GNATHONEMUS. 



109 



half, with long pointed lobes. Caudal peduncle 3 times as long as 



13-15 



deep, a little shorter than head. 65-72 scales in lateral line, j^j in 



12-14 



transverse series on body, -j^ in transverse series between dorsal and 

 anal, 12 round caudal peduncle. Silvery, brown or steel-blue on the 

 back. 



Fig. 88. 



Gnatlwnemus senegalensis. 

 Type, after Steindachner (7. c). 1. 



Total length 210 millim. 



Senegal, Togoland. — Types in Vienna Museum. 



1. Hgr. St. Louis, Senegal. 



2-'.). Ad. & hgr. Kaedi, „ 



10. Skel. „ „ 



M. P. De-lb™ (C). 



16. GNATHONEMUS ANGOLENSIS. 

 Bouleng. Ann. & Mag. N. H. (7) xv. 1905, p. 458. 



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

 5 times. Head as long as deep, with curved upper profile ; snout 

 ■j length of head; teeth conical, 5 in upper jaw, 6 in lower; a feeble 

 mental swelling ; eye moderate, a little shorter than snout, § interorbital 

 width. Dorsal 24-26, originating above 6th to 8th ray of anal, its 

 length 2\ to 2| times in its distance from head. Anal 29-33, nearer 

 base of caudal than ba,se of ventral. Pectoral pointed, a little shorter 

 than head, twice as long as ventral, extending a little beyond base of 

 latter. Caudal scaled in its basal two-thirds, with pointed lobes. 

 Caudal peduncle 2|- times as long as deep, f length of head. 56-60 

 scales in lateral line, j£^ in transverse series on body, g^ in transverse 



