CL ARIAS. 



295 



Measurements (in millimetres) and numbers of fin-rays. 



l. 



Total length (without caudal) 255 



Greatest depth 29 



Length of head 58 



Width of head 42 



Leugth of snout 16 



Diameter of eye 3 



Interorbital width i 26 



Width of mouth | 24 



Length of nasal barbel - . . . 24 



„ maxillary barbel 



„ inner mandibular barbel 



„ outer mandibular barbel 



„ pectoral fin , . . . 



spine 



Number of dorsal rays 



„ anal ravs 



36 



26 

 36 

 2d 



18 

 78 

 64 



8. 



215 

 23 

 42 

 31 

 10 



91 



19 

 17 

 24 

 30 

 23 

 29 

 20 

 14 

 77 

 62 



200 

 25 



42 

 32 



10 

 2h 

 20 

 17 

 22 

 25 

 21 

 29 

 20 

 13 

 78 

 63 



180 

 24 

 41 

 30 

 10 



2J 



19 

 17 

 20 

 27 

 19 

 28 

 19 

 13 

 73 

 62 



145 

 22 

 34 

 26 

 8 

 2 

 16 

 14 

 19 

 23 

 18 

 23 

 16 

 11 

 68 

 57 



137 



20 



31 



24 



7 



2 



14 

 12 

 15 

 20 

 14 

 20 

 14 

 9 

 65 

 60 



125 

 18 

 30 

 22 

 7 

 2 

 13 

 12 

 16 

 22 

 17 

 22 

 14 

 9 

 66 

 58 



95 

 14 

 21 

 17 

 5 



H 



9 



8 

 12 

 18 

 13 

 16 

 11 



6 

 66 

 58 



1. Eort Portal. — Woosnam. 

 2-5, 7, 8. L. Victoria. — Doggett. 



6. Ewambo. — Carson. (Type.) 



Clarias carsonii is very closely related to C. liocephalus, Blgr. 5 from Lake Tanganyika, 

 differing in the shorter barbels, fewer gill-rakers, and more numerous anal rays, the 

 last of which is less widely separated from the caudal fin. 



