PARATILAPIA. 310 



27. rARATTLAPTA CRASSILABRIS. 



TlaplocJiromis crassilah7'iii, Boulen^. Ann. & Mag. N. H. (7) xvii. 100('», ji. 445. 

 Paratilapia crassilahr'is, Boulong. Fish. Nile, p. 482, pi. Ixxxvii. fig. 5 {VM)1), and 

 Ann. Mus. Genova, (3) v. li)ll, p. G8. 



Depth of body equal to length of head, 21 to 3 times in total length. 

 Head about twice as long as broad; snout with convex npi)ef profile, 

 broader than long, as long as (young) or a little longer than diameter of 

 eye, which is 3J to 4 times in length of head, equals interorbital width, 

 and exceeds praeorbital depth ; mouth not very oblique, with very thick 

 lips, not extending to below anterior border of eye ; teeth in ?> or 4 

 series, 20 to 34 in outer series of upper jaw, outer large and conical or 



Tdapia crassilabris. 

 Type (P. N.). |. 



indistinctly bicuspid in the adult, bicuspid in the young, the others; 

 minute and conical or tricuspid; 3 series of scales on the cheek, widtli 

 of scaly part equal to or a little less than diameter of eye. Gill-rakers 

 short, 7 or 8 on lower part of anterior arch. Dorsal XV-XVI 8-9 ; 

 spines increasing in length to the last, which measures | to ^ length of 

 head; longest soft rays about J length of head. Anal III 8-9 ; third 

 spine stronger and usually a little shorter than last dorsal. Pectoral 

 f to J length of head, extending to vertical of origin of anal. A'entral 

 extending a little beyond origin of anal. Caudal truncate or rounded- 

 subtruncate. Caudal peduncle 1;^ to 1^ times as long as deep. Scales 

 feebly denticulate, 31-33 y^; lateral lines ^l^- Brownish above, silvery 

 white beneath ; a rather indistinct dark bar across the nape, in front of 

 the dorsal fin, and more or less distinct traces of two dark longitudinal 



