PAEATILAPIA. 



349 



30. PARATILAPIA POLYODON. 



Bouleng. Ann. Mns. Geneva, (3) iv. 1900, p. 306, fig., and v. 1911, p. G8. 



Depth of body 2^ times in total length, length of head 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 interorbital width, and exceeds pva^orbital depth ; 

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



Fig. 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 f length 

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

 i to - 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 slightly 

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

 ^t^^ Olive-brown, darker above ; pectorals and anal yellowish; 



o—xo 



