CICHLID FISHES OF LAKE NYASSA. 



715 



.stronger and as long as or a little shorter than last dorsal. 

 Pectoral f to g head, not i-eacliing anal. Caudal emarginate. 

 Caudal peduncle 1^ as long as deep. Silvery ; dorsal and caudal 

 with series of spots. 



Two specimens, 75 and 80 mm. long [Ehoades, Wood). 



Text-fiirure 26. 



Saplochromis leuciscus. Nat. size. 



45. Haplochromis inoknatus Bouleng., 1908. 



Tilapia inornata Bouleng. Cat. Afr. Fish. iii. p. 263, fig. 178. 



Depth, of body 3}- to 3^ in length, length of head 3|. Snout 

 shorter than diameter of eye, which is 2| to 3 in length of head 

 and twice depth of praeorbital or cheek ; interorbital width 4;^ in 

 length of head. Jaws equal anteriorl}^ ; maxillary not extending 

 to below eye ; teeth small, in 3 series ; 50 bicuspid teeth in outer 

 series of upper jaw. 2 or 3 series of scales on cheek. 15 or 16 

 gill-rakers on lower part of anterior arcli, Pharjmgeal teeth 

 small. 34 to 36 si;ales in a longitudinal series, 5 from origin of 

 dorsal to lateral line. Dorsal XYI-XVIII 11-12 ; last spine f 

 length of head. Anal III 9 ; third spine nearly as long as last 

 dorsal. Pectoral as long as head, not reaching anal. Caudal 

 emarginate. Caudal peduncle 1| as long as deep. Silvery. 



Two specimens, 85 and 95 mm, in total length (Rhoades). 



46. Haplochromis micrestodox, sp, n. (Text-fig. 27.) 



Depth of body 2| to 2| in length, length of head 3^ to 3^. 

 Snout Avith slightly convex profile, a little shorter than diameter 

 of eye, which is 3 in length of head, 1| prseorbital depth, 14 

 depth of cheek ; interorbital width 4 in length of head. Lower 

 jaw a little shorter than upper ; maxillary not extending to 

 below eye; teeth in 2 or 3 series, outer bicuspid, about 70 in 

 upper jaw ; inner teeth of lower jaw minute, almost invisible, 

 outer anterior teeth directed outwards. 2 or 3 series of scales 



