190 COLUBRID^. 



Ventrals feebly enlarged, 345-500. Head and neck black, the 

 latter with yellowish cross-bauds ; body pale, with black cross- 

 bands or annuli, which are broadest on the back. 



Total length 1000 millim.; tail 85. 



Coasts of India to China and New Guinea. Cautor obtained a 

 young specimen at Penaug. 



208. Hydrophis klossi, sp. n. 



Head small ; body long, very slender anteriorly. Eye nearly 

 as long as its distance from the mouth. Kostral a little broader 

 than deep; frontal very small, as long as broad, not half as large 

 as the supraocular ; a single anterior temporal ; 5 upper labials, 

 fourth, or third and fourth, entering the eye ; two pairs of chin- 

 shields, in contact with each other. 25 scales round the neck, 

 33 round thickest part of body ; scales imbricate, smooth on 

 anterior part of body, keeled on posterior part. Ventrals feebly 

 enlarged, 360. Head and anterior part of body black, the former 

 with small yellowish spots, the latter with yellowish cross-bars, 

 which gradually extend to the belly and transform into rings ; 

 body olive above, yellowish beneatli, with black rings, which 

 are broader than the light interspaces on the back, narrower on 

 the belly. 



Total length 900 millim. ; tail 75. 



This species is based on a single specimen, from Thuala, Selangor, 

 received from the Selangor Museum. 



209. Hydrophis torqiiatus. 



Hydrus nicp-ocinctus (nou Daud.), Cantor, Jouru. Asiat. Soc. Bengal, 



xvi, p. 1019 (1847). 

 Hi/drophis torqicahis, Giinth. Rept. Brit. Ind. p. 369, pi. xxv, 



hg. H (1864j; Boiileng. Faun. Brit. Ind., Rept. p. 402 (1890); 



id. Cat. Sn. iii, p. 283 (1896). 



Head small ; body long, very slender anteriorly. Eye as long 

 as its distance from the mouth. Rostral broader than deep ; 

 frontal small, as long as broad or a little longer than broad, 

 shorter than its distance from the rostral ; one prse- and one 

 postocular ; a single anterior temporal ; 6 or 7 upper labials, 

 third and fourth entering the eye ; two pairs of chin-shields, in 

 contact with each other. 33 or 35 scales round neck, 43 or 45 

 round thickest part of body ; scales imbricate and keeled. Ven- 

 trals feebly enlarged, 240-290. Pale greyish olive, with blackish 

 cross-bands tapering on the sides. 



Total length 500 millim. ; tail 50. 



Bay of Bengal and Straits of Malacca. 



