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Curiosities Respecting Showers
the world. In that vast expanse of desert from west to northwest of us, we saw a number of prodigious pillars of sand at different distances, at times moving with great celerity, at intervals others stalking on with a majestic slowness: at intervals we intervals we thought they were coming in a few minutes to overwhelm us; and small quantities of sand did actually more than once reach us. Again they would retreat so as to be almost out of sight, their tops reaching to the very clouds. Here the tops often separated from the bodies; and these, once disjoined, dispersed in the air, and did not appear more.
Sometimes they were broken near the middle, as if struck with a large cannon-shot. About noon they began to advance with considerable swiftness upon us, the wind being very strong at north. Eleven of them ranged alongside of us about the distance of three miles. The greatest diameter of the largest appeared to me, at that distance, as if it would measure ten feet. They retired from us with a wind at south-east, leaving an impression upon my mind to which I can give no name, though surely one ingredient in it was fear, with a considerable deal of wonder and astonishment. It was in vain to think of flying; the swiftest horse, or fastest sailing ship, could not carry us out of this danger; and the full persuasion of this riveted me as if to the spot where I stood, and let the camels gain on me so much in my state of lameness, that it was with some difficulty I could overtake them. The same appearance of moving pillars of sand presented themselves to us this day, in form and disposition like those we had seen at Waadi el Halboub, only they seemed to be more in number and less in size. They came several times in a direction close upon us, that is, I believe, within less than two miles. They became, immediately after sun-rise, like a thick wood, and almost darkened the sun: his rays shining through them for near an hour, gave them an appearance of pillars of fire. Our people now became desperate: the Greek shrieked out, and said it was the day of judgment; Ismael pronounced it to be hell; and the Tucorories, that the world was on fire. I asked Idris if ever he had before seen such a sight? He said he had often seen them as terrible, though never worse; but what he feared most was that extreme redness in the air, which was a sure presage of the coming of the simoom." The flowing of sand, though far from being so tremendous and hurtful as in Arabia, is of very bad consequences in Britain, as many valuable pieces of land have thus been entirely lost; of which we give the following instances from Mr. Pennant, together with a probable means of preventing them in future.-" I have more than once (says he) on the east coasts of Scotland, observed the calamitous state of several extensive tracts, formerly in a most flourishing condition, at present