108 



MORMTRID^. 



covered with scales, with long pointed lobes. Caudal peduncle^ 3 to 

 U times as lone as deep, as long as head or a little shorter. 70-8o 



18-16 



scales in lateral line, ^2 ^^ transverse series on body, j^g in transverse 

 series between dorsal and anal, 1:^ round caudal peduncle. Brown, or 

 brown above and silvery below. 



Fig. 87. 





3 



Gnalhonemus stanlei/anus. 

 Type. 1. 



Total length 400 millim. 

 Congo, Gambia. 



15. GNATHONEMUS SENEGALENSIS. 



Mormyrus senegalensis, Steind. Sitz. Ak. Wien, Ixi. i. 1870, p. 551, pi. iv. fig. 1. 

 Gnathohemus senegalensis, Bouleng. Proc. Zool. Soc. 1898, p. 806 ; Pappenh. 

 Mitili. Zool. IMus. Berl. iii. 1907, p. 355. 



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

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

 ■J length of head, or a little less ; teeth conical, 3 or 5 in upper jaw, 

 4 or 6 in lower ; chin with a globular swelling or appendage ; eye 

 moderate, f to f length of snout, about ^ interorbital width. Dorsal 

 25-28, originating above 5th to 8th ray of anal, its length ^ its distance 

 from head, or a little less. Anal 30-36, nearer base of caudal than base 

 of ventral. Pectoral pointed, a little shorter than head, twice as long as 

 ventral, not extending beyond base of latter. Caudal scaled in its basal 



