Catalogue of the fresh-water fishes of Africa in the British Museum (Natural History) . ad. 55-65 scales in lateral line, !-|J£ in transverse series on 12-13 body, jg-jg in transverse series between dorsal and anal, 12 round caudalpeduncle. Brown above, silvery white below, more or less speckledwith darker; an ill-defined dark bar, extending obliquely from origin ofdorsal to that of anal, sometimes present; dorsal fin, and sometimesalso anal, brownish in front. Total length 220 millim. White Nile and Blue 1—3. Types. 4. Skel. 5. Ad. Fashoda, White Medine, Blue Ni
Catalogue of the fresh-water fishes of Africa in the British Museum (Natural History) . ad. 55-65 scales in lateral line, !-|J£ in transverse series on 12-13 body, jg-jg in transverse series between dorsal and anal, 12 round caudalpeduncle. Brown above, silvery white below, more or less speckledwith darker; an ill-defined dark bar, extending obliquely from origin ofdorsal to that of anal, sometimes present; dorsal fin, and sometimesalso anal, brownish in front. Total length 220 millim. White Nile and Blue 1—3. Types. 4. Skel. 5. Ad. Fashoda, White Medine, Blue Nile. J. Petherick, Esq. (0.).L. Loat, Esq. (C). 22. MAECUSENIUS Proc. Zool. Soc. 1904, i. p. 197, pi. vii. fig. 1. Depth of body 3 times in total length, length of head 5 times. Heada little deeper than long; snout rounded, \ length of head; mouthsmall, inferior, its width \ length of head; teeth notched, 5 in upperjaw, 6 in lower; anterior nostril on a line with lower border of pupil,posterior on a line with lower border of eye; eye nearly twice as long Fig. <4% Ma reuse nius (P. Z. S. 1004). J. as snout, -f interorbital width. Dorsal circa 32, nearly as long as itsdistance from head. Anal 25, originating below 11th ray of dorsal,nearer base of caudal than base of ventrals. Pectoral pointed, a littleshorter than head, once and \ length of ventral, extending beyondvertical of base of latter. Caudal with pointed lobes. Caudal peduncle3 times as long as deep, as long as head. 67 scales in lateral line, ^ in g2 84 in transverse series on body, ^ in transverse series between dorsal andanal, 12 round caudal peduncle. Pale brownish above, silvery whitebeneath ; head closely dotted with dark brown ; a pair of dark brownbars across nape. Total length 190 millim. Lower Niger. 1. Type. issay. J. S. Budgett, Esq. (P.). 23. MARCUSEN1US MACROPS, sp. of body 3 times in total length, length of head 4§ rounded, projecti
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