﻿298 



a specimen of 929 mm.), about twice in snout, v/hich is some- 

 what depressed, prominent but obtuse, more pointed in young. 

 Posterior nostrils somewhat in advance of eye, anterior nostrils 

 in a short tube. Cleft of mouth about 4 times in length of 

 head, extending far behind eye. Dorsal beginning behind gill- 

 openings at a distance equal to or longer than half length of 

 head; dorsal and especially anal very low, both ending at a 

 very short distance from tip of tail. Pectorals 4 times in length 

 of head. Teeth granular, in several series, forming bands, broader 

 in adult examples; on vomer 3 to 4 series; those on inter- 



OoOGo^noO 00 <J 00<-^ <?oQ,o ^0?,° 00^ 



00 o ooo oo9 "o"." 000 000 <?^o Vo 



si^ "^ °o*„ M it ^s '" *= 



i& " °|3i ~ f - 



o O O o 34 



^^^. -n-i, o 1/ 



Fig. 140. Dentition of Pisopdoiioplils horo Fig. 141. Dentition of 



(Ham. Buch.) adult. X 2'/2- risaodonophis /'(?;•(' (Ham. Buch.)juv. 



a teeth on intermaxillary plate, m maxillary, uid mandibiilary, v vomerine 



teeth, X 2V2- 



maxillary plate stouter, not separated from vomerine teeth, 

 in old examples forming an oval group. Blackish brown above, 

 lighter below. Length 930 mm. 



Habitat: Sumatra (Lower Langkat) ; Singapore; Java (Prigi) ; 

 Celebes (Makassar!, Menado); Rusa Linguette, north coast of 

 Flores!; Ambon; Halmaheira; Goram; New Guinea (Doreh). — 

 Formosa; Cochin; Macao; Swatow; British India. 



In sea, estuaries, brackish and fresh water, ascending rivers. 



3. Pisoodonophis micropterus Blkr. '). 



Pisoodonophis //licroptcrus Bleeker, Ned. Tijdschr. Dierk. I. 1863, p. 182. — 



Ibid, II. 1864/65, p. 129. — Atl. Ichth. IV. 1864, p. 59. 



Height about 40 ; head about 13; 4 times in trunk; head 

 and trunk shorter than tail. Eye 14, about twice in snout. 

 Posterior nostrils below anterior margin of eye, anterior nostrils 



i) This species has been overlooked by GOnther in his Catalogue Brit. Mus. 

 VIII, 1870. 



