84 



MOKMYRID.E. 



in 



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

 anal, 12 round caudal peduncle. Pale brownish above, silvery white 

 beneath ; head closely dotted with dark brown ; a pair of dark brown 

 bars across nape. 



Total length 190 millim. 



Lower Niger. 



1. Type. 



issay. 



J. S. Budgett, Esq. (P.). 



23. MARCUSEN1US MACROPS, sp. n. 

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

 Snout rounded, projecting beyond the mouth, ^ length of head ; mouth 

 small, inferior, its width ^ length of head ; teeth small, truncate or 

 feebly notched, 5 in upper jaw, 6 in lower ; chin slightly swollen ; 

 nostrils nearer eye than end of snout, on a line Avith lower border of eye ; 

 eye very large, twice as long as snout, a little greater than interorbital 

 width, which is 4 times in length of head 



Dorsal 37, as long as its 



Fig. 67 



*^K 



„.y(,U-iAV- yyvrvW 



ffi^\' ; «IS^ 



Marcusenhis mncrops. f-. 



distance from head. Anal 27, originating below 9th ray of dorsal, 

 equally distant from base of ventral and from base of caudal. Pectoral 

 pointed, nearly as long as head, once and ■£ as long as ventral, extending 

 beyond base of latter. Caudal with long, pointed lobes. Caudal 

 peduncle 3 times as long as deep, a little shorter than head. 60 scales 



17. 1 1 



in lateral line, jy in transverse series on body, jj in transverse series 

 between dorsal and anal, 12 round caudal peduncle. Dark brown 

 above, lighter beneath. 



Total length 190 millim. 



Upper Congo. 



1. Typo. 



Upper (Jongo. 



Brussels University. 



