. The Tanganyika problem; an account of the researches undertaken concerning the existence of marine animals in Central Africa . • Telmatuchromis temporalis. See p. 194. and stronger than last dorsal spine ; some of the soft rays produced into filaments as in the dorsal. Caudal deeply emarginate. Caudal peduncle ih as long as deep. 1 28 Scales very thin, without denticulation, 40 — ; lat. i. —^^ - . Brownish, dorsal and caudal greyish ; venlrals and anal black, latter edged with length, 90 from a single specimen from the north end of Lake Tanganyika. 75. TiLAPIA Bo
. The Tanganyika problem; an account of the researches undertaken concerning the existence of marine animals in Central Africa . • Telmatuchromis temporalis. See p. 194. and stronger than last dorsal spine ; some of the soft rays produced into filaments as in the dorsal. Caudal deeply emarginate. Caudal peduncle ih as long as deep. 1 28 Scales very thin, without denticulation, 40 — ; lat. i. —^^ - . Brownish, dorsal and caudal greyish ; venlrals and anal black, latter edged with length, 90 from a single specimen from the north end of Lake Tanganyika. 75. TiLAPIA Boops.—Blgr. 1901. (Fig. 3, p. 175.) Depth of body equal to length of head, 3, to 3J times in total length. Snoutwith strongly convex upper profile, shorter than diameter of eye, which is ih timesin length of head, and exceeds a little interocular width ; mouth \ width of head,sub-inferior, not extending quite to below anterior border of eye ; teeth very small,.
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