140 CICHLID^. 



** Caudal peduncle as long as deep, rarely a little deeper than 

 long ; 2 or 3 series of scales on tlie cheek ; 15-23 gill-rakers ; 

 pectoral upuall}- not much longer than head. 

 D. XV-XVI lO-ll'; A. Ill (IV) 9-10 ; Sc. 30- 



33 ° ,; : mouth large, at least | width of 

 12-15 o ' * 



head, extending to below eye, or not quite 



so far ; caudal rounded in the adult . . "). T. mossainhica, Peters, p. 154. 



D. XV-XVI 12-13 ; A. Ill 10 ; Sc. 28- 



3-1 

 31 p ; mouth large, extending to below 



anterior border of eye, or a little beyond : 



caudal truncate 6. T. vorax, Pfeff., p. 15G. 



D. X V-XVIII 10-12 ; A. Ill 9-11 ; Sc. 30- 



34 ttttj j niouth f to f width of head, 

 extending to between nostril and eye ; 

 caudal truncate or slightly emarginate 



(angles sometimes rounded) 7.7'. natalensis, M. Wob., p. 157. 



D. XV 12-13 ; A. Ill 9-10 ; Sc. 27-30 #^ ; 



' ld-14 



mouth I width of head, extending 

 to between nostril and eye ; caudal 

 truncate 8. T. linnelli, Lonnb., p. 159. 



*** Caudal peduncle deeper tlian long ; 2 or 3 series of scales on 

 the cheek ; 15-25 gill-rakers ; pectoral often much longer 

 than head in adult. 



D. XV-XVI 12-13; A. Ill 9-10; Sc. 29- 



3-3- 



31 jW> ; caudal truncate or slightly 



emarginate 9. T. inacrochir, Blgr., p. IGO. 



D. XV-XVIII 11-15 ; A. Ill 8-11; Sc. 31- 



3--5 



35 ytio ; caudal rounded in the adult . . 10. T. ntlolica, L., ]). 162. 



/3. Outer teeth with extremely slender shafts, sometimes almost soti- 

 form ; 2 or 3 series of scales on the cheek ; caudal truncate or 

 slightl}' emarginate. 

 * Caudal peduncle not deeper than long. 

 D. XVI-XVII 10-13 ; A. Ill 9-10; Sc. 31- 



32 jVTfj ; third anal spine longer than 



longest dorsal ; 20-30 gill-rakers . . .11. T. eduardiana, B\gr., p. IGG. 

 D. XVI-XVIII 10-13 ; A. Ill (IV) 10-11 ; 

 Sc. 31-35 jjjjg ; third anal spine not 

 longer than longest dorsal ; 17-19 gill- 

 lakers 12. T. variabilis, B]gr., t[). K7. 



