SEA SNAKES IN THE INDIAN MUSEUM. 

 2. Hydrophis nigrocinctus Daud. 



Hydrophis nigrocinctus, Blgr., Cat. Snakes Brit. Mies. Vol. Ill, p. 277. 



,, ,, Sclater, List Snakes Ind. Mus. (1891) p. 63, No. 8239. 



Distira lapemidoides, Sclater, List Snakes Ind. Mus. (1891) p. 66, No. 8235. 



281 



Museum 

 No. 



Age. 



Habitat. 



Donor. 



Scales. 





Two head's-lengths 

 behind head. 



Midbody. 



Two head's-lengths 

 before vent. 



Ventrals. 



8235 

 8239 



Young ... 

 Adult 



? 

 ? 



? 



? 



,8 



27 



37 

 3 



37 

 36 



339 



305 



Rostral, — portion seen above less than half the suture between the nasals. Praefron- 

 tals touch no supralabial. Frontal, — the parietal sutures largest, and fully twice as 

 long as the praefrontals. Temporals, — two or three anterior, succeeded by two small 

 scales in contact with the parietals. Marginals, — none in one specimen No. 8235. 

 One between the 3rd and 4th infralabials in No. 8239. Infralabials, — 4. Fourth largest, 

 and in contact with three or four scales behind. Suture between the first equal to or 

 rather less than the suture between the anterior sublinguals. Sublinguals, — two well- 

 developed pairs, posterior in contact or just separated. Costals imbricate everywhere. 



Evidently a very rare snake. I have seen two examples only. 



3. Hydrophis latifasciatus Giinth. 



Hydrophis latifasciatus— Blgr. Cat. Snakes Brit. Mus. Vol. Ill, p. 279 and Plate XIII. 

 ,, ,, Sclater, List Snakes Ind. Mus. (1891) p. 63, No. 11496. 



,, coronatus Sclater, List Snakes Ind. Mus. (1891) p. 63, Nos. 8522 and 



8773. 





Age. 



Habitat. 



Donor. 



Scales. 





Museum 

 No. 



to 



c 





CO 



bo 



a 



in ~ 



Ventrals. 











T3 _a 







X) 



"3. 



1i> 

 * O 

 P Xi 













t— 1 



* 



r- 1 





8522 



Adult 



Sundarbans 



Captain H. Butcher ... 



21 



28 



30 



345 



8773 



,, 



Calcutta ... 



Sir J. Fayier 



22 



29 



3i 



354 



1 1496 



„ 



Mergui Expedition ... 



J. Anderson 



21 



28 



29 



3IO 



