Cyprichromis sp. leptosoma by Boulenger.

Paratilapia leptosoma sp. n.

Tees small, in 3 series in the upper jaw, in 4 in the lower, outer largest. Depht of body 4 to 4 ⅓ times in total length ; length of head 3. Sucut with straight upper profile, as longas or a little longer than the eye, the diameter of wihc is 3½ to 3⅔ times in lenght of head, and equals interorbital width ; maxillary extending to below anterior border of eye or not quite so far ; 2 series of scales the cheek ; opercle covered of scales. Gill-rakers long, stender, and close-set, 20 on lower part of anterior arch. Dorsal XII 14–15 ; spinesincreasing in lenght to the last, wich measures ⅔ lenght of head. Ventrale reaching origin of anal. Anal III 10-12 : third spine longest, a little than longest dorsal. Caudal feebly emarginate. Caudal peduncle twice as long as deep. Scales very finely denticulate on the edge, 39-40 2-3/11 ; lat. l. 27-31/11. Brown, ligther beneath ; dorsal and anal with or without brown longitudinal streaks ; caudal spoted with brown or black at the base.

Total length 87 millim.

Two specimens from Kinyamkolo, and from Mbity rocks.

Approaches P. longiceps Gthr. in the elongate body, but differs greatly in the dentition, the shape of the snout, and the fin-formula. Only the Malagassy species of the genus Paratilapia were known to have fewer than 13 spines in the dorsal fin ; but one of the species described above (P. ventralis) has only 12 or 13.