Catalogue of the fresh-water fishes of Africa in the British museum (Natural history) .. . „ 3. 4. Ad. & hgr. Monsembe. Rev. J. H. Weeks (P.).5-6. Yg. Bolobo. Rev. G. Grenfell (C).7. Ad. Upper Congo. Brussels University. 186 5. HYDROCYON BREVIS. Hydrocyon forskalii, part., Cuv. & Val. Hist. Poiss. xxii. p. 309 (1849) ; Peters, Reise Mossamb. iv, p. G9 (18G8).Hydrocyon hrevis, Giinth. Cat. Fish. v. p. 351 (18G4), and Pethericks Trav. ii. p. 245, pi. iii. fig. A (18G9) ; Steiud. Sitz. Ak. Wicn, Ixi. i. 1870, p. 517 ; Bouleng. Fish. Nile, p. 107, pi. xvi. fig. 2 (1907). Depth of bod
Catalogue of the fresh-water fishes of Africa in the British museum (Natural history) .. . „ 3. 4. Ad. & hgr. Monsembe. Rev. J. H. Weeks (P.).5-6. Yg. Bolobo. Rev. G. Grenfell (C).7. Ad. Upper Congo. Brussels University. 186 5. HYDROCYON BREVIS. Hydrocyon forskalii, part., Cuv. & Val. Hist. Poiss. xxii. p. 309 (1849) ; Peters, Reise Mossamb. iv, p. G9 (18G8).Hydrocyon hrevis, Giinth. Cat. Fish. v. p. 351 (18G4), and Pethericks Trav. ii. p. 245, pi. iii. fig. A (18G9) ; Steiud. Sitz. Ak. Wicn, Ixi. i. 1870, p. 517 ; Bouleng. Fish. Nile, p. 107, pi. xvi. fig. 2 (1907). Depth of body ^ to i\ times in total length, length of head 3J to i\times. Head 2 to 2f times as long as broad; snout f to J length ofhead; diameter of eye 4 (young) to 7^ times in length of head, inter-orbital width 3 to 3f times; suborbital and opercular bones more or lessdistinctly striated; mouth extending to below nostrils or anterior borderof eye, maxillary bone to below centre or posterior border of eye; 4 or 5large teeth in upper jaw and 3 or 4 in lower. Gill-rakers short, 7 to 9. Ilydrocyon (). i. on lower part of anterior arch. Dorsal II S, equally distant from eye andfrom root of caudal, or a little nearer latter; second simple ray or firstbranched ray longest, f to nearly once length of head. Anal III 11-13(exceptionally 15), longest ray f to -| the length of head. PectoralI to I length of head. Ventral fin a little shorter than pectoral, belowanterior half of dorsal. Caudal deeply forked, with long, pointedlobes. Caudal peduncle If to If times as long as deep. Scales 47-54-jr^, 3 between lateral line and scaly process at base of ventral. Colora-tion very similar to that of //. fordrcUi; longitudinal dark streaks orseries of spots, more or less distinct in adult specimens, usually confined HTDROCYON.—BRYCON^TIIIOPS. s, 187 to the region above the lateral line ; a black spot sometimes present onadipose fin. Total length 480 millira. Lower Nile to White Nile, C
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