204 CH^VEACIXIDJ]:. 



of base of ventral, a little nearer caudal than end of snout ; longest ray 

 as long as or a little shorter than head. Anal III 18-20. Pectoral f 

 to f length of head, reaching or nearly reaching ventral. Caudal 

 forked. Caudal peduncle a little longer than deep. Scales with 

 radiating and arborescent or anastomosing canals, 25-28 g^, 2 between 



Pi-. 153. 



'■*=^^ 



Alestes chaperi. 

 Type, after Siuivage (Bull. Soc. Zool. France, 18S2). 



lateral line and root of ventral. Silvery, back olive ; a black band on 

 caudal peduncle, extending on caudal fin ; dorsal and caudal red. 



Total length 90 millim. 



Gold Coast to Benin.— Types in Paris Museum. 



1-5. Types. Assini, Gold Coast. M. M. C'liaper (C.) ; 



Paris Mnseiun (E.). 

 ^, Ad. Kotclnvah U., Gold Coast. Vx. B. N. Walker. Esq. (C) ; 



Dr. A. Giinther (P.). 

 7 Ad. Akropon, Gold Coast. B. B. N. Walker, Esq. (C.) ; 



Dr. A. Giinther (P.). 

 g_ Ad. Ethiope U. at Kwale. B. D. Gardner, Esq. (P.). 



11. ALESTES LATEBALTS. 

 Bouleng. Ann. Mns. Congo, Zool. i. p. 130, pi. xlviii. fin- 2 (1000), and Poiss. 



Bass. Congo, p. 153 (1901). 

 Alestes natalensis, Bouleng. Ann. & Mag. N. H. (7) xiv. 1904, p. 155. 



Depth of body equal to length of head, 3f to 4^ times in total length. 

 Head twice as long as broad, a little longer than deep ; snout shorter 

 than eye, which is lateral and 3 times in length of head ; adipose eyelid 



