20S 



CHARACINID.E. 



92. Hgr. Yo R., Lake Chad. 



93-94. Two of the Senegal. 



types of A. senegalensia. 

 95-99, 100-101. Hgr. St. Louis, Senegal. 



& vs. 



102-105, 106-113. 



Hgr. & yg. 

 114. Ad. 

 115-119. Ad. 



120. Ad. 



121. Ad. 



122. Hgr. 



123-128. Hgr. & yg. 

 129-132. Hgr.&yg. 

 133-134. Yg., types 



of A. leuciscus. 



135. Ad. 



136. Hgr. 



137. Ad. 



138. Yg. 



139. Ad. 



Eaedi, „ 



Matam, „ 



Gambia. 



Nyankoma, Gold Coast. 



Mureji, Upper Niger. 

 Jebba, ,, 



Agberi, Lower Niger. 

 Niger. 



Benue R., N. of Ibi. 

 Warri, Old Calabar. 

 Eg Wanga, „ 

 Old Calabar. 



Meme R., Cameroon. 



Capt, G. B. Gosling (P.). 



M. P. Delhez (C). 



J. S. Budgett, Esq. (P.). 

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



Dr. A. Giinther (P.). 

 J. S. Budgett, Esq. (P.). 

 Capt. G. F. Abadie (P.). 

 Dr. C. Christy (P.). 

 Dr. W. J. Ansorge (C). 

 Mr. J. T. Dalton (C). 



H.L.Norton Traill, Esq. (C.) 



Miss Kingsley (C). 



is 

 Dr. Jackson (0.) ; 



Hon. W. Rothschild (P.). 

 G. Linnell (C.) ; 



Prof. E. Lonnberg (P.). 



13. ALESTES AFF1NIS. 



Giinlh. Proc. Zool. Soc. 1894, p. 90 ; Vincig. Ann. Mus. Genova, (2) xvii. 1896, 



p. 28, and 1897, p. 355. 

 Alestes imberi (non Peters), Vincig. op. cit. xv. 1895, p. 28. 

 Brachyalestes ajinis, Fowler, Proc. Ac. Philad. 1906, p. 445, fig. 



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

 times. Head 1| to 2 times as long as broad, as long as deep or slightly 

 longer ; snout rounded, not longer than eye, which is lateral and 3 to 

 3-j times in length of head ; interorbital region feebly convex, its width 

 2j to 2\ times in length of head ; maxillary not quite reaching to below 

 anterior border of eye; 16 teeth (^) in upper jaw, 10 (.;) in lower; 

 lower border of second suborbital longer than eye. Gill-rakers mode- 

 rately long, 1S-20 on lower part of anterior arch. Dorsal II 8, 

 originating behind vertical of base of ventral, at equal distance from eye 

 or irom nostril and from caudal, longest ray a little shorter than head. 

 Anal III 16-18. Pectoral a little shorter than head, reaching ventral. 



