The Tanganyika problem; an account of the researches undertaken concerning the existence of marine animals in Central Africa . Telmatochromis 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 \h as long as deep. 3 28 Scales very thin, without denticulation, 40—; lat. 1. —-—. Brownish, dorsal 10 ? and caudal greyish ; ventrals and anal black, latter edged with white. Total length, 90 millim. Described from a single specimen from the north end of Lake Tanganyika. 75. Tilapia boop
The Tanganyika problem; an account of the researches undertaken concerning the existence of marine animals in Central Africa . Telmatochromis 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 \h as long as deep. 3 28 Scales very thin, without denticulation, 40—; lat. 1. —-—. Brownish, dorsal 10 ? and caudal greyish ; ventrals and anal black, latter edged with white. Total length, 90 millim. Described 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, 3J to 3$ times in total length. Snoutwith strongly convex upper profile, shorter than diameter of eye, which is 2h timesin length of head, and exceeds a little interocular width ; mouth f width of head,sub-inferior, not extending quite to below anterior border of eye ; teeth very small,.
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