Catalogue of the fresh-water fishes of Africa in the British Museum (Natural History) . 3 times as long as deep, nearly as long as scales in lateral line, 17^y in transverse series on body, g^ intransverse series between dorsal and anal, 14 or 16 (rarely 12) roundcaudal peduncle. Silvery, sometimes with black blotches. Total length 250 millim. Reaches a length of 320 millim. Zambesi, Katanga, Lake Bangwelu, llovuma River.—Types in BerlinMuseum. F. H. Melland, Esq. (P.).Rev. L. Julia (C).T. Codrington, Esq. (P.).Dr. 0. Livingstone (C). 1. Ad. L. Bangwelu. 2. Yg. Kazungula, Upper Zamb
Catalogue of the fresh-water fishes of Africa in the British Museum (Natural History) . 3 times as long as deep, nearly as long as scales in lateral line, 17^y in transverse series on body, g^ intransverse series between dorsal and anal, 14 or 16 (rarely 12) roundcaudal peduncle. Silvery, sometimes with black blotches. Total length 250 millim. Reaches a length of 320 millim. Zambesi, Katanga, Lake Bangwelu, llovuma River.—Types in BerlinMuseum. F. H. Melland, Esq. (P.).Rev. L. Julia (C).T. Codrington, Esq. (P.).Dr. 0. Livingstone (C). 1. Ad. L. Bangwelu. 2. Yg. Kazungula, Upper Zambesi 3- -5. Ad. Kafue R., „ 6. Yfi. Rovunia R. 19. GNATHONEMUS RICTUS. llormyrus, sp. n., Heuglin, Sitzb. Ak. Wien, ix. 1852, p. 920, pi. lx. fig. pidus, Marcusen, Mem. Ac. St. Petersb. (7) vii. 1864, p. piciw, Bouleng. Ann. & Mag. N. H. (7) xvi. 1905, p. 38, and , p. 48, pi. vii. fig. 2 (1907). Depth of body 3|- times in total length, length of head 5 as long as deep, with curved upper profile; snout | length of Fig. GnatJionemus (F. N.). f. head; teeth bicuspid, 5 in upper jaw, 6 in lower; a slight swellingof the chin ; eye rather large, equal to length of snout, f interorbitalvol. l. I 114 width. Dorsal and anal fins equally developed and exactly opposed toeach other, former with 31 rays, latter with 33, equally distant fromcaudal and from base of ventrals. Pectoral pointed, as long as head,reaching beyond base of ventral, which is about half as long. Caudalwith pointed lobes, scaled on more than half its extent. Caudalpeduncle 3 times as long as deep, as long as head. 78 scales in lateralline, y. in transverse series on body, j6 between dorsal and anal, 12round caudal peduncle. Brown or dark olive with yellowish bars, twoof which enclose a sort of blackish rhomb between the anterior raysof the dorsal and those of the anal, which bear a black bar ; ablack band on the pectoral and vential
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