He then returned to Khartum, and in 1879 went again into Darfur to pursue the slave traders, while his subordinate, Gessi Pasha, fought them with great success in the Bahr-el-Ghazal district and killed Suleiman, their leader and a son of Zobeir.
The relations of the Sudan government with its Italian, Abyssinian and French neighbours was marked by cordiality, but with the Congo Free State difficulties arose over claims made by that state to the Bahr-el-Ghazal Lado.
Elephants are abundant in the Bahr-el-Ghazal and Bahr-el-Jebel forests, and are found in fewer numbers in the upper valle y of the Blue Nile.
In the south-west, beyond the valley of the Bahr-el-Ghazal, the country gradually rises to a ridge of hills, perhaps 2000 ft.
East of the Bahr-el-Jebel and north of the Bahr-el-Ghazal are vast prairies covered with tall coarse grass.