26 5 



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 II rays. . . . U. lepturus p. 265. 



Ventral distance of gillopenings greater than their width. 

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



Fig. 114. Open mouth of Uroconger lepturus (Rich.). In the specimen drawn 

 the duplification of the end of the single vomerine series was nor clearly visible. 



I. Uroconger lepturus (Rich.). 



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



Voyage Erebus & Terror, Prt. II. Fishes 1844, p. 108. 

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

 Conger leptnrus Bleeker, Act. Soc. Sc. Indo-Neerl. III. 1858, Bijdr. Vischfauna 



Sumatra, p. 49. 



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

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

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

 Uroconger lepturus Day, Fishes of India 4. 1878 1888, p. 66 1. 



Height about 20 23 '/ 2 ; 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 ! / 2 6 ! / 2 - Snout produced, depressed, 

 4 times in head. Cleft of mouth extending somewhat beyond 

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



