102 



MORMYKID.E. 



deep, f to f length of head. 



in transverse series between dorsal and anal, 



8-11 . , 



T^-r^ m trans- 



14-lo 



3 tw 5 xv^i^gLiA wx x.^ci^i. 51-58 scales in lateral line, 



, 1 8-11 



verse series on body, -^ 



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



with dark brown. 



Total length 125 millim. 



White Nile, Gambia, Niger. 



1. Type. Gauibiu. 



2. Type. Niger. 

 3-4. Ad. W. Africa. 

 5-8. Ad. Faslioda, White Nile. 

 9. Skel. 



lU-13. Ad. Polkom, Baro R. (SobatJ. 



Mr. J. T. Dalton (C). 



L. Loat, E>4. (C). 



Mr. P. C. Zaphiro (C.) ; 

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



7. GNATHONEMUS LEOPOLDIANUS. 



Bouleng. Ann, ]\Ius. Congo, Zool. i. p. 72, pl.xxxiii. fig. 3 (1899), and Poiss. Bass. 

 Congo, p. 91 (1901). 



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

 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 



Pitr. 82. 



Gnathonemus leopoldianus. 

 Type (A. M. C). a. 



Inrge, not more than J length of snout, f interocular width. Dorsal 

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

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

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



