336 y 
2 gb ANAtd 
1. Macrones Duméul. 
(C. DumERIL, /chthyologie analyt. 1856, p. 484). 
(Hypselobagrus, Hemibagrus, Aspidobagrus Bleeker). 
Elongate. Head more or less depressed, smooth or rugose 
above, covered by thin skin, with a median fontanel. Occipital 
process reaching or not reaching to basal bone of dorsal spine. 
Snout prominent, mouth arcuate, lips thin. Eyes with a free 
orbital margin. 8 barbels of different length. A short dorsal 
with a pungent spine, its hindborder more or less serrated 
behind. Adipose fin much longer or shorter than anal, which 
has less than 20 rays and is opposed to it. Pectorals with a 
pungent spine, denticulated behind. Origin of ventrals below 
or behind end of dorsal. Caudal deeply forked. Teeth in bands 
in the jaws, in a curved band on the palate. Gillmembranes 
nearly totally separated, free from isthmus. Branchiostegals 
8—13. 
Fig. 145. Macrones nigriceps (C. V.). X 3/5. 
Syn 0 pists) lof thiegsipe cies: 
I. Adipose fin much longer than anal. 
a. Median fontanel extending to base of occipital 
process. 
a. Adipose fin contiguous with dorsal. ..... M. nigriceps p. 337. 
f. Adipose fin commencing at a distance from 
dorsal’ Raeki source ances e OnE .. WM. baramensis p. 338. 
6. End of median fontanel far distant from base 
Of Occipital prOcessmeit. im meweErn. Sho dhoAd . . MM. micracanthus p. 339. 
Il. Adipose fin about equal to anal. 
a. Upper surface of head rugose. 
