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Show 136 MR. G. A. BOULENGER ON THE AFRICAN AND [Feb. 7, last spine longest, f- length of head, § longest soft rays. Pectoral obtusely pointed, f length of head, not extending to origin of anal. Ventral reaching origin of anal. Anal III 7 ; third spine shorter and stronger than last dorsal. Caudal rounded. Caudal peduncle as long as deep. Scales ctenoid, 26-27 ^r; lat. 1. ~^. Pale greenish above, silvery beneath; a blackish bar below the eye; brown stripes on the snout and between the eyes, two continuous or interrupted broAvn stripes along the body, two brown spots on the tail, and a few round, yellow, brown-edged spots on the anal fin. Total length 120 millim. Syria, around Lake of Galilee. 55. TILAPIA PHILANDER. Chromis (Ctenochromis) philander, M . Weber, Zool. Jahrb., Syst. x. 1897, p. 148. Teeth in 3 series in both jaws, outer moderately large, Avith strong lateral cusp, inner very minute. Depth of body equal to or a little less than length of head, which is contained 2 | to 2f in total length. Snout with slightly convex upper profile, a little longer than the eye, Avhich is contained nearly 4 times in length of head and equals interorbital width ; mouth moderate, -| width of head; maxillary extending to below anterior border of eye; 3 series of scales on the cheek ; large scales on the opercle. Gill-rakers short, tubercle-like, 8 on lower part of anterior arch. Dorsal XIII-XIV 9-10 ; spines subequal from the third, a little more than j length of head, f- to f longest soft rays. Pectoral obtusely pointed, §• length of head, not extending to origin of anal. Ventral reaching vent or origin of anal. Anal III 8-10 : third spine nearly as long as longest dorsal. Caudal rounded. Caudal peduncle as long as deep. Scales ctenoid, 27-28 ^ ^ ; lat. 1. -g^-* OhVe-brown, Avith an indistinct darker lateral stripe ; a blackish opercular spot; soft dorsal and anal with small dark and light spots. Total length 55 millim.-GroAvs to 65 millim. Natal, Transvaal. 56. TILAPIA LABIATA. Tilapia labiata, Bouleng. Tr. Zool. Soc. xv. 1898, p. 17, pi. v. fig.l. Outer teeth rather large, feebly notched ; inner teeth very small, tricuspid, in 3 or 4 series. Depth of body equal to length of head, 2f to 2f times in total length. Snout with straight upper profile, 1| to 1| diameter of eye, Avhich is 3| to 4| times in length of head and equals interorbital width ; maxillary not extending to below anterior border of eye; 3 or 4 series of scales on the cheek; large scales on the opercle; lips very strongly developed, both produced into a large triangular lobe in front. Gill-rakers moderate, 15 on loAver part of anterior arch. Dorsal XVIII 10 |