﻿296 



Artificial key to the indo-australian species 

 of Pisoodonophis. 



.4. Origin of dorsal behind end of pectorals. 



1. Dorsal and anal very elevated, height of latter 

 equal to that of body; head and trunk nearly 



twice in length of tail /'. Iiypscloplcnts p. 296. 



2. Dorsal and anal very low, head and trunk one 

 and a half times or less in tail. 



a. Head 3.2 — 3.6 times in trunk P. boro p. 297. 



b. Head 4 times in trunk /'. mici-oplcrits jj. 298. 



B. Origin of dorsal above middle of i)ectorals. 



1. Head and trunk equal to length of tail P. liocvciii p. 299. 



2. Head and trunk I'/a times in tail P. cancrlvorus p. 300. 



Fig. 138. Pisoodonophis boro (Ham. Buch.). X V2 



I. Pisoodonophis hypselopterus (Blkr.). 



Ophisunis hypselopterus Bleeker, Nat. Tijdschr. Ned. Indie II. 1851, p. 69. — 



Verh. Batav. Gen. XXV. 1852, Muraenoid. p. 34. 

 Pisoodonophis hypselopterus Kaup, Cat. Apod, fish 1856, p. 19. 

 Pisoodonophis hypselopterus Bleeker, Atl. Ichth. IV. 1864, p. 63. 

 Ophichthys hypselopterus Gunther, Cat. Brit. Mus. VIII. 1870, p. 79. — Fische 



d. Siidsee Heft IX. 1910, p. 400. 



