. Catalogue of the fresh-water fishes of Africa in the British Museum (Natural History). Fishes; Freshwater animals. SYNODONTIS. 405 processes pointed or truncate. Humeral process much longer than broad, very obtusely keeled, the keel sometimes very indistinct, sharply pointed, usually extending as far back as occipito-nuchal process. Skin more or less villose on sides. Dorsal I 7 ; spine f to slightly over once length of head, straight or curved, striated and sharp-edged or very finely granulate in front, feebly serrated behind. Adipose dorsal 3 to 4| times as long as deep, 2^ to 4^- times as
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. Catalogue of the fresh-water fishes of Africa in the British Museum (Natural History). Fishes; Freshwater animals. SYNODONTIS. 405 processes pointed or truncate. Humeral process much longer than broad, very obtusely keeled, the keel sometimes very indistinct, sharply pointed, usually extending as far back as occipito-nuchal process. Skin more or less villose on sides. Dorsal I 7 ; spine f to slightly over once length of head, straight or curved, striated and sharp-edged or very finely granulate in front, feebly serrated behind. Adipose dorsal 3 to 4| times as long as deep, 2^ to 4^- times as long as its distance from rayed dorsal. Anal IV 8-9, obtusely pointed in front. Pectoral spine as long as or slightly longer or a little shorter than that of dorsal, rarely reaching root of ventral, outer border very finely, inner border strongly serrated. FiiT. 30G.. t^ijuodoiitia .scJi<(l!. Lower Nile (V. N.). ;|. Ventral usually not reaching anal. Caudal deeply forked, upper lobe the longer, sometimes prolonged into a filament. Caudal peduncle as long as deep or deeper than long. Grey, brown, or olive above, white beneath : adults uniform, with the paired fins and the anal sometimes blackish ; half-grown with very numerous dark dots ; young handsomely marbled and spotted, with wavy and oblique bands of yellowish, and two or three more or less regular yellowish streaks along the snout. Total length 410 millim. Nile; Lakes Abaia, Steplianie, and Eudolf; Clind Basin ; Sen(gal. 1-2. Ad. Lower Nile, J. IVtlierick. Ks^t-( C ). -.). Skel.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. British Museum (Natural History). Dept. of Zoology; Boulenger, Albert, 1858-1937. Codicote, Herts. [Eng : Wheldon and Wesley