Catalogue of the fresh-water fishes of Africa in the British Museum (Natural History) . edian rays of caudal; finsgreyish, more or less tinged with orange ; ventral fin black at the tip,anal finely edged with black. Total length 55 millim. South Types. Ja River (Congo System) at Bitye, G. L, Bates, Esq. (C.)« 9. PETERSIUS Ann. & Mag. N. H. (7) xii. 1903, p. 436. Depth of body 2\ to 2^ times in total length, length of head 4times. Head as long as deep, twice as long as broad, with slightly 288 CHARACINID^E. concave upper profile; lower jaw projecting beyond upper; s
Catalogue of the fresh-water fishes of Africa in the British Museum (Natural History) . edian rays of caudal; finsgreyish, more or less tinged with orange ; ventral fin black at the tip,anal finely edged with black. Total length 55 millim. South Types. Ja River (Congo System) at Bitye, G. L, Bates, Esq. (C.)« 9. PETERSIUS Ann. & Mag. N. H. (7) xii. 1903, p. 436. Depth of body 2\ to 2^ times in total length, length of head 4times. Head as long as deep, twice as long as broad, with slightly 288 CHARACINID^E. concave upper profile; lower jaw projecting beyond upper; snoutshorter than eye, which is 2^ to 2|- times in length of head; inter-orbital width 2| times in length of head ; maxillary extending tobelow anterior border of eye; outer praemaxillary teeth 4, alter-nating with those of the inner row, 8 in number; 8 teeth in lowerjaw. Gill-rakers short, 12-15 on lower part of anterior arch. DorsalII 8, originating just behind vertical of base of ventrals, at equaldistance from nostrils and from caudal, longest ray longer than bead. Fig. Petersius Adipose fin large, its depth at least \ length of head. Anal III a little shorter than head, not quite reaching ventral. Caudalforked. Caudal peduncle a little longer than deep. Scales 24-26 gf, 2between lateral line and ventral; lateral line incomplete, not extendingbeyond 11th to 15th scale. Silvery, yellowish on the back; a smallblack spot often present above the shoulder; a black band on the sideof the tail, continued on median rays of caudal; dorsal fin greyish,with a band of orange-red ; ventral fin black at the tip ; base of anal andcaudal orange in males, yellow in females. Total length 85 millim. South Cameroon. 1-2. Types. Ja River (Congo System) at Bitye. G. L. Bates, Esq. (0.).o. Ad. ,, ,, j, 4. Ad. Kribi River at Efulen. „ 5-11. Ad. Nyong Biver. ,, 12. Skel. „ „ PETERSIUS. 239 10. PETERSIUS SPILOPTERUS, sp. of body equal to length of head,
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Keywords: ., bookauthorbri, bookcentury1900, bookdecade1900, booksubjectfishes
