208. HYDROPHIS. 279 
single, large anterior temporal; seven or eight upper labials, second ~ 
largest and in contact with the prefrontal, third, fourth, and fifth 
entering the eye; two pairs of small chin-shields, in contact with 
each other. 27 to 29 scales round the neck, 37 to 39 round the 
body ; scales imbricate or subimbricate, with a feeble short keel. 
Ventrals feebly enlarged, 310. Greyish olive above, white beneath, 
with 51 dark annuli. 
Total length 940 millim.; tail 100. 
New Britain. 
a. 3 (V. 310). New Britain. Museum Godeffroy. 
13. Hydrophis latifasciatus. (Pare XIII.) 
Hydrophis latifasciata, Giinth. Rept. Brit. Ind. p. 372, pl. xxv. fig. T 
(1864) ; Blanf. Journ. As. Soc. Beng. xiviii. 1879, p. 182; Bouleng. 
Faun. Ind., Rept. p. 401 (1890). 
Head small; anterior part of body slender, its diameter about 
one third the depth of the posterior part. Rostral broader than 
deep; nasals slightly longer than the frontal, more than twice as 
long as the suture between the preefrontals; frontal small, longer than 
broad, much shorter than the parietals or than its distance from the 
rostral; one pre- and one postocular; prefrontal in contact with 
the second labial; a single large anterior temporal ;. six upper 
labials, second largest, third and fourth entering the eye; two pairs 
of chin-shields, posterior separated by scales; 21 scales round the 
neck, 33 round the body; scales imbricate and keeled. Ventrals 
distinct, but feebly enlarged, 322. Dark olive, sides with vertical 
yellowish bars ; these bars continuous across the neck. 
Total length 720 millim. ; tail 75. 
Mergui; Pegu. 
a. 9 (V. 822). Mergui. Prof. Oldham [P.]. (Type.) 
14. Hydrophis coronatus. 
Hydrophis fasciata, part., Gray, Cat. p. 50 (1849). 
coronata, Giinth. Rept. Brit. Ind. p. 872, pl. xxv. fig. M (1864) ; 
Anders. Proc. Zool. Soe. 1871, p. 192; Fayrer, Thanatoph. Ind. 
pl. xxvi. (1874) ; Bouleng. Faun. Ind., Rept. p. 402 (1890). 
Head very small, narrow; body long, extremely slender ante- 
riorly. Rostral broader than deep; frontal small, a little longer 
than broad, hardly as long as its distance from the rostral ; one pre- 
and one postocular; a single anterior temporal, descending to the 
labial border; six upper labials, third and fourth entering the eye ; 
two pairs of chin-shields, in contact with each other. 19 to 23 
scales round the neck, 29 to 33 round the body; all the scales 
~“rhomboidal and imbricate, dorsals with a keel, laterals with a central 
tubercle. Ventrals hardly distinct, 278-337. Head and neck 
blackish or dark green, the former with a horseshoe-shaped yellow 
mark above, the convexity on the snout, the latter with regular 
