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Show 1899.] SYRIAN FISHES OF THE FAMILY CICHLID^E. 133 to below anterior border of eye ; 3 or 4 series of scales on the cheek; large scales on the opercle. Gill-rakers short, 8 to 10 on lower part of anterior arch. Dorsal X I V - X V I 8-10 ; last spine longest, f to | length of head, § to £ longest soft rays. Pectoral pointed, f to 1 length of head, not extending quite so far as origin of anal. Ventral reaching origin of anal or a little beyond. Anal III 7-8 ; third spine as long as or a little shorter than longest dorsal. Caudal rounded. Caudal peduncle as long as deep. A 1 1Q_OP Scales finely denticulate on the border, 30-33 ^-2; lat. 1. ^~6- BroAvn or olive, Avith more or less distinct dark and light spots on the soft dorsal and caudal; anal often Avith a few large round white spots ; a dark band from below the eye to the angle of the mouth ; a dark opercular spot. Total length l40 millim. Shire Biver and Lake Nyassa. 49. TILAPIA MONTEIRI, sp. n. Teeth in outer row moderate, separated by an interspace from a band of 5 transverse series of minute closely-set teeth. Depth of body equal to length of head, 3 times or not quite 3 times in total length. Snout with straight upper profile, 1^ diameter of eye, which is 31 in length of head and slightly exceeds interorbital width ; mouth rather large, f width of head; maxillary extending to below anterior border of eye or slightly beyond ; 4 or 5 series of scales on the cheek ; large scales on the opercle. Gill-rakers short, 10 on loAver part of anterior arch. Dorsal X I V - XV 10-11; spines equal in length from the 5th, ^ length of head, a little more than \ length of longest soft rays. Pectoral pointed, | length of head, not extending to origin of anal. Ventral reaching origin of anal. Anal III 6-7. Caudal rounded, densely scaled at the base. Caudal peduncle a little deeper than long. Scales mostly with finely denticulate edge, 30 ^ ; lat. 1. lj^-°. Brownish ; soft dorsal with oblique dark streaks. Total length 95 millim. Congo. A single specimen collected by the late J. J. Monteiro. A second specimen of the same size, from Matadi, forms part of the collections made by order of the Congo Free State. 50. TILAPIA FASCIATA. Chromis fasciatus, Perugia, Ann. Mus. Genova, (2) x. 1892, p. 970. Three series of teeth in the jaAVS, outer moderately large, inner very minute. Depth of body equal to length of head, 2\ to 2 | in total length. Snout with straight upper profile, as long as the eye, the diameter of which is 3 times iu length of head and exceeds interorbital Avidth; 3 or 4 series of scales on the cheek ; mouth small, maxillary reaching to between nostril and eye. Gill-rakers short, slender, 10 on lower part of anterior arch. Dorsal X V 10-11 |