444 AMBLYCEPHALID^. 



loreal longer than deep ; one prfeooular ; a crescentic subooular ; a 

 small postocular sometimes present; temporals elongate, 2+3 ; 

 seven or eight upper labials ; three pairs of large chin-shields, 

 anterior longer than broad and in contact with the symphysial. 

 Scales smooth, equal, in 15 rows. Ventrals 136-151 ; anal entire ; 

 Bubcaudals 37-47. Brown or dark grey above, with irregular 

 transverse series of black and white spots ; a white nuchal collar 

 may be present ; lower parts white, spotted or dotted with black on 

 the sides. 



Total length 350 millim. ; tail 57. 



Canton, Hong Kong, Hainan, Coohinchina, Siam, Tenasserim. 



.«. Hgr. (V. 136; 0. 44). Hong Kong. Indian Museum [E.], 



*. 2 (V. 136 ; C. 42). Lao Mountains. M. Mouhot [0.1. 



c. $ (V. 154; 0. 38). Camboja. 



5. Amblycephalus andersonii. 



Pareas andersonii, Bouleng. Ann. Mus. Genova, (2) vi. 1888, p. 601, 



pi. V. fig. 3. 

 Amblycephalus andersonii, Bouleng. Faun. Ind., Rept. p. 416 (1890). 



Internasals about one third the length of the praefrontals ; 

 latter entering the eye; frontal slightly longer than broad, two 

 thirds the length of the parietals ; supraocular moderate, not quite 

 half the width of the frontal ; a small loreal ; a praeooular, a post- 

 ocular, and a crescentic subocular, excluding the labials from the 

 eye ; temporals 2 + 3 ; seven upper labials, seventh very long ; three 

 pairs of large chin-shields. Scales in 15 rows, dorsals feebly 

 keeled. Ventrals 153-155 ; anal entire ; subcaudals 38-46. Dark 

 brown above, with distant small black spots with a white dot ; 

 labial region spotted black and white; lower parts white, with 

 ■closely-set squarish black spots. 



Total length 350 millim. ; tail 52. 



Upper Burma. 



6. Amblycephalus modestus. 



Pareas modestus, Theob. Journ. Linn. Soc. x. 1868, p. 55, and Cat. 



Rept. Brit. Ind. p. 204 (1876). 

 Amblycephalus modestus, Bouleng. Faun. Ind., Bepf. p. 416 (1890). 



Internasals small ; praefrontals large, entering the eye ; supra- 

 ocular small ; loreal moderate ; praeoculars two, very small ; post- 

 ocular one, very small ; a band-like subocular, excluding the labials 

 from the orbit ; two anterior temporals ; seven upper labials, seventh 

 very long ; three pairs of large chin-shields. Scales in 15 rows, 

 dorsals faintly keeled. Colour above uniform brown ; below pale 

 jellowish. 



Pegu. 



7. Amblycephalus macularius. 



Pareas macularius, Theob: Journ. Linn. Soc. x. 1868, p. 64. 



berdmorii, part., T?i£ob. Cat. Sept. As. Soc. Mus. 1868, p. 63. 



