114 



MOEMTKID^. 



width. Dorsal and anal fins equally developed and exactly opposed to 

 each other, former with 31 j'ays, latter with 33, equally distant from 

 caudal and from base of ventrals. Pectoral pointed, as long as head, 

 reaching beyond base of ventral, which is about half as long. Caudal 

 with pointed lobes, scaled on more than half its extent. Caudal 

 peduncle 3 times as long as deep, as long as head. 78 scales in lateral 

 line, yj in transverse series on body, yq between dorsal and anal, 12 

 round caudal peduncle. Brown or dark olive with yellowish bars, two 

 of which enclose a sort of blackish rhomb between the anterior rays 

 of the dorsal and those of the anal, which bear a black bar ; a 

 black band on the pectoral and ventral and on each lobe of the 

 caudal. 



Total length 140 millim. 



\\ hite Nile. — Type in Vienna Museum. 



1. Ad. Fashoda. L. Loat, Esq. (C). 



20. GNATHONEMUS GILLI. 

 Bonleng. Proc. Zool. Soc. 1904, i. p. I'jy, pi. vii. fig. 2. 



Depth of body 3f times in total length, length of head 5|- times. 

 Head slightly longer than deep, with curved upper profile ; snout ^ 

 length of head ; chin with a globular dermal appendage ; teeth conical, 

 3 in upper jaw, 4 in lower; eye a little shorter than snout, f interorbital 



Pig. 93. 



Gnatlionemus gilli. 

 Type (P. Z. S. 1904). f . 



width. Dorsal 33, its origin corresponding to that of anal, its length 

 once and ^ in its distance from head. Anal 31, equally distant from 

 base of veutrals and from base of caudal. Pectoral pointed, as long as 

 head, once and f as long as ventral, reaching beyond base of latter. 

 Caudal scaled in its basal half, with pointed lobes. Caudal peduncle 



