224 CHARACINID-E. 



Dorsiil originating at equal distance from end 



of snout and from caudal ; Sc. 22-24 . 2. .1/. stonnsi, Blgr., p. 225. 



II. Dorsal originating immediately behind vertical of base of ventral. 



A. Anal 18-22. 



1. Lateral line complete ; Anal 19-22. 

 Depth of body 3^—4 times in total length ; 



Sc. 27-30 3. .1/. h'nn'iUs, Blgr., p. 22('.. 



Dejjth of body 2;;;-3 times in total length ; 



Sc. 23-25 i. M. kola rr/i/ reus, (Jthr., p. 227. 



2. Lateral line incomplete, lost on the posterior part of the body ; depth of 



body 2|-3 times in totil length. 

 A. LS-10; Sc. 25-27; pectoral not reaching 



ventral 5. .1/. iirofnnlu P>lgr.. p. 228. 



A. 21-22 ; Sc. 21-23 ; pectoral reaching 



ventral '•• ^f- ntfernijitits, Blgr., p. 22'.'. 



B. Anal 20-28. 



Depth of body 2!-2.\ times in total length ; 



Sc. 2.3-20 7. .1/. ultiis, Blgr., p. 230. 



1. MICRALESTES ACUTIDEXS. 

 Alestes acutidens, Peters, Mon. Bcrl. Ak. 1852, \k 27(>. and Rci>o Mo-;?anib. iv. 



p. 61, pi. xii. fig. 2 (1808). 

 J3rarlnjalestes acid'ulens, Giinth. Cat. Fi.-h. v. p. 316 (1864). 

 Micralestes acutidens, Bouleng. Ann. Mus. ('ongo, Zool. i. \k 87 (1899), and Proc. 



Zool. Soc. 1903, ii. p. 329 : Werner, Sitzb. Ak. Wien, cxv. i. 1900, p. 112S ; 



Bouleng. Fish. Nile, p. 131, pi. xix. figs. 3 &, 4 (1907). 



Depth of body 3 to 3 J times in total length, length of head oh to 4^ 

 times. Head 2 to 2h times as long as broad, a little longer than deep; 

 snout shorter than eye, which is lateral and 2J to 3 times in length 

 of head, and equal to interorbital width; maxillary extending nearly 

 to below anterior border of eye; 14 teeth (^) in upper jaw, 10 (o) in 

 lower; lower border of second suborbital not longer than eye. Gill- 

 rakers short, 12-15 on lower part of anterior arch. Dorsal II 8, 

 originating above base of ventrnls, at equal distance from centre or 

 posterior border of eye and from caudal ; longest ray as long as or a 

 little shorter than head. Anal III 14-16. Pectoral as long as or a 

 little shorter than head, not reaching ventral. Caudal deeply forked, 

 lobes pointed. Caudal peduncle as long as deep or slightly longer than 

 deep. Scales 23-28 ^^, IJ or 2 between lateral line and root of 

 caudal. Yellowish with a broad silvery lateral band, often edged with 



