PAEATILAPIA. 



357 



38. PARATILAPIA SMITHII. 

 ? Ckromys smithii, (Ostein. Mem. Poiss. Afr. Austr. p. 16 (1861). 

 Paratilapia smithii, Bouleng. Tr. Zool. Soc. xviii. 1911, p. 410, pi. xxxix. fig. 2. 



Depth of body 2^ to 2-§ times in total length, length of head 3 times. 

 Head twice as long as broad, upper profile slightly concave in front of 

 eyes ; snout rounded, as long as broad, as long as postocular part of 

 head ; eye 4 to 4^ times in length of head, 1\ to \\ times in inter- 

 orbital width, equal to praeorbital depth ; mouth not extending to below 

 anterior border of eye ; teeth in outer series rather small, 52 to G4 in 

 upper jaw, followed by one or two series of minute teeth ; 5 series of 

 scales on the cheek, width of scaly part greater than diameter of eye. 



Fig. 242. 



Paratilapia smithii. 

 Okovango E, (Tr. 'L. S. 1911). f. 



Lower pharyngeal teeth with spherical crowns. Gill-rakers short, knob- 

 like, 9 to 12 on lower part of anterior arch. Dorsal XIV-XV 12-3 3 ; 

 spines increasing in length to the last, which is about \ length of head ; 

 longest soft rays \ to § length of head. Anal 111 8-9 ; third spine 

 about \ length of head. Pectoral f to f length of head, not extending 

 to vertical of origin of anal. Ventral reaching vent or anal, or not so 

 far. Caudal rounded-subtruncate. Caudal peduncle as long as deep or 

 a little deeper than long. Scales cycloid or indistinctly denticulate, 

 33-34 jtt4j ; lateral lines rgixs- Brown to blackish above, yellowish or 

 dark grey beneath ; vertical fins olive-grey or dark brown, with round 



