1G6 



ADDENDA, VOL. I. 



16 a. GNATHONEMUS BRUOII. 



Bouleng. Ann. & Mag. N. H. (8) vi. 1910, p. 425. 



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

 Head as long as deep, with curved upper profile ; snout f length 

 of head; teeth conical, 5 in upper jaw, 6 in lower; chin with feeble 

 globular swelling ; eye § length of snout, \ interorbital width. 

 Doral 25, originating above 5th ray of anal, its length \ its distance 

 from head. Anal 30, nearer base of caudal than base of ventral. 



Fig. 109. 



GnatJionemus brucii. 

 Type. 



5 



Pectoral pointed, a little shorter than head, extending to base of 

 ventral. Caudal f scaled, with moderately long pointed lobes. Caudal 



15 



peduncle twice as long as deep. 60 scales in lateral line, jg in trans- 

 verse series on body, jg in transverse series between dorsal and anal, 

 12 round caudal peduncle. Brown (dirty greenish in life), darker 

 above, paler beneath ; fins dark brown. 



Total length 150 millim. 



Ogun River, interior of Lagos. 



1. Typo. Ogun R. at Aro. Major G. E. Bruce (P.). 



Distinguished from G. angolensis by a smaller eye, a higher number 

 of scales above the lateral line, and a less slender caudal peduncle. 



