G.  Boulenger, ?Descriptions of new fishes discovered by Mr. E. Degen in Lake Victoria?, vol. 17, pp. 433 - 452, 1906.

G.  Boulenger, ?On a second species of the silurid genus Mochocus?, vol. 18, pp. 147 - 148, 1906.

G.  Boulenger, ?On some fishes from the Kwango River (Congo System) in Angola, collected by Dr. W. J. Ansorge?, vol. 17, pp. 110 - 112, 1906.