204 
I. Belodontichthys 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. 1. 20—22; V. g—I10. 
Height about 4'/,—5'/,, head 4'/,—4?/,, eye 5—5'/,. 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 
