Catalogue of the fresh-water fishes of Africa in the British Museum (Natural History) . 11, and Poiss. Bass. Congo, p. 107 (1901). Depth of body 4f to 5 times in total length, length of head 2f to 2^times. Upper profile of head convex ; snout produced into an extremelylong, compressed tube, feebly curved downwards, its length, in the adult,5 to 5^ times postocular part of head, and 20 times its least depth,which equals diameter of eye ; latter ?§- interorbital width ; lower jawwith a compressed dermal appendage nearly as long as eye; teethconical, 7 in upper jaw, 4 or 6 in lower. Dorsal 27-34,
Catalogue of the fresh-water fishes of Africa in the British Museum (Natural History) . 11, and Poiss. Bass. Congo, p. 107 (1901). Depth of body 4f to 5 times in total length, length of head 2f to 2^times. Upper profile of head convex ; snout produced into an extremelylong, compressed tube, feebly curved downwards, its length, in the adult,5 to 5^ times postocular part of head, and 20 times its least depth,which equals diameter of eye ; latter ?§- interorbital width ; lower jawwith a compressed dermal appendage nearly as long as eye; teethconical, 7 in upper jaw, 4 or 6 in lower. Dorsal 27-34, originatingabove 8th or 9th ray of anal, its length 1| to If- times in its distancefrom head. Anal 29-37, equally distant from base of ventral and frombase of caudal. Pectoral pointed, less than \ length of head, almost twiceas long as ventral, and extending almost to extremity of latter. Caudal GNATIIONEMUS.—GENYOMYRUS. 125 scaled, with obtusely pointed lobes. Caudal peduncle 3 times as long 15-18 as deep, J to \ length of head. 76-81 scales in lateral line, 2^5 va- Fig. Gnailumemus (A. M. C). i, transverse series on body, j^yg in transverse series between dorsal andanal, 16 round caudal peduncle. Pale brownish above, whitish beneath. Total length 610 millim. Upper Congo.—Types in Congo Museum, One of the types. Upoto. Capt. Wilverth (C). 8. GENYOMYRUS. Bouleng. Ann. Mils. Congo, Zool. i. p. 17 (1898), Proc. Zool. Soc. 1898, p. 820,and Poiss. Bass. Congo, p. 108 (1901). Teeth in the jaws very small, slender, conical, disposed irregularly inseveral rows, forming a villiform band ; conical teeth on the parasphenoidand on the tongue ; mouth terminal; nostrils widely separated. Bodyshort; ventrals nearer pectorals than anal. Dorsal and anal nearlyequally developed. Vertebra? 49 (13 + 7 + 29). Congo. 1. GENYOMYRUS 11. cc, Ann. pi. ix. Depth of body 3^ to 4 times in total length, length of head 4 to 4|-times. Head once and \ as l
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