MARCUrSEXIUS. 67 



head ; teeth small, notched, 5 m upper jaw, 6 in lower -^ nostrils midway 

 between eye and end of snout, posterior on a line with' lower border of 

 eye; eye small, ^ length of snout, ^ interorbital width. Dorsal 17-21, 

 originating above 5th ray of anal, not J as long as its distance from the 

 head. Anal 24-26, equally distant from base of ventral and from base 

 of caudal or a little nearer latter, not more than once and ■§• as long as 

 dorsal. Pectoral pointed, f to f length of head, 1| length of ventral, 



Fig. 49. 



JglJv5,j-y, >^iuMA'\ 



Marcuteniiix sp?iepodes. 

 Kribi River. ^. 



reaching base of latter. Caudal with pointed lobes. Caudal peduncle 

 3 to 3| times as long as deep, nearly as long as head. 67-90 scales 

 in lateral line, jg^ in transverse series on body, g in transverse series 

 between dorsal and anal, 12 round caudal peduncle. Brown, lighter 

 beneath. 



Total length 210 millim. 



Cameroon to Congo. — Type in Paris Museum. 

 1-2, 3-5. Ad. & yg. Kribi R., S. Cameroon. G. L. Bates, Esq. (C). 



6. Skel. „ ,5 >) 



7-10. Ad. Ja R. at Bitye, Cameroon. „ 



11. Ad. Talagouga, Ogowe. Miss Kingsley (C). 



12. Hgr. Lukiila R., Congo. Brussels Museum (E.). 



6. MARCUSENIUS BRACHTSTIUS. 

 Marcusenius hracliyist'ms. Gill, Proe. Ac. Pliilad. 1862, p. 139 ; Bouleng. Proc. 



Zool. Soc. 1898, p. 793, and Poiss. Bass. Congo, p. 75 (1901). 

 Mormyrus hracliyistius, Giintb. Cat. Fish. vi. p. 219 (1866). 

 Mormyrus microcephaliis, Giinth. Ann. & Mag. N. H. (3) xx. 1867, p. U^. 

 Mormyrus liberiensis, Steind. Notes Leyd. Mus. xvi. 1894, p. 67. 



Depth of body 4| to 5|- times in total length, length of head 4^ 

 to 6| times. Head 1| to 1^ times as long as deep; snout convex 

 I to |- length of head, slightly projecting beyond mouth ; mouth small, 



F 2 



