round the body ; fronto- 
nasal nearly as long as broad ...... 61. nigrofasciolatum, 
48 to 52 scales round the body; fifth [p.270. 
upper labial below the centre of the 
CVO dre edew iar aeaige esau oe ess 62. telfairii, p. 270. 
40 to 50 scales round the body; sixth 
upper labial below the centre of the 
CVE ere es yeha Geer engeanieeas 63. grande, p. 271. 
28 to 32 scales round the body; rostral 
nearly twice as broad as deep ...... 64. moco, p. 272. 
32 to 36 scales round the body; rostral [p. 278. 
slightly broader than deep ........ 65. lineo-ocellatum, 
34 scales round the body; ear-opening [p. 274. 
as large as the eye-opening ........ 66. infrapunctatum, 
ttt Ear-opening not or scarcely larger than the 
transparent palpebral disk; 16 to 20 lamelle 
under the fourth toe. 
36 to 38 scales round the body........ 67. smithii, p. 274, 
26 to 28 scales round the body........ 68. eneum, p. 275. 
** Transparent palpebral disk nearly as large as the 
eye. 
28 to 82 scales round the body.....+.. 69. entrecasteauxii, 
[p. 276. 
a. 
