XX
The old sheik Hatim faithfully kept his promise given to the Greek and watched over the children with great solicitude. The journey up the White Nile was difficult. They rode through Keteineh, Ed-Dueim, and Kawa; afterwards they passed Abba, a woody Nile island, on which before the war the Mahdi dwelt, in a hollow tree as a dervish hermit. The caravan often was compelled to make a detour around extensive floating masses overgrown with pyrus, or so-called "sudds," from which the breeze brought the poisoned odor of decomposed leaves carried by the current of water. English engineers had previously cut through these barriers, and formerly steamboats could ascend from Khartûm to Fashoda and farther. At present the river was blocked again and, being unable to run freely, overflowed on both sides. The right and left banks of this region were covered by a high jungle amid which stood hillocks of termites and solitary gigantic trees; here and there the forest reached the river. In dry places grew groves of acacias. During the first week they saw Arabian settlements and towns composed of houses with strange conical roofs made of dochnu straw, but beyond Abba, from the settlement of Gôz Abu Guma they rode in the country of the blacks. It was nearly desolate, for the dervishes had almost totally carried away the local negro population and sold it in the markets of Khartûm, Omdurmân, Fasher, Dar, El-Obeid, and other
