AFRICA.

—The two brothers Denhardt, already known by their previous explorations, are preparing an expedition to the Dana, which they will reascend to reach Kenia.

—The Universities' Mission has constructed for the eastern side of Nyassa a steamer which will bear the name of Charles Janson, a missionary recently deceased.

—Messrs. Taylor and Jacques, missionaries at Saint Louis, have made in the Oualo, inhabited by emigrants and the Wolofs mussulmen, a journey of exploration with a view to the extension of their field of activity.

—The French Consul at Tangier has interdicted his French subjects, and the mussulmen placed under his protection, from buying, selling or possessing the slaves of the Maroe. His example has been followed by the representatives of other powers.

—General Bacouch, a great proprietor in Tunis, encourages, in a domain of many thousands of acres, the cultivation of a plant imported from Java, which may replace the cotton of America.

—Messrs. Lindner and Von der Broock, in the service of the International African Association, have set out from Zanzibar for the Congo, taking with them 200 negroes to replace those whose term of engagement has expired.

—According to the Natal Mercantile Advertiser, the German Government has charged M. A. Schultz, of Durban, with making an exploration with a view to establishing a series of commercial stations as far as Zambeze and the Congo. He will be accompanied by a surveyor and a geologist.

—M. Lagarde has been charged with proceeding to the limits of the Territory of Obock, in connection with M. Conneau, Commander of the Infernet. This same ship carries out the members of a scientific mission sent to the Choa. It bears presents to King Ménélik.

—James Roxburgh, the engineer appointed to accompany the sections of the steamer Bonne Nouvelle, has announced to the London Missionary Society his safe arrival at Liendwé upon the borders of Tanganyika, the place designed to launch the vessel. He met there Capt. Hore and Mr. Swan, who will immediately commence the reconstruction of the boat.

—Major Machado, who has been at Pretoria with Portuguese engineers to make the plan of the railroad upon the Territory of Transvaal, has received orders from Lisbon to proceed to Lorenzo-Marquez to confer with the engineers sent by the Portuguese Government, to the end that they may commence the work from the Bay of Delogoa to the frontier of Transvaal.

—The Bulletin of Colonial Inquiry announces that ten army surgeons from Africa have formed an association for the establishment of French colonies in the district of Saida, 171 kilometers to the south of Oran. Each shareholder will furnish a capital of 6,000 francs, and the society will be conducted in an economical manner, but with the best conditions for starting.

—According to the Arab journal Noussret, the Negous has ordered the Governor of Axoum to hold ready provisions, and beasts of burden, as also ammunition, so that they may have means of passage with the army to the coast to take possession of the territories which Egypt has laid open to them.