282 COLUBRID. 
Hydrophis fasciatus, Peters, Mon. Berl. Ac. 1872, p. 849, pl. i. fig. 1; 
B . Faun. Ind., a 404 (1890); Boettg. Ber. Offend. 
Ver. Nat. 1892, pp. 89 & 155. 
Head very small; body long, very slender anteriorly. Rostral 
nearly as deep as broad; frontal longer than broad, as long as its 
distance from the rostral ; one pre- and one or two postoculars ; a 
single anterior temporal, followed by a second equally large ; six or 
seven upper labials, third and fourth entering the eye, second largest 
and usually in contact with the prefrontal ; two pairs of small chin- 
shields, in contact with each other. 25 to31 scales round the neck, 
40 to 48 round the body; all the scales rhomboidal and imbricate, 
or scales subimbricate or juxtaposed on the posterior part of the 
body, on the neck smooth, on the body with a small tubercle or 
short keel. Ventrals feebly enlarged, 345-500. Head and neck 
black, the latter with yellowish cross-bands ; body pale, with black 
cross-bands or annuli, which are broadest on the back. 
Total length 1000 millim.; tail 85. 
From the coasts of India to China and New Guinea. 
ad (V. 402). Malabar. 
b. 2 fg . 447). Madras. | T. C. Jerdon, Esq. [P.}. 
e. 3 (V. 364). Siam. (Type of HZ. atriceps.) 
d, + (V. 412), Siam. 
e. Yg. (V. 452), China. W. Lindsay, Esq. [P.]. 
(Type of A. lindsay.) 
ate (V. 480). Pinang. Dr. Cantor. 
eet 8 (V. 370, Malay Archipelago. Dr. Bleeker. ” 
t. 2 (V. 500). East Indies. T. C. Eyton, Esq. [P. 
k-l, Hgr. (V. 435) East Indies. East Thdia Conese 
& yg. (V. 458). (P.}. i 
m, 2 A . 425). —-? Haslar Collection, 
n. & (V. 853), —? Dr. Giinther [P.]. 
(Type of H. atriceps.) 
18. Hydrophis brookii. 
Hydrophis brookii, Giinth. Proc. Zool. Soc. 1872, p. 597, fig. 
Head very small; body long, extremely slender anteriorly. 
Rostral a little broader than deep; frontal slightly longer than 
broad, as long as its distance from the end of the snout, much 
shorter than the parietals ; one pre- and one postocular; a single 
anterior temporal, followed by a second equally large; six upper 
labials, third and fourth entering the eye, second largest and in 
contact with the prefrontal ; two pairs of small chin-shields, in 
contact with each other. 30 scales round the neck, 42 round the 
body ; all the scales rhomboidal and imbricate, on the neck smooth, 
on the body with a small tubercle or short keel. Ventrals feebly 
enlarged, 416. Head and anterior part of body black, the former 
with a horseshoe-shaped yellowish marking on the head, the latter 
with yellow rings, the anterior of which are interrupted below ; 
FO bee EE ey lin 
