238 



CICHLIDJE. 



70. TILAPIA MAOROPS. 

 Bouleno-, Ann. Mus. Genova, (3) v. 1911, p. 73, pi. iii. fig. 1. 



Depth of body equal to length of head, 2|- to 3 times in total length. 

 Head twice, or a little over twice, as long as broad; snout rounded, a 

 little broader than long, with slightly convex upper profile, shorter than 

 eye, which is 3 times in length of head, equals interorbital width, and 

 much exceeds least depth of prseorbital ; jaws equal in front ; maxillary 

 extending to below anterior border of eye ; teeth small, in 3 or 4 rows, 

 outer largest and bicuspid, others tricuspid ; about GO teeth in outer row 

 of upper jaw; 3 series of scales on the cheek, the depth of the scaly 

 part below the eye about f- diameter of latter. Gill-rakers moderate, 

 10 to 12 on lower part of anterior arch. Dorsal XV— XVI 9-10 ; spines 



Fio;. 157. 



Msmm, 



m* 



2'ilajjia macrops. 

 Type (Ann. Mus. Genova, 1911). 



equal from the seventh or eighth, which measures about i length of 

 head ; longest soft rays a little more than -} length of head. Anal III 9 ; 

 third spine longest, f length of head. Pectoral pointed, ^ length of 

 head, not reaching vertical of origin of anal. Ventral reaching origin 

 of anal. Caudal truncate. Caudal peduncle a little longer than deep. 

 Scales rather strongly denticulate, 32-33 j^rn ; lateral lines t^ts- 

 Brownish above, whitish beneath, with 7 to 10 rather indistinct dark 

 cross-bars which may be traversed by a dark lateral stripe extending 

 from the opercular spot to the caudal fin; fins brownish. 



Total length 100 millim. 



Lake Victoria and llipon Falls, Lake Albert Edward. — Types in 

 Genoa Museum. 

 1. One of the types. Bussu, L. Victoria. Dr. E. Bayon (C.) ; 



Genoa Museum (P.). 



