XII
It was their longest journey, for they rode with small interruption for eighteen hours. Only real saddle-camels, having a good supply of water in their stomachs, could endure such a drive. Idris did not spare them, for he really feared the pursuit. He understood that it must have started long ago, and he assumed that both engineers would be at its head and would not lose any time. Danger threatened from the direction of the river, for it was certain that immediately after the abduction telegraphic orders were despatched to all settlements on the banks directing the sheiks to start expeditions into the interior of the desert on both sides of the Nile, and to detain all parties riding southward. Chamis assured the others that the Government and engineers must have offered a large reward for their capture and that in consequence of this the desert was undoubtedly swarming with searching parties. The only course to pursue would be to turn as far as possible to the west; but on the west lay the great oasis of Kharga, to which despatches also could reach, and besides, if they rode too far west they would lack water after a few days, and death from thirst would await them.
And the question of food became a vital one. The Bedouins in the course of the two weeks preceding the abduction of the children had placed in hiding-places, supplies of durra, biscuits, and dates, but only for a dis-
