dents secretly favoring the Mahdi, then the entire caravan would visit the village, and often it happened that it was increased by a few or even a dozen or more young Arabs who also wanted to fly to the Mahdi.
Idris learned also that almost all the Egyptian detachments were stationed on the side of the Nubian Desert, therefore on the right, the eastern side of the Nile. In order to avoid an encounter with them it was necessary only to keep to the left bank and to pass by the larger cities and settlements. This indeed lengthened their route a great deal, for the river, beginning at Wâdi Haifa, forms a gigantic arch inclining far towards the south and afterwards again curving to the northeast as far as Abu Hâmed, where it takes a direct southern course, but on the other hand this left bank, particularly from the Oasis of Selimeh, was left almost entirely unguarded. The journey passed merrily for the Sudânese in an increased company with an abundance of water and supplies. Passing the Third Cataract, they ceased even to hurry, and rode only at night, hiding during the day among sandy hills and ravines with which the whole desert was intersected. A cloudless sky now extended over them, gray at the horizon's edges, bulging in the center like a gigantic cupola, silent and calm. With each day, however, the heat, in proportion to their southward advance, became more and more terrible, and even in the ravines, in the deep shade, it distressed the people and the beasts. On the other hand, the nights were very cool; they scintillated with twinkling stars which formed, as it were, greater and smaller clusters. Stas observed that they were not the same constellations which shone at night over Port Said. At times he had dreamed of seeing sometime in his life the Southern Cross, and finally beheld it beyond El-Ordeh. But at present its luster pro-
