﻿io8 



surrounded by rather thin continuous lips. Barbels small, 

 especially the rostral ones, which may be wanting. A recumbent 

 spine in front of the dorsal, pointing forwards, sometimes 



Fig. 48. Mystacoleucus padangensis (Blkr.) X Vi- 



Fig. 49. Mystacoleuczts marginattis (C V.) 

 Portion of back carrying anterior part 

 of dorsal fin d^ to show the procum- 

 bent spine s in front of dorsal. 

 Enlarged. 



Fig. 50. Phaiyngeal teeth of 

 J/i siacolcucns margmatiis (C.V.) X 4- 



hidden by the scales. Gillopenings extend to below angle of 

 praeoperculum. Gillmembranes united with isthmus. Gillrakers 

 short, conical. Pharyngeal teeth obtuse, uncinate, 4.3.2 — 2.3.4. 

 Distribution: Fresh water of Sumatra, Java, Borneo and 

 Malacca. 



Key to the species. 



1. L. 1. 26 — 29. Barbels 4 M. marginatiis p. 108. 



2. L. 1. 37^ — 39. Barbels 2 or wanting M. padangensis p. no. 



I. Mystacoleucus marginatus (C.V.). 



Bar bus obtnsirostris van Hasselt, Algem. Konst- en Letterbode II. 182 



(no description). 

 Bai-bus marginatus Cuvier & Valenciennes, Hist. Nat. Poissons XVI. 18^ 

 Barbiis obiusirostris Cuvier & Valenciennes, Hist. Nat. Poissons XVI. 1842, p. 167. 

 Barbus marginatus Bleeker, Nat. Tijdschr. Ned. Indie V. 1853, p. 518. 

 Systomus (Barbados) marginatus Bleeker, Icht. Arch. Ind. Prodr. II. Cyprini, 



i860, p. 351. 



3, P- 132. 

 12, p. 164. 



