2. AMBLYCEPHALUS. 443 
154-170; anal entire; subcaudals 26-55. Yellowish or pale. 
brown 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. 2 (V. 168; C. 40). Sarawak. A. Everett, Esq. [C.]. 
b. & (V.169; C. 55). Mt. Dulit, Sarawak. C. Hose, Esq. on 
c. 2 (V.170; C. 37). Bongon, N. Borneo. A. Everett, Esq. [C. |e 
3. Amblycephalus monticola. (Puiare XXIII. fig. 1.) 
Dipsas monticola, Cantor, Proc. Zool. Soc. 1839, p. 53. 
Pareas monticola, Giinth. Rept. 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., Rept. p. 415, fig. 
(1890) ; W. L. Sclater, Journ. As. Soc, Beng. lx. 1891, p. 247. 
Rostral as deep as broad; internasals not more than half as long. 
as the prefrontals; 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; a preocular 
below the loreal ; two postoculars ; 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 hills, Nicobar Islands. 
a. 6 (V.198; C. 84). Naga hills, Assam. Dr. Cantor. (Type.) 
b go (V. 194; C. 87). Khasi hills. Dr. Griffith. 
ce. ¢ (V.188; 0.75). Darjeeling. uf T. Blanford, Esq. 
P.). 
4, Amblycephalus moellendorfii. 
Pareas carinata, part., Giinth. Rept. Brit. Ind. p. 826 (1864). 
moellendorttii, Boettg. Ber. Offend. Ver. 1885, p. 125, and 1888,. 
p. 84, pl. ii. fig. 1; Cope, Proc, Ac. Philad. 1894, p. 424 (1895). 
ea moellendorfli, W. L. Sclater, List Sn. Ind. Mus. 
(1891). 
Rostral nearly as deep as broad ; internasals not more than half 
as long as the prefrontals ; latter entering the eye ; fronta] 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 ;. 
