﻿265 



and coasts of the Indo-australian Archipelago, the Philippines, 

 China Sea, Sea of Oman. There are also deep-sea forms known 

 from Atlantic, Pacific and Indie. 



Key to the indo-australian species of Uroconger. 



Ventral distance of gillopenings equal to their width. 

 Height 20 — 23 in length. Pectorals with 9 — 11 rays . . . . i\ lepturiis p. 265. 



Ventral distance of gillopenings greater than their width. 

 Height 12 — 13 in length. Pectorals with 17 rays U. braucri p. 266. 



Fig. 114. Upen mouth of Uroconger leptitnn (Ricli.). In the specimen drawn 

 the duplification of the end of the single vomerine i;eries was nor clearly visiV^le. 



I. Uroconger lepturus (Rich.). 



Conger lepturus Richardson, Zoology Voyage Sulphur, 1844 — 1845, p. 106. — 



Voyage Erebus & 'I'error, Prt. 11. Fishes 1844, p. 108. 

 Uroconger lepturus Kaup, Cat. Apodal Fish 1856, p. no. 

 Conger lepturus Bleeker, Act. Soc. Sc. Indo-Neerl. III. 1858, 15ijdr. Vischfauna 



Sumatra, p. 49. 

 Uroconger lepturus Bleeker. Atl. Jchth. IV. 1864, p. 29. 

 Uroconger lepturus Kner, Fische Novara 1865 — 1867, p. 373. 

 Uroconger lepturus CUinther, Cat. Brit. Mus. VIII. 1870, p. 44. 

 Uroconger lepturus Day, Fishes of India 4". 1878 — 1888, p. 661. 



Height about 20 — 2372; head between 7 and 9, about 1.5 

 in length of trunk; tail twice to twice and a half as long as 

 trunk, much tapering. Eye 5'/.^ — 6^\^. Snout produced, depressed, 

 4 times in head. Cleft of mouth extending somewhat beyond 

 the middle of the eye. Dorsal beginning above the base of 



