2O4 



i. Eelodontichthys dinema (Blkr.). 



Wallago dinema Bleeker, Nat. Tijdschr. Ned. Ind. II. 1851, p. 202. 

 Belodontichthys macrochir Bleeker, Ichth. Arch. Ind. Prodr. I. Siluri, 1858, p. 266. 



Atl. Ichth. II. 1862, p. 80. 



Belodontichthys macrochir Giinther, Cat. Brit. Mus. V. 1864. p. 37. 

 Belodontichthys macrochir Vaillant, Nouv. Arch. Mus. Hist. Nat. (3). V. 1893. p. 64. 



Fig. 79. Belodontichthys dinema (Blkr.). 



B. 14 15; D. 4; A. 85 96; P. i. 20 22; V. 9 10. 



Height about 4Y 2 $ l lv nead 4 ! /2 4 3 /4> e y e 5~ 5'/2- Maxillary, 

 barbels, the proximal part of which is rather stiff, extend to 

 the ventrals- or a little farther, the mandibulary shorter than 

 the eye. Pectorals longer than the head. Upper lobe of caudal 

 the longer. Silvery, back and upper surface of head brownish. 

 Undersurface of head and belly light, fins hyaline. Dorsal and 

 membrane of pectorals more or less blackish. Base of pectorals 

 and caudal more or less dark. Length 550 mm. 



Nomen indig. : Lais (Banjermassin). 



Habitat: Sumatra (Palembang!, Djambi!); Borneo (Banjer- 

 massin, Kapuas). Malacca and Siam. 



In rivers. 



5. Silurodes Bleeker. 

 (BLEEKER. Ichth. Arch. Ind. Prodr. I Siluri 1858, p. 271). 



Compressed, head broad, snout depressed; mouth oblique, 

 eye behind its corner and partly below its level, visible 

 from underneath. Lower jaw prominent. Eyes covered by 

 skin. Nostrils remote from each other. A maxillary and 

 at some distance behind symphysis a mandibulary pair of 

 barbels. Dorsal fin very short, without spine and composed 

 of 3 4 rays. No adipose fin. The long anal free from or 

 connected with base of caudal, which is forked. Ventrals with 

 7 8 rays, below dorsal. Pectorals with a spine. Teeth depres- 

 sible, in the jaws in a broad band, those in the vomer not 



