416 AMBLYCEPHALID^E. 



Internasals small, about one third the length of the prset'rontals ; 

 the latter entering the eye, between the praeocular and the supra- 

 ocular ; frontal as broad as long, two thirds the length of the 

 parietals ; supraocular very small ; no prseocular ; loreal entering 

 the eye ; one or two postoculars ; temporals 2 + 2; upper labials 6, 

 third and fourth, or third, fourth, and fifth, entering the eye, sixth 

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

 smooth; vertebrals slightly enlarged. Ventrals 150-176; anal 

 entire ; subcaudals 34-46. Brown above, with irregular transverse 

 blackish cross bands ; lower parts brownish or yellowish, with 

 transverse brown spots on the sides. 



Total length 16 inches; tail 3. 



Hob. Java, Borneo, and Malacca. This species is said to occur 

 also in the Khasi Hills, a statement which may be due to confusion 

 with the allied A. monticola. 



516. Amblycephalus andersonii. 



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

 pi. v, fig. 3. 



Internasals small, about one third the length of the prsef rentals ; 

 the latter entering the eye, between the praeocular and the supra- 

 ocular ; frontal slightly longer than broad, two thirds the length of 

 the parietals ; supraocular moderate, not quite half the width of 

 frontal ; a small loreal ; a praaocular, a postocular, and a band-like 

 subocular, excluding the labials from the eye; temporals 2+3; 

 upper labials 7, seventh very long ; three pairs of large chin- 

 shields. Scales in 15 rows, dorsals feebly keeled. Ventrals 

 153-155 ; anal single ; 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 14 inches ; tail 2. 



Hob. Upper Burma (Bhamo, and Kakhyen Hills). 



517. Amblycephalus modestus, 



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

 p. 204. 



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

 ocular small ; loreal moderate ; prseoculars two, very small ; 

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

 labials from the orbit ; two anterior temporals ; 7 upper labials, 

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

 rows, dorsals faintly keeled. Colour above uniform brown ; below 

 pale yellowish. 



Hob. Pegu. Unknown to me. 



518. Amblycephalus macularius. 



Pareas macularius, Theob. Journ. Linn. Soc. x, 1868, p. 54. 

 Pareas berdmorii, Theob. Cat. Kept. As. Soc. Mus. 1868, p. 63. 

 Pareas rnargaritophorus (non Jan), Theob. Cat. p. 203. 



