148 CICHLID^E. 



b. Caudal not scaled : third anal spine a little longer than longest 

 dorsal. 

 D. XVIII-XIX 8-9 ; A. Ill 7-8 ; Sc. 32- 



34 '- 78. T. polyacanthus, Blgr., p. 247. 



B. Caudal more or less distinctly notched ; eye 3 to 4§ times in length of 

 head ; third anal spine not longer than longest dorsal. 



1. 8-13 gill-rakers on lower part of anterior arch ; 31-35 scales in 



longitudinal series. 



a. Caudal rays not scaly. 



D. XV-XVIII 11-12 ; A. Ill 8-10 ; Sc. 32- 



35 yvTs ; 30-40 teeth in outer series of 



upper jaw ; depth of body 2-^ to 3 times 



in total length 79. T. pleurotcenia, Blgr., p. 247. 



D. XV-XVI 10-11 ; A. Ill 8-9 ; Sc. 32- 



33 '. ; 40-50 teeth in outer series of 



upper jaw ; depth of body 2| to 2>\ times 



in total length 80. T. johnttotiii, Gthr., p. 249. 



1). XIV-XV 10-11 ; A. Ill 8-9 ; Sc. 31- 



32 jr, ; 5(5-60 tr eth in outer series of 

 upper jaw ; depth of body 2|- to 2J times 



in total length 81. T. tetrastigmat, Gthr., p. 250. 



b. Caudal rays covered with scales, except at the end. 

 D. XV-XVII 9-11 ; A. Ill 8-10 ; Sc. 33- 



35 jMd| ; BO (young)-60 teeth in outer 



series of upper jaw 82. T. Tdrhii, Gthr., p. 251. 



D. XV-XVI 10-12 ; A. Ill 8-10 ; Sc. 32- 



33 ~-f^ ; 40 (young)-70 teeth in outer 



series of upper jaw 83. T. latevistriga, Gthr., p. 253. 



D. XV-XVI 10-11 ; A. Ill 8-9 ; Sc. 33- 

 35 ~~ ; about 80 teeth in outer series 

 of upper jaw 84. T. lethrinus, Gthr., p. 254. 



2. 12-21 gill-rakers ; 34-37 scales in longitudinal series ; pectoral not 



reaching vertical of origin of anal. 

 D. XV-XVI 11 ; A. Ill 9 ; Sc. 34-35 1=J ; 



16-21 gill-rakers ; snout much longer 



than broad 85. T. rostrata, Blgr., p. 255. 



D. XVIII-XX 9-11 ; A. Ill 8-9 ; Sc. 35- 



4-5 

 0-11 

 longer than broad 86. T. dardennii, Blgr., p. 256. 



38 ji^ ; 12-14 gill-rakers ; snout not 



