. The Tanganyika problem; an account of the researches undertaken concerning the existence of marine animals in Central Africa . ad, not reaching the ventral, which is inserted under the first rays ofthe dorsal. Caudal forked. Caudal peduncle twice as long as deep. Scales 68-70 ~i ^, 9 or 10 between the lateral line and the root of the ventral. 14—15 Olive above, each scale darker at the base, silvery white lieneath ; fins greyish. Total length, 320 millim. Described from three specimens from the north end of Lake Tanganyika. The discovery of a species of this genus in Lake Tanganyika is parti


. The Tanganyika problem; an account of the researches undertaken concerning the existence of marine animals in Central Africa . ad, not reaching the ventral, which is inserted under the first rays ofthe dorsal. Caudal forked. Caudal peduncle twice as long as deep. Scales 68-70 ~i ^, 9 or 10 between the lateral line and the root of the ventral. 14—15 Olive above, each scale darker at the base, silvery white lieneath ; fins greyish. Total length, 320 millim. Described from three specimens from the north end of Lake Tanganyika. The discovery of a species of this genus in Lake Tanganyika is particularlyinteresting from the fact that only one was known from Africa, viz., the Abysin-nian C. dilloni, C. and V. ; this is distinguished by the absence of bart>els and thegreater size of the scales (30 to 32 in the lateral line). In the presence of a pair ofbarbels and the small size of the scales, C. taiigauictc belongs to the typical sectionof the genus, inhabiting south-western Asia; but it has the enlarged dorsal rayneither feeble, as in C. ftindultis, Pall, and allied species, nor serrated, as inC. tnttta.


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Keywords: ., bookcentury1900, bookdecade1900, booksubjectm, booksubjectzoology