LIST OF AUTHORITIES CONSULTED.

#Perennial Irrigation (Willcocks), 1894.

*Report on Egyptian Provinces of Sudan, Eed Sea, and Equator, 1884.

Incidents of a Journey through Nubia and Darfoor (Ensor), 1875-76.

Uganda and the Egyptian Soudan (Felkin), 1879-80. 2 vols.

Petermann's Mittheilungen, 1875, 1877, 1879, 1880, 1881, 1883. 1888.

General- Report on the Province of Kordofan (Prout), 1877. Northern and Central Eordofan (Colston), 1878.

The Cradle of the Blue Nile (de Cosson), 1873. 2 vols.

Travels in Africa (Junker), 1875-86. 3 vols.

Voyage aux deux Nils (Lejean), 1860-61, and Atlas. The Nile Tributaries of Abyssinia (Baker), 1861-62.

Survey of the White Nile (Logbook by Lieut. Watson), 1874-75. Emin Pasha and the Rebellion at the Equator (Jephson), 1887-88.

Reisen in Nubien, &c. (Russegger), 1838. #Report on the Soudan (Lieut.-Col. Stewart), 1883 (Blue Book, Egypt, No. 11, 1883). Reisen im G-ebiete des Nil (Marno), 1869-73. With Hicks Pasha in the Soudan (Colborne), 1883.

Reise in der Egyptischen Aquatorial Provinz und in Kordofan, 1875

(Marno) .

Campaigning on the Upper Nile and Niger (Yandeleur), 1897.

Bulletins de la Societe Khediviale de Geographie, 1876-93.

Proceedings of the Royal G-eographical Society, 1884, 1887.

Mahdism and the Egyptian Sudan (Wingate), 1891.

Ten Years Captivity in the Mahdi's Camp (Ohrwalder), 1892.

Colonel Gordon in Central Africa (Hill), 1884.

Mittheilungen der Geog. Gesellschaft in Wien, 1870.

Ten Years in Equatoria (Casati), 1880-89. 2 vols.

* Government Publications.