140 



far behind branchial opening, as long as distance between 

 corner of mouth and branchial opening or a little longer. 

 Ventrals about half as long as pectorals, their base midway 

 between base of caudal and branchial opening. Caudal rounded. 

 Colour of preserved specimens yellowish, with a faint indica- 

 tion of a silvery band in the posterior part of the body. 

 Fins hyaline. Length 75 mm. 



Nom. indig. : Djulong djulong (Banjermassin). 



Habitat: Singapore; Sumatra (Lake Manindjau, Fort de 

 Kock!, Andalas!, Bagan Api Api!); Borneo (Balikpapan !). 



In rivers. 



5. Dermogenys pusillus v. Hass. 



Dermogenys pusillus van Hasselt, Algem. Konst- en Letterbode, I. 1823, p. 131. 

 Hemiramphus jluviatilis Bleeker, Nat. Tijdschr. Ned. Indie I. 1850, p. 95. - 



Verb. Bat. Gen. XXIV. 1852, Snoekacht. Visschen, p. 16. 

 Dermogenys pusillus Bleeker, Ned. Tijdschr. Dierk. III. 1866, p. 165. Atl. 



ichth. VI. 18661872, p. 64. 



H emir ham phus Jluviatilis Giinther, Cat. Brit. Mus. VI. 1866, p. 275. 

 Dermogenys pusillus Bean & Weed, Proc. U. S. Nat. Mus. Wash. XLII. 1912, p. 595. 



D.9 10; A. 14; P. 1.8; V. 1.5; L.I. 45 50. 



Somewhat compressed, the breadth of the body going 1.2 1.5 

 in its height. Height 7 10, 8 u in length with caudal. Head 

 from tip of upper jaw to branchial opening 2.5 3 in trunk. 

 Entire head 2,3 2.7, 2.8 3.1 in length with Caudal. Length 

 of lower jaw beyond extremity of upper jaw 6.6 8 in length, 

 8 9 in length with caudal. Eye 1.5 to nearly 2 in postorbital 

 part of head, somewhat less than interorbital space. Triangular 

 part of upper jaw truncate in front, longer than broad. Prae- 

 orbital rounded, about equal to half diameter of eye. Teeth 

 small, pointed. Origin of dorsal above 6* 11 anal ray. Dorsal 

 higher than anal, both fins rounded. Pectorals inserted rather 

 far behind branchial opening, as long as distance between 

 corner of mouth and branchial opening or a little longer. 

 Ventrals about half as long as pectorals, their base a little 

 nearer to caudal than to branchial opening. Caudal rounded. 

 Colour of preserved specimens yellowish, with a faint indica- 

 tion of a silvery lateral band, a little more distinct below 

 dorsal, and bordered above by a black line. Length 70 rnm. 



Nom. indig.: Djulong-djulong (Malay. Batavia); Tjaratja 

 (Sumatra). 



