Catalogue of the fresh-water fishes of Africa in the British Museum (Natural History) . ISTIUS. Marcusenius braehywtius, Gill, Proc. Ac. Pliilad. 1862, p. 139 ; Bouleng. Proe. Zool. Soc. 1898, p. 793, and Poiss. Bass. Congo, p. 75 (1901).Mormyrus brachyistius, Giinth. Cat. Fish. vi. p. 219 (1866).Mormyrus microcephalus, Giinth. Ann. & Mag. N. H. (3) xx. 1867, p. 11 liberunsis, Steind. Notes Leyd. Mus. xvi. 1894, p. 67. Depth of body 4-^ to 5-j times in total length, length of head 4£to 6-g- times. Head lj to 1-j times as long as deep; snout convex\ to -| length of head, slightly pro
Catalogue of the fresh-water fishes of Africa in the British Museum (Natural History) . ISTIUS. Marcusenius braehywtius, Gill, Proc. Ac. Pliilad. 1862, p. 139 ; Bouleng. Proe. Zool. Soc. 1898, p. 793, and Poiss. Bass. Congo, p. 75 (1901).Mormyrus brachyistius, Giinth. Cat. Fish. vi. p. 219 (1866).Mormyrus microcephalus, Giinth. Ann. & Mag. N. H. (3) xx. 1867, p. 11 liberunsis, Steind. Notes Leyd. Mus. xvi. 1894, p. 67. Depth of body 4-^ to 5-j times in total length, length of head 4£to 6-g- times. Head lj to 1-j times as long as deep; snout convex\ to -| length of head, slightly projecting beyond mouth ; mouth small, F 2 G8 subinferior, its width 4 length of head; teeth small, feebly notched,5 in upper jaw, 6 in lower; nostrils nearly equally distant from end ofsnout and from eye, anterior on a level with centre of latter, posteriorwith lower border ; eye small, about \ length of snout or interorbitalwidth. Dorsal 15—18, hardly \ as long as its distance from head,originating above 10th to 14th ray of anal. Anal 25-30, nearly 2 to 2J Fig. Mamisen ins brad) Liberia. times as long as dorsal, nearer base of caudal than base of obtusely pointed, at least f length of head, 1^ to If length ofventral, reaching base of latter. Caudal densely scaled in the basal half,with pointed lobes. Caudal peduncle 2\ to 3 times as long as deep, aslong as head or a little shorter. 58-64 scales in lateral line, ^,°4 in 7-9 transverse series on body, ^A in transverse series between dorsal andanal, 12 round caudal peduncle. Brown. Total length 175 millim. West Africa, from Sierra Leone to the Congo.—Type in U. S. NationalMuseum, Washington. H. C. Hart, Esq. (P.). Dr. Biittikofer (C). Sir A. Moloney (P.). R. B. N. Walker, Esq. (C). Miss Kingsley (C).Dr. W. J. Ansorge (C).Capt. Wilverth (C).M. Do Meuse (C). 1. Hgr. Sierra Leono. 2. Hgr. )! 3-5. Ad. (Types of Liberia. M. liberiensis.) 6-8. Hgr. Lagos. 9-10, 11. Ad. & bgr. Ogowe. (Ty
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