U EXPLANATION OF THE PLATES. 



PLATE XLVI. 



Fig. 1. Barbus nummifer, Blgr., p. 239. Lake Victoria. (Type.) 

 Fig. 2. Barbus macropristis, Blgr., p. 241. Lake Victoria. (Type,) 

 Fig. 3. Barbus doggetti, Blgr., p. 255. Lake Victoria. (Type.) 

 Fig. 4. Barbus magdalence, Blgr., p. 256. Bunjako, Lake Victoria. (Type.) 

 Fig. 5. Neobola argentea, Pellegr., p. 268. Bunjako, Lake Victoria. 



All nat. size. 



PLATE XLVII. 



Fig. 1. Barbus pleurogramma, Blgr., p. 242. Bahardar, Lake Tsana. (Type.) X 2. 



Fig. 2. Barbus perince, Riipp., p. 246. Rosetta Nile. Nat. size. 



Fig. 3. Barbus trispilopleura, Blgr., p. 249. Bahardar, Lake Tsana. (Type.) X If. 



Fig. 4. Barbus hurnilis, Blgr., p. 250. Bahardar, Lake Tsana. (Type.) X 1^. 



Fig. 5. Barbus neglectus, Blgr., p. 251. Damietta Nile. (Type.) x 1^. 



Fig. 6. Barbus werneri, Blgr., p. 253. Lake No. (Type.) x 2. 



Fig. 7. Barbus anema, Blgr., p. 257. Gondokoro. (Type.) X 2^-. 



PLATE XLVIII. 



Fig. 1. JDiscognathus dembeensis, Eiipp., p. 181. Bahardar, Lake Tsana. Nat. size. 

 Fig. 2. Barbus pumilus, Blgr., p. 259. Mouth of Lake No. (Type.) X 3^. 

 Fig. 3. Barilius niloticus, Joann., p. 262. Samannud. Nat. size. 

 Fig. 4. Barilius loati, Blgr., p. 265. Ibrim, Nubia. (Type.) Nat. size. 

 Fig. 5. Chelcethiops bibie, Joann., p. 271. Assuan. X 2. 



Fig. 6. Nemachilus abyssinicus, Blgr., p. 274. Bahardar, Lake Tsana. (Type.) X 2^. 

 From coloured sketches by Mr. Loat and Mr. Degen. 



PLATE XLIX. 



Clarias anguillaris, L., p. 280. Cairo, f nat. size. a. Upper view of head, 

 | nat. size ; 5. Dentition, nat. size ; c. Branchial arches and superbranchial 

 apparatus, nat. size. 



PLATE L. 



Clarias moorii, Blgr., p. 283. Lake Albert Edward. (Type.) f nat. size. a. Upper 

 view of head, § nat. size ; b. Dentition, nat. size ; c. First branchial arch, 

 nat. size. 



