. The Tanganyika problem; an account of the researches undertaken concerning the existence of marine animals in Central Africa . Trematocara iinimaculatum. See p. Paralilapia leptosoma. See p. 182. )2 rilK PROBLEM. 72. TiLAPIA Hlgf. I 898. (Fig. p. I 73.) Outer teeth rather large, feebly notched ; inner teeth very small, tricuspid,in 3 or 4 series. Depth of lx>dy etjual to length of head, 2?) to 2J times intotal length. Snout, with straight upper profile, I4 to \\ diameter of eye, which is3! to 4} limes in length of head and equals interorhital width ; maxillary
. The Tanganyika problem; an account of the researches undertaken concerning the existence of marine animals in Central Africa . Trematocara iinimaculatum. See p. Paralilapia leptosoma. See p. 182. )2 rilK PROBLEM. 72. TiLAPIA Hlgf. I 898. (Fig. p. I 73.) Outer teeth rather large, feebly notched ; inner teeth very small, tricuspid,in 3 or 4 series. Depth of lx>dy etjual to length of head, 2?) to 2J times intotal length. Snout, with straight upper profile, I4 to \\ diameter of eye, which is3! to 4} limes in length of head and equals interorhital width ; maxillary notextending to below anterior Ijf^rder of eye; 3 or 4 series of scales on thecheek ; large scales on the opercle ; lips ver} strongly developed, both producedinto a large triangular lobe in front. Gill-rakers moderate, 15 on lower jxirtof anterior arch. Dorsal XVIII. lO ; middle dorsal spines longest, alxnit \ lengthof head, and a little shorter than longest soft rays. Pectoral J to J length of head.\entral reaching origin of anal. Anal III. 6-7 ; third spine longest, as long aslongest dorsal, slightly shorter than longest soft rays. Caudal truncate. Caudalpedu
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