. The Tanganyika problem; an account of the researches undertaken concerning the existence of marine animals in Central Africa . Lamprologus modestus. See p. 170. Lake Tanganyika. It is very closely allied to P. ventralis, Blgr., from which itdiffers in the dentition and in the shorter pectoral fin. 46. Paratilapia furcifer, sp. n.—Blgr. 1898. (Fig., p. 177.) Teeth very small, in three series in both jaws, the outer largest and tipped withbrown. Depth of body equal to length of head, 3 times in total length. Snoutwith curved upper profile, a little shorter than the eye, the diameter of which i
. The Tanganyika problem; an account of the researches undertaken concerning the existence of marine animals in Central Africa . Lamprologus modestus. See p. 170. Lake Tanganyika. It is very closely allied to P. ventralis, Blgr., from which itdiffers in the dentition and in the shorter pectoral fin. 46. Paratilapia furcifer, sp. n.—Blgr. 1898. (Fig., p. 177.) Teeth very small, in three series in both jaws, the outer largest and tipped withbrown. Depth of body equal to length of head, 3 times in total length. Snoutwith curved upper profile, a little shorter than the eye, the diameter of which is 2|. Haplochilus tanganicanus. See p. 168. to 2| times in length of head and slightly exceeds interorbital width ; maxillaryextending to below anterior border of eye ; two or three series of scales on thecheek ; large scales on the opercle. Gill-rakers rather long, lanceolate, 15 or 16 onlower part of anterior arch. Dorsal XIIL, 13-14; spines increasing in length tothe ninth, which measures a little less than h length of head ; some of the soft raysproduced, nearly as long as head. Pectoral a little longer than head. Ventral 182 THE TANGANYIKA PROBLEM. much pioduccd, extending nearly to caudal. Anal III., 9 ; third spine l<)iij;est, \length of head ; middle soft rays produced, like the dorsals. Caudal deeply cmar-ginate, crescentic, the rays at the angles produced. Caudal peduncle, i^ as long as deep. Scales finely denticulate on the edge, 60-63 —r ; lat. I, -r. ; upper lateral line nearly complete, extending on the caudal peduncle. Bluish alxjve, whitelieneath ; a few ill-defined yel
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