TILAPIA. 1 49 



C. Giudul emargluate ; third anal spine louoer tliau longest dorsal. 

 D. XIII-XEV 10-13 ; A. Ill 7-9 ; Sc. 39- 



■ji ^-'*i 111 , . 



r2=l6' ^^^^ dorsal spine not more than 



2i times in length of head 87. T. oUgacanthus, B\kr., p. 258. 



D. XIII-XV 12-14 ; A. Ill 10-12 ; Sc. 33- ' ' P 



36 



4-4 



j^ : last doi-sul spine 2^ to 3 times 



in length of head 8>^. T. betsileana, B]gr., p. 2 5d. 



D. Caudal deeply notched, often suberescentic; eye not more than 3 times in 

 length of head. 



1. 31-34 scales in longitudinal series ; 8-12 gill-rakers on lower part of 

 antoi-ior arch. 

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



•^■^ 12 ' ^y^ ^h to H times in length of [p. 261. 



head ; caudal peduncle longer than deep . 89. T. macrophthalma, Blgr., 

 D. XV 12 ; A. Ill 9 ; Sc. 31-32 ^ ; eye 2^ 

 times in length of head ; caudal peduncle 



as long as deep 90. T. Jr«i)w, Blgr., p. 262. 



2. 34-65 scales in longitudinal series ; 13-17 gill-rakers. 

 D. XAa-XVII 11-12 ; A. Ill 9 ; Sc. 34- 

 36 j^j2 ; <?ye 2f to 3 times in length of 

 head ; caudal peduncle If times as long 



fis deep 91. r. inomata, Blgr., p. 263. 



D. XVI 11 ; A. Ill 9 ; Sc. 40 ^^ ; eye 3 times 

 in length of he;id ; caudal peduncle 1^ 



tint's as long as deep 92. T.tr£matoce2->kala,'B\gr.,p.2C>i:. 



J). XII-XTII 14 ; A. Ill 8-9 ; Sc. 39- 

 40 ' ; eye 2^ times in length of hea(i ; 

 caudal peduncle nearly twice as long as 



deep 93. T. /<oo;«, Blgr., p. 265. 



D. XIII-XIV 13-14 ; A. Ill 9-10 ; Sc. 5.5- 

 65 " ^, ; eye 2| to 2f times in length 

 of head ; caudal peduncle a little longer 

 than deep 94. 7". ffrancJociilis, Blgr., p. 2C)i]. 



1. TILAPIA HUNTEEI. 



Oreonhroinis hunteri, Giinth. Proc. Zool. Soc. 1889, p. 70 ; Pollegr. Mem. Soc. 



Zoo). France, xvi. 1904, p. 354. 

 TiJapia hunteri, Bouleng. Proc. Zool. Soc. 1899, p. 110. 



Depth of body equal to length of hcarl, 3-J- times in total length. 



