CHAP. XII.
Distress in the Desert — Meet with Arabs — Camels die — Baggage abandoned — Come to Syene.
ON the 17th of November, at half past ten in the forenoon, we left the valley and pool of Chiggre, Ismail, and Georgis the blind Greek, had complained of shivering all night, and I began to be very apprehensive some violent fever was to follow. Their perspiration had not returned but in small quantity ever since their coming out of the water, and the night had been excessively cold, the thermometer standing at 63°. The day, however, was insufferably hot, and their complaints insensibly wore off to my great comfort. A little before eleven we were again terrified by an army (as it seemed) of sand pillars, whose march was constantly south, and the favourite field which they occupied was that great circular space which the Nile makes when opposite to Assa Nagga, where it turns west to Korti and Dongola. At one time a number of these pil-
