Catalogue of the fresh-water fishes of Africa in the British museum (Natural history) .. . ») er ( ongo. Brussels Universitv. MARCUSENIUS. 81 20. MARCUSENIUS discorhi/nchus, Peters, Mon. Berl. Ac. 1852, p. 275, and Reise Mossamb. iv. p. 75, pi. xiv. (1868).Marcusenius discorJit/nchus, Bouleng. Proc. Zool. Soc. 1898, p. 7, and Poiss. Bass. Congo, p. 82 (1901) ; Pappenh. Mittli. Zool. Mus. Berl. iii. 1907, p. tanganicanus, Bouleng. Tr. Zool. Soc. xvii. 190G, p. 545, pi. xxx. fig. 1. Depth of body 3 to 3^ times in total length, length of head 4^^ to 4ftimes
Catalogue of the fresh-water fishes of Africa in the British museum (Natural history) .. . ») er ( ongo. Brussels Universitv. MARCUSENIUS. 81 20. MARCUSENIUS discorhi/nchus, Peters, Mon. Berl. Ac. 1852, p. 275, and Reise Mossamb. iv. p. 75, pi. xiv. (1868).Marcusenius discorJit/nchus, Bouleng. Proc. Zool. Soc. 1898, p. 7, and Poiss. Bass. Congo, p. 82 (1901) ; Pappenh. Mittli. Zool. Mus. Berl. iii. 1907, p. tanganicanus, Bouleng. Tr. Zool. Soc. xvii. 190G, p. 545, pi. xxx. fig. 1. Depth of body 3 to 3^ times in total length, length of head 4^^ to 4ftimes. Head as long as deep ; snout rounded, f length of head ; mouthsmall, subinferior, its width i to ^ length of head; teeth small, notched,5 in upper jaw, 6 in lower; nostrils on a line with lower borderof eye, nearer latter than end of snout; eye moderate, as long as or alittle shorter than snout, f interorbital width. Dorsal 30-36, its length Yvz. Marcusenius , after Peters (Eeise Mossamb.). |. 1\ to 1\ times in its distance from head. Anal 23-27, originatingbelow 8th to 12th ray of dorsal, equally distant from base of ventraland from base of caudal. Pectoral pointed, nearly as long as head,1^ times length of ventral, extending to base of latter or a little with obtusely pointed lobes. Caudal peduncle 2 to 2\ times aslong as deep, a little shorter than head. G5-T0 scales in lateral line,c,-^^ in transverse series on body, -^^^ in transverse series betweendorsal and anal, 12 or 14 round caudal peduncle. Dark olive orbrownish above, silvery white beneath. Total length 160 millim. (grows to 260). Lower Zambesi; Lake Nyassa ; Katanga ; Lake Tanganyika.—Typesin Berlin Museum. VOL. I. ^ 82 1. Hgr. 2. Hgr., type of M. tan- I-Tgr., types of MORMYRID.^.. L. Xyassa. River at Msaniltn, L. , L. Tanganyika. J. A. Williams, Esq. (C).Dr. W. A. Cimnington (C)
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