312 SILUEID^. 



of inner and -| to nearly once length of head. Gill-rakers rather long, 

 widely set, 10 or 11 on lower part of anterior arch. Dorsal 1 9, last ray 

 in advance of vertical of inner ray of ventral; spine smooth, less than 

 ^ length of head; longest soft ray ^ to f length of head. Adipose 

 dor>al 4 to 5^ times as long as deep, 1^ to If times as long as rayed 

 dorsal ; the space between the two dorsal fins -|- to f the length of the 

 first. Anal 12-13 (8 or 9 rays branched). Pectoral ^ to |- length of 

 head, its spine moderately strong, not serrated in the adult. Ventral 

 equally distant from eye and from caudal, or a little nearer latter. 

 Caudal deeply forked, upper lobe produced into a long filament. Caudal 

 peduncle not or but little longer than deep. Blackish brown or dark 

 steel-blue above, whitish or brassy yellow beneath ; fins grey to blackish. 



Total length 490 millim. 



Lake Victoria. 



1-.5. Ad., hgr., & yg., types. Entebbe. Mr. E. Degen (C). 



G. Ad., ty})e. Near Entebbe. „ 



5. BAGRUS UROSTIGMA. 

 Vincig. Ann. Mus. Geneva, (2) xv. 1895, p. 3G. 



Depth of body 6^ to ()^ times in total length, length of head 3^ 

 times. Head not more than once and ^ as long as broad, smooth above ; 

 snout about f length of head; eye 8 (young) to 14 times in length 

 of head, 2 to 4 times in interorbital width ; nasal barbel reaching 

 anterior border of eye ; maxillary barbel reaching middle of adipose fin 

 in the young, end of rayed dorsal in the adult. Dorsal I 9, longest ray 

 a little longer than head ; last ray above ventral. Adipose fin twice as 

 long as its distance from rayed dorsal, which equals base of latter. 

 Anal 10-11. Pectoral spine strongly serrated on inner side. Caudal 

 forked, upper lobe slightly the longer. Reddish brown above, yellowish 

 white beneath ; caudal fin dotted with black. 



Total length 720 millim. 



Ganana River, Somaliland. — Types in Genoa Museum. 



6. BAGRUS MERIDIONALIS. 



(ninth. Proc. Zool. Soc. 18*J3, p. 62(5 ; Bouleng. Ann. Mus. Congo, Zool. ii. p. 38 

 (1902). 



Depth of body 6^ times in total length, length of head 3^ times. 

 Head nearly twice as long as broad, finely striated above ; occipital 



