HAPL0CH1LUS. 



421 



Measurements (in millimetres). 



Total length (without caudal) 



Depth of body 



Length of head 



Width of head 



Length of snout 



Diameter of eye 



Interorbital width 



Longest ray of dorsal fin . . . 



,, ,, anal fin ... 

 Length of pectoral fin 



,, ventral fin 



30 



29 

 7 

 8 

 4 



2 



n 



5 

 5 

 5 

 3 



3. 



23 

 5 

 6 



3i 

 1 



2 



H 



3 



4 

 4 



2 



1. L. Tanganyika. 



2, 3. L. Victoria. 



This species was discovered almost simultaneously by Dr. Cunnington in Lake 

 Tanganyika and by Mr. Degen in Lake Victoria. The specimens from the latter, ten 

 in number, were obtained at Entebbe, June 15th, 1905. 



