2. AMBLTOEPHALTJS. 443. 



154-170; anal entire; subcaudals 26-55. Yellowish or pale- 

 bro-vra above, with rather irregular dark brown cross-bars, which 

 are interrupted on the spine; vertebral scales yellowish; head 

 sometimes whitish ; sides and lower surface of neck black ; belly 

 whitish, uniform or speckled with dark brown. 



Total length 440 millim. ; tail 50. 



Malay Peninsula, Sumatra, Borneo. 



a. $ (V. 168 ; C. 40). Sarawak. A. Everett, Esq. [0.1. 



*. S (V. 169 ; C. 55). Mt. Dulit, Sarawak. 0. Hose, E.sq. rO.l. 



c. $ (V. 170 ; 0. 37). Bongon, N. Borneo. A. Everett, Esq. [0.> 



3. Amblycephalus monticola. (Plate XXIII. fig. 1.) 



Dipsas monticola, Cantor, Proc. Zool. Soc. 1839, p. 53. 



Pareas monticola, Gunth. Kept. Brit. Ind. p. 327 (1864) ; Anders, 



Proc. Zool. Soc. 1871, p. 188 ; Theob. Cat. Rept. Brit. Ind. p. 203 



(1876). 

 Amblycephalus monticola, Bouleng. Faun. Ind., Mept. p. 415, fig. 



(1890) ; W. L. Sclater, Journ. As. Soc. Bmg. Ix. 1891, p. 247. 



Eostral as deep as broad ; internasals not more than half as long 

 as the prsefrontals ; latter entering the eye ; frontal a little longer 

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

 little shorter than the parietals ; loreal entering the eye ; apraeocular 

 below the loreal ; two postooulars ; temporals 2+3; seven upper 

 labials, fourth or fourth and fifth entering the eye ; three pairs of 

 large chin-shields, anterior longer than broad and in contact with 

 the symphysial. Scales in 15 rows, smooth ; vertebrals enlarged,, 

 hexagonal. Ventrals 188-194 ; anal entire ; subcaudals 70-87. 

 Brown above, with vertical blackish bars on the sides ; a black line 

 from above the eye to the nape, and another from behind the eye 

 to the angle of the mouth ; yellowish below, dotted with brown. 



Total length 600 millim. ; tail 135. 



Eastern Himalayas, Khasi and Naga hiUs, Nicobar Islands. 



a. S (V. 193 ; C. 84). Naga hills, Assam. Dr. Cantor. (TypB.> 



6. <J (V. 194; 0. 87). Khasi hills. Dr. Griffith. 



c. cJ (V. 188 ; 0. 75). Darjeeling. W. T. Blanford, Esq.- 



4. Amblycephalus moellendorffii. 



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



moellendorffii, Boettg. Ber. Offenb. Ver. 1885, p. 125, and 1888,. 



p. 84, pi. ii. fig. 1 ; Cope, Proc. Ac. Philad. 1894, p. 424 (1896). 

 Amblycephalus moellendorffii, W. L. Sclater, List Sn. Ind. Mus.- 



(1891). 



Kostral nearly as deep as broad ; internasals not more than half 

 as long as the prsefrontals ; latter entering the eye ; frontal as long, 

 as broad or a little longer than broad, longer than its distance from 

 the end of the snout, shorter than the parietals ; supraocular small ;, 



