Catalogue of the fresh-water fishes of Africa in the British Museum (Natural History) . —Types in Congo Museum, Tervueren. 1. Ad., type. Boma, Lower Congo. Capt. Wilverth (C). 2. Ad., type. Cataracts o£ Manyanga. „ 3-4. Yg., types. 5. Skel. 6. Hgr., type. 7. Ad. 8-10. Hgr. & yg. 11. Yg. 12. Ad. Pool. Bolobo, Upper , ,, Upper Congo. Lindi River, Upper Congo. Banzyville, Ubanghi. 1 M. A. Greshoff (C.) ; Utrecht University (E.).Rev. G. Grenfell (P.).Rev. J. H. Weeks (P.). Brussels M. Storms (C.) ; Brussels Museum (P.).Capt. Royaux (C). 12. DISTICHOD
Catalogue of the fresh-water fishes of Africa in the British Museum (Natural History) . —Types in Congo Museum, Tervueren. 1. Ad., type. Boma, Lower Congo. Capt. Wilverth (C). 2. Ad., type. Cataracts o£ Manyanga. „ 3-4. Yg., types. 5. Skel. 6. Hgr., type. 7. Ad. 8-10. Hgr. & yg. 11. Yg. 12. Ad. Pool. Bolobo, Upper , ,, Upper Congo. Lindi River, Upper Congo. Banzyville, Ubanghi. 1 M. A. Greshoff (C.) ; Utrecht University (E.).Rev. G. Grenfell (P.).Rev. J. H. Weeks (P.). Brussels M. Storms (C.) ; Brussels Museum (P.).Capt. Royaux (C). 12. DISTICHODUS Cat. Fish. v. p. 361 (1864), and Pethericks Trav. ii. p. 247 (1869) ; Bouleng. Ann. & Mag. N. H. (7) viii. 1901, p. 513 ; Werner, Sit/.b. Ak. Wien, cxv. i. 1906, p. 1129 ; Bouleng. Fish. Nile, p. 148, pi. xxiv. fig. 2 (1907).Disticlwdus tonteei, Pellegr. Bull. Soc. Zool. France, xxxi. 1906, p. 109. Depth of body 2f to 3 times in total length, length of head 4 to 5times. Head but little longer than deep, 2 to 2£ times as long as broad ; Fig. Disticlwdus (). §. snout feebly compressed, projecting very strongly beyond the mouth, itslength equal to, or slightly less than, interorbital width ; eye 3 (young) to5 times in length of head, interorbital width 2 J to 3| times; maxillaryextending to below nostrils; teeth in two series in each jaw, outer seriescontaining 18-22. Gill-rakers short, 15-18 on lower part of anterior 1. Ad. Cairo. 2. Yg. Kosheh, Upper Nile. 3-4. Hgr. , types. Khartum. 5. Yg. Wad Medine, Blue Nile, 6. Yg. Abo, Lower Niger. 7. Yg. Agberi, „ 272 characinidj:. arch. Dorsal 23-25 (4-5 unbranched), equally distant from occiputand from caudal. Adipose fin small, equally distant from rayeddorsal and from caudal. Anal 13-14 (3-4 unbranched), its base muchshorter tban that of dorsal. Pectoral § to f length of bead. Caudalforked, with acutely pointed lobes. Caudal peduncle as long as deep ora little deeper. Scale
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