desired them to look at his swollen face, his neck blistered by the sun, his feet torn and bleeding, and to observe his voice nearly lost by the simoom. With respect to the scantiness of water, of which they had complained, he was so well persuaded that they had nothing to apprehend on this score, that he would allow each man an additional gourd-full from their present stock. In fact, if they lifted up their eyes, they would perceive in the distance, the bare, black, and sharp point of the rock Chiggre, where there was an abundance of water. The only point, therefore, was to hasten on in good spirits to this spot, where all their fears of perishing from thirst in the desert would immediately vanish. This speech restored the courage of the whole party, and they continued their march with something like energy. That same evening they reached Chiggre.
On the 17th of November they left the wells, and resumed their march through the desert. Having journeyed on during the greater part of the day, amused rather than terrified by the moving sand columns, with which they were now become familiar, they halted late in the afternoon in a vast plain, "bounded on all sides by low sandy hills, which seemed to have been transported thither lately. These hillocks were from seven to thirteen feet high, drawn into perfect cones, with very sharp points, and well-proportioned bases. The sand was of an inconceivable fineness, having been the sport of hot winds for thousands of years." These cones, in fact, were nothing more or less than the relics of a group of sandy pillars, which had been perhaps on the previous day in motion; and had they then advanced so far, might have overwhelmed them in their fall. Marks of the whirling motion of the pillars were distinctly seen in every heap.
In the course of the next day they passed by the spot where, but a few years before, one of the largest caravans that ever came out of Egypt,
