TILAPIA. 



179 



than prseorbital depth ; mouth moderate, f width of head, extending to 

 between nostril and eye ; teeth in 5 or 6 series, 44 to 60 in outer series of 

 upper jaw ; 3 or 4 series of scales on the cheek, width of scaly part equal 

 to diameter of eye. Gill-rakers short, 16-18 on lower part of anterior 

 arch. Dorsal XVI 12-13 ; spines subequal from the sixth or last 

 longest, § to ^ length of head ; longest soft ray a little shorter or a little 

 longer than head. Anal III 9-10; third spine f length of head. 

 Pectoral as long as or slightly shorter than head, not reaching 

 vertical of origin of anal. Ventral reaching anal. Caudal rounded- 

 subtruncate. Caudal peduncle deeper than long. Scales cycloid, 



Fig. 114. 



1^1 lyl 1^ 1^ 



Tilupa liawji. 

 Type. %. 



30-31 % ; lateral lines f^^. Brown, with four to six more or less 

 distinct broad darker vertical bands ; a blackish opercular spot ; fins 

 purplish brown with very indistinct small darker spots on the soft 

 dorsal, and a large dark spot at the base of the origin of the latter. 



Total length 220 millim. 



Ogowe. — Type in Paris Museum. 

 1. One of the types. Ngonio, Lower Ogowe. 



2. Hot. 



L. Ogomwe, Ogowe. 



Rev. E. Hang (C.) ; 



Paris llusenm (E.). 

 Dr. W.J. Ansorge (C). 



