102 



MORMYK1D.E. 



8-11 



51-58 scales in lateral line, rr-p in trans- 



deep, § to f length of head. 



S— 11 



verse series on body, ^- in transverse series between dorsal and anal, 

 12 round caudal peduncle. Blackish brown above, sides silvery, speckled 

 with dark brown. 



Total length 125 millim. 



White Nile, Gambia, Niger. 



1. Type. Gambia. 



2. Type. Niger. 

 3-4. Ad. W. Africa. 

 5-8. Ad. Faskoda, White Nile. 

 9. Skel. ,, „ 



10-13. Ad. Polkom, Bare- R. (Sobat). 



Mr. J. T. Dalton (C). 



L. Loat, Esq. (C). 



Mr. P. C. Zapbiro (C) ; 

 W.N. McMillan, Esq. (P.). 



7. GNATHONEMUS LEOPOLDIANUS. 



Bouleng. Ann. Mus. Congo, Zool. i. p. 72, pl.xxsiii. fig. 3 (1899), and Poiss. Bass. 

 Congo, p. 9i (1901). 



Depth of body 3i to 4 times in total length, length of head 4-j to 4J 

 times. Head a little longer than deep, upper profile declivous and 

 feebly convex ; snout a little more than ^ length of head ; teeth notched, 

 6 or 8 in upper jaw, 10 in lower ; chin scarcely swollen ; eye moderately 



Fig. 82. 



Gnathonemm leopoldianus. 

 Type (A. M. C). |. 



large, not more than h length of snout, |- interocular width. Dorsal 

 24-25, originating above 5th or 6th ray of anal, its length \, or a little 

 less than \, its distance from head. Anal 30-31, nearer base of caudal 

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



