310 CICHLID.^. 



* 3 to 5 series of scales on the cheek. 

 D. XV 10 ; A. Ill 7 ; Sc. 28 f|j ; 9 gill-rakers 



on lower part of anterior arch .... 9. P. demeum, Blgr., p. 324. 

 D. XVII 8 ; A. Ill 6-7 ; So. 29-32 ^ ; 13 or 

 14 gill-rakers; liead twice as long as 

 broad 10. P. a/ra, Gthr., p. 325. 



1). XVI 10-11 ; A. Ill 8-9 ; Sc. 32-34 ^3 ; 

 10-12 gill-rakers ; head 2.^ to 2^ times 

 as long as broad . 11. P. modesta, Gthr., i>. 32S. 



** (j to 9 series of scales on the cheek. 

 D. XVI 10 ; A. Ill 7 ; Sc. 30 ^^ ; 6 series of 



scales on the cheek 12. P. toddi, B\gr., \). 327. 



D. XV-XVIII 13-16; A. Ill 10-12 ; Sc. 35- 



41 i2^b > 7 t.0 9 series of scales on the 



cheek 13. P. thumheiujii^ Cast., p. 328. 



p. Caudal peduncle l^to 2 times as long as deep. 



* 3 to 5 series of scales on the cheek ; lips feebly or moderately 



developed. 



t Lower jaw strongly projecting ; head at least 2^ times as long 



as broad. 



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

 4 



35 iY_i2 '■> ^^^^^ 2§ to 3 times as long as 



broad ; mouth extending to below anterior 



border of eye 14. P. vittata, Blgr., p. 330. 



1). XV 12; A. Ill 11; Sc. 35 ™; head 

 4 times as long as broad ; mouth not ex- 

 tending to below anterior border of eye . 15. P. compressiceps, Blgr,, p. 331. 



1). XTV-XVI 9-10; A. Ill 8-10; Sc. 33- 



4-6 

 40 1^4 ; head 2^ to 3 times as long as 



broad ; mouth not extending to below 

 anterior l)order of eye ; vertical dijimeter 

 of scaly part of cheek greater than dia- 

 meter of eye in adult 16. P. longirostris, Hilg.j p. 332. 



D. XIV-XVI 8-10; A. Ill 8-10 ; Sc. 32- 

 4_5 



36 JJIY4 ; head 2\ to 2| times as long as 



broad ; mouth not extending to below 

 anterior border of eye ; vertical diameter 

 of scaly part of cheek not greater than 

 diameter of eye 17. P. /jrof/zzai/ia, Pellegr., p. 333. 



