263 



B. Praeanals not enlarged. 



1. Scales smooth, 36 round the middle of the 

 body; 21 lamellae under the fourth toe. 



Chin and throat with V — shaped black ' Le^lu^ 



lines 107. L. mentovayiiiin p. 265. 



2. Scales smooth, 34 — 38 round the body; 21 /J"-Jl*l '-- '' ■ 

 lamellae under the fourth toe. No black 



lines on chin and throat 108. L. albofasciolatum p. 266. 



3. Scales smooth or keeled, 28 — 30 round the 

 body; 16 — 19 lamellae under the fourth toe. 

 Lower eyelid scaly or with an opaque disk. 

 Young ones with V — shaped black lines 



on chin and throat 109. Z. rufescens p. 267. 



104. Lygosoma bampfyldei Bartlett. 



Lygosoma bampfyldei^ Bartlett, Straits Br. Asiat. Soc. XXVIII 1895, P- 9^- 

 Lygosoma bampfyldei^ Shelford, Straits Br. Asiat. Soc. XXXV 1901, p. 54. 

 Lygosoma bampfyldei^ Boulenger, Ann. Nat. Hist. (7) VI 1900, p. 192. 

 Lygosoma sc/ineideri^W evneT^ Zool. Jahrb. System. XIII 1900, p. 487, pi. XXXI fig. I. 

 Lygosoma schneideri^ Schenkel, Verh. Ges. Basel XIII 190 1, p. 191. 

 Lygosovia Schneider i^ Volz, Zool. Jahrb. System. XIX 1903, p. 430. 



Snout obtuse; lower eyelid scaly; ear-opening small, oval, 

 with three lobules anteriorly. Supranasals present, in contact 

 behind the rostral ; a distinct postnasal ; frontonasal much 

 more broad than long, forming a broad suture with the frontal ; 

 praefrontals small, separated ; frontal a little longer than fron- 

 toparietals and interparietal together, broader than the supra- 

 ocular region '), in contact with the two anterior supraoculars; 

 four supraoculars; six to eight supraciliaries; frontoparietals 

 larger than the interparietal; parietals in contact behind the 

 latter; no nuchals; a pair of temporals; seven upper labials, 

 two anterior largest, fourth to sixth bordering the eye. Body 

 long, the distance between the tip of the snout and the fore 

 limb is contained one time and three fourths to two times in the 

 distance between axilla and groin ; 38 — 44 smooth scales round 

 the middle; praeanals feebly enlarged. Tail very thick, almost 

 three fourths the length of head and body. Limbs very short, 

 the hind limb is contained two times and a half in the distance 

 between axilla and groin; digits short, compressed, fourth toe 



i) This species forms a connection between the sections Riopa a.ud Lygosoma, 



