214 



CHAKACiNID.E. 



border of eye ; 16 teeth (-g) in upper jaw, 10 (-j) in lower ; lower 

 border of second suborbital a little longer than eye. Gill-rakers long 

 and slender, a little shorter than gill-filaments, 22-26 on lower part 

 of anterior arch. Dorsal II 8, originating immediately behind vertical of 

 base of ventral, nearer caudal than end of snout, longest ray ■§ length of 

 head. Anal III 12-14. Pectoral f to f length of head, not reaching 

 ventral. Caudal forked, with rounded lobes. Caudal peduncle a little 

 longer than deep. Scales with radiating and anastomosing canals, 



— 4— 



2 (-29 yf, 2 between lateral line and root of caudal. Dark green 

 above, silvery beneath ; two large round black spots on each side, 

 the first between lateral line and last rays of dorsal, the second at 

 base of caudal. 



Total length 140 millim. 



Upper Congo. — Types in Congo Museum. Tervueren. 

 1-2 Types. Kutu, Lake Leopold II. M. P. Delhez (0.). 



18. ALESTES T^NIUPUS. 

 Giinth. Ann. & Mag. N. H. (3) xx. 1867, p. 113 ; Bouleng. Poiss. Bass. Congo, 

 p. 156 (1901) ; Pellegr. Bull. Soc. Philom. (9) ix. 1907, p. 22, fig. 



Fig. 161. 





Aleut es tceniurus. 

 Type. 



Depth of body 1\ to 2f times in total length, length of head 4 to 

 i\ times. Head \\ to 2 times as long as broad, as long as deep or 



