S. ITGOSOilA. 313 



hind limb is contained thrice and one third in the distance between 

 axilla and groin. Tourth toe slightly longer than third. The 

 frontal a little longer and forming a very short suture Avith the 

 frontonasal. " Colour above olive-brown, with an iridescent blue 

 tinge, purer brownish on the tail, pale brownish olive at the sides of 

 the body ; each scale, above and at the side, is indistinctly mottled 

 with dark, and there are generally a few white spots on the side of 

 the neck and about the shoulder : a narrow white, slightly black- 

 margined band rises from behind the orbit and continues on each 

 side of the back ; it becomes indistinct in the middle of the body, 

 but is again slightly more conspicuous above the hip, gradually 

 disappearing on the tail, which is indistinctly speckled with dark 

 brown at the sides." 



millim. millim. 



Total length !S!) Fore limb 7-5 



Head 8 Hind limb 10 



Width of head 5 Tail 36 



Body 45 



Pegu, Burma. 

 a. Ad. ? Sir A. Smith [P.]. 



115. Lygosoma anguinum. 



Riopa anguina, part., Thethald, Joiirn. Linn. Soc. x. 1868, p. 27 ; 



Anders. Proc. Zool. Soc. 1871, p. 159. 

 ■ anffuina, Stoliczka, Journ. As. Soc. Beng. xli; 1872, p. 130, pi. v. 



fig. 4'^ Theoh. Cat. liept. Brit. Ind.j>. 64. 



Body much elongate, limbs very weak ; the distance between the 

 end of the snout and the fore limb is contained twice and a half to 

 three times in the distance between axilla and groin. Snout short, 

 obtuse. Lower eyelid with an undivided transparent disk. Supra- 

 nasals distinct, in contact behind the rostral ; frontonasal about 

 twice as broad as long, forming a suture with the frontal ; prse- 

 frontals small and widely separated ; frontal a little shorter than 

 frontoparietals and interparietal together, iu contact with the first 

 and second supraocuhirs ; four suj)raoculars ; seven supraciliaries, 

 first and last largest ; frontoparietals distinct, a little larger than the 

 interparietal ; parietals forming a suture behind the latter shield ; 

 a pair of nuchals and a pair of temporals border the parietals ; fifth 

 iipper labial below the centre of the eye. Ear-opening small, 

 roundish. 22 scales round the middle of the body, all smooth, sub- 

 equal. Marginal praeanals scarcely enlarged. The fore limb, when 

 stretched forwards, does not reach the ear ; the length of the hind 

 limb is contained four to five times in the distance between axilla 

 and groin. Digits very short ; third and fourth toes equal. Uni- 

 form olive-brown or rufous above, lighter inferiorly. 



