54 



MOBMYBHLE. 



Lake Victoria might lead either to the establishment of a new species or to the 

 identification of the Victoria specimens as somewhat aberrant G. cyprinoides. The 

 typical Zambesi specimens described by Peters are stated to show the formula : 

 D. 23-24; A. 28-32; Sq. 58-62 j§; whilst the Lake Victoria specimen has D. 24; 

 A. 30 ; Sq. 68 g. 



Measurements (in millimetres) and numbers of Jin-rays and scales. 



Total length (without caudal fin) 



Greatest depth 



Length of head . 



Width of head 



Length of snout 



Diameter of eye 



Interocular width 



Width of mouth 



Length of caudal peduncle 



Depth of caudal peduncle 



Length of pectoral fin 



Number of rays in dorsal fin 



„ anal fin 



scales in lateral line 



„ from the middle of the back to the lateral line 

 ,, „ lateral line to the middle of the belly 



„ between dorsal fin and lateral line 



„ „ lateral line and anal fin 



,, round caudal peduncle 



230 



68 

 45 

 26 

 10 



6 

 16 

 12 

 41 

 15 

 35 

 25 

 32 

 59 

 11 

 17 

 10 



8 

 12 



90 



24 



20 



10 



5 



4 



6 



4 



19 



7 



16 

 24 

 30 

 68 

 15 

 17 

 12 

 11 

 16 



78 

 24 

 16 



9 



4 



4 



6 



4 

 14 



H 

 13 

 23 



29 

 57 

 11 

 14 



14 



74 



23 



18 



9 



4 



4 



7 



4 

 16 



H 



15 

 23 

 28 

 65 

 14 

 15 

 12 

 10 

 16 



1, Lake Bangwelo. — Melland. 

 2. Kavirondo Bay. — Alluaud. 



3. Kazungula, Upper Zambesi. — Jalla. 



4. Bovuma B. — Livingstone. 



