714 



MR. C. TATE BEGAN ON THE 



A single specimen, one of the types of T. macrojjhthahna, 

 75 mm. in total length. 



Text-figure 25. 



Haplochromis argyrosoma. Nat. size. 



43. Haplochromis macrophthalmus Bouleng., 1908. 



Tilapia 'macrojyhihcdma (part.) Bouleng. Cat. Afr. Fish. iii. 

 p. 261, fig. 176. 



Depth of body 2|- to 3 in length, length of head 3. Snout with 

 slightly convex profile, shorter thiin diameter of eye, which is 

 2 L in length of head, twice depth of prteorbital or cheek, or inter- 

 orbital width. Lower jaw a little shorter than upper ; maxillary 

 not extending to below eye ; teeth in 2 series, 50 or 60 bicuspid 

 teeth in outer series of upper jaw^, anterioi' outer teeth of lower 

 jaw directed outwards. 2 series of scales on cheek. 12 or 13 

 gill-rakers on lower part of anterior arch. Last few teeth of 2 

 middle series of lower pharyngeal a little enlarged. 32 or 33 

 scales in a longitudinal series, 6 from origin of dorsal to lateral 

 line. jDorsal XVI 10 ; last spine nearly \ length of head. Anal 

 III 8 ; thii-d spine as long as last dorsal. Pectoral a little longer 

 than head, extending to above anal. Caudal emarginate. 

 Caudal peduncle 1^ as long as deep. Silvery. 



Four specimens, 70 to 80 mm. in total length [luioades). 



44. Haplochromis leuciscus, sp. n. (Text-fig. 26.) 



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

 Snout with straight or slightly convex profile, a little shorter 

 than diameter of eye, which is 3 in length of head, twice pras- 

 orbitai depth ; interorbital width 4| in head. Jaws equal 

 anteriorly ; maxillary not extending to below eye ; teeth in 2 or 

 3 series ; 45 bicuspid teeth in outer series of upper jaw. 2 or 3 

 series of scales on cheel\. 11 gill-rakers on lower part of anterior 

 arch. Pharyngeal teeth small. 31 to 33 scales in a longitudinal 

 series, 5 or 6 from origin of dorsal to lateral line. Dorsal XYI- 

 XVII 11 ; last spine f length of head. Anal III 9 ; third spine 



