GNATHONEMUS. 115 



4 times as long as deep, slightly longer than head. 85 scales in lateral 

 line, Ijg in transverse series on body, | x in transverse series between 

 dorsal and anal, 14 round caudal peduncle. Brown above, silvery white 

 beneath ; dorsal and anal fins greyish brown in front. 

 Total length 245 millim. 



"n v 



Niger. 



1. Type. Assay, Lower Niger. J. S. Budgett, Esq. (P.). 



21. GNATHONEMUS KUTUENSIS. 

 Bouleng. Ann. Mus. Congo, Zool. i. p. 74, pi. xxxiii. fig. 5 (1890), and Poiss. Bass. 

 Congo, p. 101 (1901). 



Depth of body 3J to 3£ times in total length, length of head 5 to 

 5^- times. Head scarcely longer than deep, with strongly curved upper 

 profile ; snout | length of head ; teeth feebly notched, 5 in upper jaw, 

 6 in lower ; a globular mental swelling ; eye rather large, as long as 

 snout, § interorbital width. Dorsal 29, its length nearly as great as its 

 distance from head. Anal 27-29, originating under 4th to 6th ray 

 of dorsal. Pectoral pointed, a little longer than head, twice as long as 

 ventral, reaching nearly extremity of latter. Caudal scaled in its basal 



Fig. 94. 



Gnathonevtus lutaeimis. 

 Type (A. M. C). f . 



half, with long pointed lobes. Caudal peduncle 4 times as long as 

 deep, as long as head. 42-43 scales in lateral line, ^ in transverse 



V-ft 



series on body, Jjg in transverse series between dorsal and anal, 8 round 

 caudal peduncle. Brown, darker in front; a dark brown vertical band 

 between origin of dorsal and origin of anal ; anterior two-thirds of 

 caudal peduncle dark brown. 



Total length 100 millim. 



Congo (Lake Leopold 11. and Alima River). — Type in Congo Museum, 



Tervueren. 



12 



