at a more moderate pace they pursued their southern journey, their long, straggling line trailing out over a quarter of a mile of desert. From their more careless bearing and the way in which they chatted as they rode, it was clear that they thought that they had shaken off their pursuers. Their direction now was east as well as south, and it was evidently their intention after this long detour to strike the Nile again at some point far above the Egyptian outposts. Already the character of the scenery was changing, and they were losing the long levels of the pebbly desert, and coming once more upon those fantastic, sunburned, black rocks, and that rich orange sand through which they had already passed. On every side of them rose the scaly, conical hills with their loose, slag-like debris, and jagged-edged khors, with sinuous streams of sand running like water-courses down their centre. The camels followed each other, twisting in and out among the boulders, and scrambling with their adhesive, spongy feet over places which would have been impossible for horses. Among the broken rocks those behind could sometimes only
