PAUATILAPIA. 



349 



30. PARATILAPIA POLYODOX. 

 Bouleng. Ann. Mus. Genova, (3) iv. 1909, p. 306, fig., and v. 1911, p. 6S. 



l^epth of body 2^ times in total length, length of liead 3 times. 

 Head nearly twice as long as broad ; snout with concave upper profile, 

 broader than long, slightly longer than eye, which is 4 times in length 

 of head, 1^ times in iuterorbital width, and exceeds prseorbital depth ; 

 mouth oblique, with thick lips, extending to below anterior border of 



Fiff. 236 



Paraiilapia polyodon. 

 Type (Ann. Mus. Gen. 1909). f . 



eye or a little beyond ; teeth forming broad villiform bands, in 7 to 10 

 series ; outer teeth larger but very small, 56 to 70 in upper jaw; 3 or 4 

 series of scales on the cheek, width of scaly part equal to diameter of 

 eye. Gill-rakers short, 8 or 9 on lower part of anterior arch. Dorsal 

 XVI 9 ; spines increasing in length to the last, which measures 4 len<4li 

 of head ; longest soft rays \ length of head. Anal III 8-9; third spine 

 J to f length of head. Pectoral as long as or slightly shorter than head, 

 extending to vertical of origin of anal. Ventral reaching vent. Caudal 

 truncate or rounded, upper rays the longer. Caudal peduncle slio-htly 



5-fi 



longer than deep. Scales feebly denticulate, 32-35 j37^ ; lateral lines 

 -gfjf. Olive-brown, darker above ; pectorals and anal yellowish; 



