MALOPTEEUBUS. 397 



R. Hartmann* procured one near Assuan in 1860 which measured 2 German feet 

 (630 millim.) ; and in the Congo the species attains a length of 850 millim. 



The Electric Cat-fish has a wide distribution in Africa, extending from the Nile to 

 the Zambesi and from the Senegal to the Congo. It is, however, absent from most 

 of the rivers of East Africa and it has not been found in Lake Victoria. 



List of specimens examined: — 



1 Egypt.— Riippell, 1832. 



6 Rosetta branch of Nile, downstream side of barrage. — Loat, 28-30.7.99. 



1 Barrage N. of Cairo.— Capt. Flower, 1903. 



1 Nile at Cairo.— Loat, 16.6.00. 



1 Nile near Cairo. — Capt. Flower, 1905. 



2 Beni Souef.— Loat, 14-20.8.99. 



2 Lahun, Bahr Yusuf, Fayum.— Loat, 5.10.99. 



16 At regulators near Luxor. — Loat ; 8.10-12.11.00. 



3 Assuan.— Loat, 30.8-11.9.00. 

 3 Khartum.— Petherick, 1861. 



1 Rosaires, Blue Nile. — Capt. Flower, 6.05. 



1 Sennar.— Loat, 22.10.01. 



3 Fashoda.— Loat, 14-31.3.01. 



2 Mouth of Lake No.— Loat, 15.2.01, 4.3.01. 



3 McCarthy Id., Gambia.— Budgett, 1898. 

 1 Gambia. — Capt. Vipan, 1905. 



1 R. Offin, Gold Coast.— R. B. N. Walker, 1902. 



4 Lagos.— Sir A. Moloney, 1891. 

 1 Benin R. — Mrs. Burton. 



1 Niger.— Dalton, 1863. 



1 Niger.— W. A. Forbes, 1883. 



1 Sapelle, S. Nigeria. — Dr. Ansorge, 1900. 



1 Sapelle, S. Nigeria. — Hamlyn, 1904. 



1 Ossomari, S. Nigeria. — Dr. Ansorge, 1901. 



1 Agberi, S. Nigeria. — Dr. Ansorge, 1901. 



1 Niger Delta.— A. Millson, 1894. 



2 Creek Town, Old Calabar.— Rev. H. M. Waddell, 1855. (Types of M. beninensis ) 

 1 Old Calabar. ■) 



1 Old Calabar.-Carruthers, 1859. J (Tj ^ ° f M ' a «^0 



2 Old Calabar.— Miss Kingsley, 1894. 

 1 Old Calabar.— Jackson, 1905. 



3 Fernando Po. — Seimund, 1904. 



1 Kribi R., S. Cameroon.— Bates, 1903. 



3 Benito R., Spanish Guinea.— Bates, 1901. 



* Arch. f. Anat. u. Pbysiol. 1861, p. 661. 



