TILAPIA. 



187 



dorsal. Pectoral as long as head, reaching or nearly reaching vertical 

 of origin of anal. Ventral reaching vent or anal. Caudal rounded. 

 Caudal peduncle deeper than long. Scales cycloid, 29-31 



3-:u 



1H2 ■' 



lateral 



lines j^pig- Pale brownish, witli seven or eiglit very regular dark brown 

 bars, as broad as or a little broader than the interspaces ; five of these 

 bands extend on the dorsal, the fourth involving a blackish spot at the 

 base of the origin of the soft dorsal ; a dark brown lateral band 

 sometimes present; fins brown, soft dorsal with whitish spots or oblique 

 bands. 



Total length 130 millim. 



Lower Niger, Lagos. 

 1-2. Types. Azuiiiiii(i Creek, Opobo R., 



3-4. Ad. & hgr. 

 o. SUel. 



6-8. Ad. & ligr. 

 9-10. Yg. 

 11-13. Ad. & hgr. 



Nij2;er Delta. 

 Sapc41e, Niger Delta. 



)> )) 



Oguta, Lower Niger. 



Abo, „ 



Ogun R. at Aro, Lagos. 



rig. 121. 



Miss Kingsley (C). 

 Dr. AV. J. Ansorgc (C). 



J5 



Major G. E. Briiee (P.). 



Tilapia mawjarce. 

 Type. 



2G. TILAPIA MANYARiE. 

 Hilgend. Zool. Jahrb., Syst. xxii. 1905, p. 406. 



Depth of body 2f to 3 times in total length, length of head 2| to 2| 

 times. Head twice as long as broad ; snout with straight upper profile. 



