310 CICHLIDiE, 



* 3 to 5 series of scales on the cheek. 

 D. XV 10 ; A. Ill 7 ; Sc. 28 jg ; 9 gill-rakers 



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

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



14 gill-rakers; head twice as long as 



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



D. XVI 10-11 ; A. Ill 8-9 ; Sc. 32-34 ^ ; 

 10-12 gill-rakers ; head 21 to 2£ times 

 as long as broad 11. P. modesta, Gthr., p. 326. 



* w 



6 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, Blgr., p. 327. 



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



41 12-L5 > 7 to 9 series of scales on the 



cheek . , . 13. P. thinnbergii, Cast., p. 328. 



j3. Caudal peduncle lj 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 8-9 ; Sc. 33- 



35 1112 ; head 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. 



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



4-6 

 40 TTTTi 5 head 2^ to 3 times as long; as 



broad ; mouth not extending to below 

 anterior border of eye ; vertical diameter 

 of scaly part of cheek greater than dia- 

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



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



4-5 



36 lyzn ; head 2i to 2f 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. prognatha, Pellegr., p. 333. 



