HAPLOCHEOMIS. 295 



8. HAPLOCHROMIS ROBERTI. 

 Astatolilapia roberti, Pellegr. Bull. Soc. Zool. France, xxxvii. 1913, p. 312. 



Depth of body equal to length of head, 2f times in total length. 

 Snout a little longer than eye, which is 3^ times in length of head and 

 equals interorbital width ; lower jaw slightly projecting ; mouth ex- 

 tending to below anterior border of eye ; teeth in 4 series, outer mostly 

 bicuspid, the others tricuspid ; 5 series of scales on the cheek. 7 gill- 

 rakers on lower part of anterior arch. Dorsal XV 10 ; spines increasing 

 in length to the last, which measures nearly f length of head. Anal III 

 9 ; third spine as long as last dorsal. Pectoral -f length of head, ex- 

 tending to vertical of origin of anal. Ventral reaching anal. Caudal 

 truncate. Caudal peduncle 14 times as long as deep. Scales denti- 

 culate, 32 j^; lateral lines yg. Olive above, silvery on the sides, white 

 beneath ; 10 dark bars on the sides ; soft dorsal and caudal with dark 

 dots ; ventrals and anal yellow. 



Total length 115 millim. 



Lake Victoria. — Type in Paris Museum. 



9. HAPLOCHROMIS STANLEYI. 



Bouleng. Ann. & Mag. N. H. (7) xvii. 1906, p. 444, Fish. Nile, p. 507, pi. xc. 



fig. 5 (1907), and Ann. Mus. Genova, (3) v. 1911, p. 71. 

 Tilapia stanleyi, Pellegr. Mem. Soc. Zool. France, xxii. 1910, p. 293. 

 Ulapla stanleyi, var. uniformis, Pellegr. 1. c. 



Depth of body equal to or a little greater than length of head, 

 which is 3 to 3-|- times in total length. Upper profile of head straight 

 or slightly concave; snout as long as eye, which is 3£ to 3^ times in 

 length of head, equals interorbital width, and is twice or nearly twice 

 as great as least depth of praeorbital; lower jaw slightly projecting; 

 maxillary extending to below anterior border of eye ; outer teeth rather 

 large, conical or rather indistinctly bicuspid, 40 to 60 in upper jaw, 

 followed by two or three series of minute tricuspid teeth ; 3 series of 

 scales on the cheek, width of scaly part much less than diameter of eye. 

 Gill-rakers rather long, some T-shaped, 11 to 13 on lower part of 

 anterior arch. Dorsal XIV-XVI 9-10; spines equal from the sixth or 

 seventh, or last longest, -3- to 5 length of head ; longest soft ray § to ^ 

 length of head. Anal III 8-9 ; third spine as long as or a little longer 

 than longest dorsal. Pectoral as long as head, reaching origin of 

 anal. Ventral extending to vent or beyond origin of anal. Caudal 

 truncate or slightly emarginate. Caudal peduncle 14 to 2 times 



