﻿52 



Danau Sriang, river Sambas, Prabukarta, river Mahakam : 

 Samarinda!, Batu Pangal !, River Bo; Upper Riko !). — Siam. 



2. Chela hypophthalmus Blkr. 



Chela hypophthalmus Bleeker, Ichth. Arch. Ind. Podr. II. Cyprini, i860, p. 471. — 



Atl. Ichth. III. 1863, p. 134. 

 Chela hypophthalmus Gunther, Cat. Brit. Mus. VII. 1868, p. 336. 



D. 2.7—8; A. 2.30—32; P. I. II — 13; V. 1.6; L. 1. 59—63; 

 12 

 L. tr. T. 

 6 



Oblong, strongly compressed. Profile of back slightly convex. 

 Height 3 — 3.5, 4 or a little more in length with caudal. Head 

 about 473, 5.2 — 5.4 in length with caudal. Eye more than 3 

 to 3.4, equal to snout and scarcely more than interorbital space. 

 Origin of dorsal opposite to that of anal, much nearer to base 

 of caudal than to head. Height of dorsal '\ length of head, 

 about equal to first elongated ray of anal. Ventrals inserted 

 somewhat above the ventral profile, about ^\^_ length of head. 

 Pectorals one third longer than head, reaching anus or even anal. 

 Caudal deeply emarginate, equal to head. Lateral line with 

 a gentle curve, the top of which is about above the anus. 

 Silvery, back darker, with a silvery longitudinal band. Fins 

 hyaline, caudal with a black margin and darkish lobes, the 

 anal may have a black margin. Length 165 mm. 



Habitat: Sumatra (Palembang, river Kampar: Gunung 

 Sahilan!; Indragiri); Borneo (Sarawak [British Museum], river 

 Kapuas: Sintang!, Sebruang, Knapei, river Mendalan !). 



3. Chela oxygaster (C. V.). 



Oxygaster anomalarus van Hasselt, Alg. Konst- en Letterbode 1823, II. p. 133 



(no description). 

 Leuciscus oxygaster Cuvier & Valenciennes, Hist. Nat. Poissons, XVII. 1844, p. 349. 

 Leuciscus oxygaster Bleeker, Nat. Tijdschr. Ned. Indie V. 1853, p. 453. 

 Chela anomalurns Bleeker, Ichth. Arch. Ind. Prodr. II. Cyprini, i860, p. 473. — 



Atl. Ichth. III. 1863, p. 136. 

 Chela anomahirus Gunther, Cat. Brit. Mus. VII. 1868, p. 335. 



D. 2.7; A. 3.27 — 31 ; P. 1. 13 — 14; V. 2.7; L. 1. 50 — 6o;L. tr. 

 11^ — ^12 10 



I (after Bleeker) T (after GiJNTHER) '). 



5—7 3 



l) In the specimens seen by us the scales were damaged. 



