66 



MOBMYKIDJE. 



slightly projecting beyond mouth ; mouth small, subinferior, its width 

 } to | length of head ; teeth feebly notched, 5 in upper jaw, 6 in 

 lower; nostrils nearly equally distant from end of snout and from eye, 

 anterior on a level with centre of latter, posterior with lower border ; 

 eye small, ^ length of snout, §-— | iuterorbital width. Dorsal 16-20, its 

 length -J to f its distance from head, originating above 8th to 10th ray of 

 anal. Anal 21-26, a little longer than dorsal, nearer base of caudal than 

 base of ventral. Pectoral pointed, f length of head, If times length 



Fis. 48. 



Marcusenius Tciw/slei/ce, 

 Type, after G-uuther (Ann. & Mag. N. H. 1896). =. 



of ventral, not reaching base of latter. Caudal densely scaled in the 

 basal half, with pointed lobes. Caudal peduncle 2h to 3 times as long 

 as deep, f length of head. 55-65 scales in lateral line, j- 4 in trans- 



8-9 . 



verse series on body, 6 ^ in transverse series between dorsal and anal, 

 12 round caudal peduncle. Brown. 



Total length 150 millim. 



Old Calabar to Mayombe. 



Old Calabar. 

 Kribi R., S. Cameroon. 

 Ja R. at Bitye, Cameroon. 

 Benito R., Spanish Guinea. 

 Marshes of Kop-Malafu, 

 Mayombe. 



1. Type. 



2. Ad. 



3. Ad. 



4-9. Ad. & hgr. 



10. Hgr. (Type 



of M. cabrce.) 



Miss Kingsley (C). 

 G. L. Bates, Esq. (C). 



Major Cabra (C). 



5. MARCUSENIUS SPHECODES. 



Mormyrops spltekodes, Sauv. Bull. Soc. Philom. (7) iii. 1878, p. 101, and N. Arch. 



Mus. (2) iii. 1880, p. 55, pi. ii. fig. 4. 

 Mormyrus sphecodes, Giinth. Ann. & Mag. N. H. (G) xvii. 18%, p. 280. 

 Marcusenius .sphecodes, Bouleng. Proe. Zool. Soc. 1898, p. 793. 



Depth of body equal to or a little less than length of head, 5 to 6 

 times in total length. Head once and \ as long as deep ; snout rounded, 

 i to j length of head ; mouth small, subinferior, its width \ length of 



