222 CHAEACINID.^. 



diameter of eye. Gill-rakers rather long, 16-18 on lower part of 

 anterior arch. Dorsal II 7-8, well behind vertical of base of ventrals, 

 originating much nearer root of caudal than end of snout, longest ray f 

 to I length of head. Anal III 12-13. Pectoral shorter than head, not 

 reaching ventral. Caudal forked. Caudal peduncle 1^ to IJ times as 

 long as deep. Scales with numerous anastomosing canals, 28-29 gf» 

 2 between lateral line and ventral. Olive-brown above and on the 

 sides, whitish beneath ; a large round black spot on the caudal peduncle, 

 at the base of the caudal fin ; fins greyish, or blackish at the end. 



Total length 250 millim. 



South Cameroon. 



1-3. Types. Kribi Elver at Elulen. G. L. Bates, Esq. (C). 



4-5. Ad. 



G. Yg. Carapo Eiver. ,, 



25. ALESTES BREVIS. 

 Bouleng. Ann. & Mag. N. H. (7) xii. 1903, p. 594. 

 ? Alestes macrolepidotus, Steind. Notes Leyd. Mus. xvi. 1894, p. 63. 



Depth of body 2f to 3 times in total length, length of head 3|- to 4^ 

 times. Head If to If times as long as broad, 1^ to 1\ times as long 

 as deep; distance between end of snout and occiput not or but slightly 

 exceeding width of head ; snout scarcely projecting beyond lower jaw, 

 1 to Ig times as long as eye ; eye lateral, visible from above and from 

 below, its diameter 3 to 4^ limes in length of head; adipose eyelid 

 scarcely developed ; interorbital width \ length of head ; maxillary not 

 reaching to below anterior border of eye ; 18 or 20 teeth (-g-^) in upper 

 jaw, 10 (r,) in lower ; lower border of second suborbital as long as or 

 longer than diameter of eye. Gill-rakers rather short and thin, 18 to 20 

 on lower part of anterior arch. Dorsal II 8, above middle of space 

 between ventrals and anal, considerably nearer caudal than occiput ; first 

 branched ray longest, | to f length of head. Anal III 13-15, pointed 

 in front, third simple ray longest, f to f length of head. Pectoral 

 nearly as long as head, reaching or nearly reaching ventral. Caudal 

 deeply forked. Caudal peduncle not longer than deep. Scales with 

 numerous anastomosing canals, 21-23 jjf, 1 or IJ between lateral line 

 and root of ventral. Uniform brownish above, silvery white below. 



Total length 225 millim. 



Lagos, Gold Coast, Liberia C?). 



