ALESTES.— MICRALESTES. 

 lis. 167. 



223 



mmmmm 



llw 



Alestes brcvls. 

 Type. i. 



1. Type. 

 2-5. Types. 



Lagos. 

 Gold Coast. 



H. T. Ussher, Esq. (P.). 

 R. B. N. Walker, Esq. (C.) 

 Dr. A. Giinther (P.). 



5. MICEALESTES. 



Braehyalestes, part., Giinth. Cut. Fish. v. p. 314 (1864). 



Mkralestes, Bouleng. Ann. Mus. Congo, Zool. i. p. 87 (1899), Poiss. Bass. Congo, 



p. 160 (1901), and Fish. Nile, p. 131 (1907). 

 Phenacogrammus, Eigenm. Proc. U.S. Nat. Mus. xxxiii. 1907, p. 30. 



Dwarfed Alestes, with the teeth simply compressed, the outer 

 prsemaxillary small and tricuspid, the inner prsemaxillary and the 

 mandibular quinque- or septemcuspid *. 



Vertebra? 34-37. 



Nile and Tropical Africa. 



Synopsis of the Species. 



I. Dorsal originating above base of ventral ; Anal 17-19 ; depth of body 3 to 

 3f times in total length. 

 Dorsal originating a little nearer caudal than 



end of snout; So. 23-28 1. M. acutidens, Peters, p. 224. 



* The inner mandibular teeth are sometimes so small as to be easily overlooked, such 

 eases establishing a c-ompletepnssage between Mieraleetes and Petersius. 



