300 | COLUBRID. 
210. ENHYDRIS. 
Enhydris, , Merrem, Tent. Syst. Amph. p. 140 (1820). 
Biydrophic past Schleg. Phys. Soe. ii. p. 438, (1837) ; Dum. §& Bibr. 
Erp. Gén. vii. p. 1841 (1884) ; Jan, Elenco sist. Ofid. p- 109 (1868) ; 
Giinth. Rept. rit Ta Ind. p 360 aoe 
Lapemis, Gray, Zool. Mise p. 60 (1842), and Cat. Sn. p. 43 (1849). 
Pelamis, part., Fischer, Abh. Naturw. Hamb, iii. 1856, p. 61. 
Enhydris, Bouleng. Faun. Ind., Rept. p. 396 (1890). 
Maxillary as long as the ectopterygoid, extending forwards as far 
as the palatine, with two large poison-fangs and 2 to 4 small feebly- 
grooved teeth. Nostrils superior; head-shields large; nasals in 
contact with each other; a preocular; loreal present or absent. 
Body short and stout ; scales hexagonal or squarish, juxtaposed ; 
ventrals very feebly developed, if at all distinct. 
From the coasts of India to the Chinese Sea and New Guinea. 
1. Enhydris curtus. 
Hydrus curtus, Shaw, Zool. iii. p. 562 (1802). 
Enhydris curtus, Merr. Tent. p. 140 (1820); Bouleng. Faun. Ind., 
Rept. p. 396 (1890). 
a ~s pin, Gray, Zool. Mise. p. 60 (1842), and Cat. p. 44 
Hydror! is propinquus, Jan, Rev. Mag. Zool. 1859 161, Prodr. 
LE oy any loon, Gla die ph i. fig. 2 (1872). 4 
— curta, Giinth. Rept. Brit. Ind. = 879 ple ad : Saag Se 
Thanatop +7 Ind, pl. xxiv. (1874) ; Stoliezka, Proc. 
1872, p. “91; Murray, Zool. Sind, p. 395 (1884). 
Rostral Ook Sut than deep ; internasals twice to thrice as long as 
the suture between the prefrontals ; parietals broken up into small 
shields ; one pre- and.one or two postoculars ; no loreal ; two or 
three superposed anterior temporals; seven upper labials, fourth, 
third, and fourth, or third, fourth, and fifth entering the eye ; chin- 
shields very small and separated by scales, or quite indistinct. 
to 38 scales round the anterior part of the body, 33 to 42 roun 
the middle, with a very feebly-developed tubercle or short keel ; 
the scales on the lower surface, in the male, with a very strong 
spinose tubercle. Ventrals distinct in the anterior half of the 
body, with two spinose tubercles in the male, 150-200. Above 
with dark transverse bands, broadest in the middle; these bands 
are usually very dark, nearly black, but in some old specimens 
rather indistinct; end ‘of tail black. 
Total length 750 millim. ; tail 75. s ? 
Coasts of India and Ceylon. id 
a. ¥ 152). India. , (Typay 7 
4, nies. (W. 152). India. ) 
c. gd (V. 157). Malabar. Se Beddome [O.1. 
d. 2 (V. 194). Mangalore, 8,Canara. __E, Pringle, Esq. [P.]. 
. 2 (V. 160) & yg. T drum, Travan- H. 8. Ferguson, 
ia Nicer Neri | 2 
