289 
trawavas&e* 
4 
t* Two bulbs, near together, terminal larger 
brevibarbatus • 
S 
r. Barbel with 1 bulb, sometimes divided, but if so 2 parts 
contiguous* 
1 
u* ^ulb divided into basal slender and terminally broadly 
rounded part xenobolus* 
2 
9 
u. Earbel pear shaped, with terminal filament 
3 
u. 
Barbel small, oval,"with broad blunt terainal appendage 
globulifer. 
-*• * *- ► *• 
4 
u. Barbel elongate, with minute terminal filamentj barbel 
long as fish macrophthalmus. 
5 
/ 
u. Barbel elongate, with small filament; barbel 1/2 long 
as fish leptobclus. 
4 
b. Teeth depressible, except few small fixed outer ones; barbel unbranched; 
ventral rays 7, 
1 
v. RHYxTCHOSTOMIAS. Pectoral rays 4 or 5 
parri. 
2 
v. ACHIBOSTOMIAS. No pectoral fins. 
~ 1 
w. Barbel axis unpigmented except terminal streak; 
corner of terminal edge of bulb produced 
dactylobolus* 
2 
w* Barbel axis pigmented nearly to bulb, which has slight 
corner 1 ip oe hints* 
3 
w* Barbel axis pigmented to bulb, which contains black 
body melanobolus* 
