2. AMBLTCEPHALTTS. 44& 



Pareas margaritophorus (non Jan), Theoh. Cat. Rept. Brit. Ind. p, 203 



(1876). 

 Amblycepbalus macularius, Bouleng. Faun. Ind., Rept. p. 416 



(1890) ; W. L. Sclater, Journ. As. Soc. Beng. Ix. 1891, p. 248. 



Eostral a little broader than deep ; internasals about half the 

 length of the prsefrontals ; latter entering the eye ; frontal a little 

 longer than broad, longer than its distance from the end of the 

 Bnout, a little shorter than the parietals ; supraocular moderate, 

 nearly half the width of the frontal ; a small loreal ; one praeocular, 

 one postocular, and three or more subooulars, ezcluding the labials 

 from the eye ; temporals much elongate, 2 + 2; seven upper labials, 

 seventh very large ; three pairs of large chin-shields. Scales in 15 

 rows, dorsals feebly keeled. Ventrals 164; anal entire; sub- 

 caudals 50. Pale brown or reddish brown above, with transverse 

 series of dark brown and white spots ; lower parts brownish white, 

 spotted with brown. 



Total length 405 millim. ; tail 70. 



Tenasserim. 



a. S (V. 164 ; 0. 50). Tenasserim. W. Theobald, Esq. [0.]. (Type.) 



8. Amblycepbalus margaritophorus. 



Leptognathus margaritophorus, Jan, N. Arch. Mus. ii. 1866, Bull. 

 p. 8. 



Loreal separated from the eye by the praeooular ; eye surrounded 

 by four shields and the supraocular; seven upper labials, none 

 entering the eye. Scales smooth, in 15 rows. Ventrals 138 ; anal 

 entire ; subcaudals 53. Blackish above, with transverse series of 

 white spots ; a white, black-edged nuchal collar. 



Total length 250 millim. ; tail 56. 



Siam. 



9. Amhlycephalus carinatus. 



Amblycepbalus carinatus, Boie, Isis, 1828, p. 1035 ; W. L. Sclater, 



Journ. As. Soc. Bmg. Ix. 1891, p. 248; Boettg. Ber. Offenh. Ver. 



Nat. 1892, p. 185. 

 Dipsas carinata, ScMeg. Phya. Serp. ii. p. 285, pi. xi. figs. 26-28 



(1887), and AbUld. p. 185, pi. xlv. flgs. 10-12 (1844). 

 Pareas carinata. Bum. Sf Bihr. vii. p. 489 (1854) ; CHinth. Cat. p. 185 



(1858). 

 Leptognathus carinatus, Jan, Elenco, p. 101 (1863), and Icon. 04n, 



37, pi. iv. fig. 3 (1870). 

 Pareas carinata, part., Gunth. Rept. Brit. Ind. p. 326 (1864). 

 berdmorii, part., Theoh. Cat. Rept. As. Soc. Mus. 1868, p. 68. 



Eostral small, deeper than broad ; internasals two thirds the 

 length of the prsefrontals ; frontal as long as broad or a little longer 

 than broad, longer than its distance from the end of the snout, as 

 long as or a little shorter than the parietals ; loreal deeper than long ; 

 eye surrounded by five to seven shields in addition to the supra- 

 ocular, viz., one or two prseoculars, two or three subooulars, one or 



