Page:Travels to Discover the Source of the Nile - In the Years 1768, 1769, 1770, 1771, 1772, and 1773 volume 1.djvu/111

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THE SOURCE OF THE NILE.
11

above from the Nile, by a calish, or canal, vulgarly called the Canal of Cleopatra, though it was certainly coeval with the foundation of the city; it has no other name at this day.

This circumstance, however, remedied in the beginning, was fatal to the city's magnificence ever after, and the cause of its being in the state it is at this day.

The importance of its situation to trade and commerce, made it a principal object of attention to each party in every war. It was easily taken, because it had no water; and, as it could not be kept, it was destroyed by the conqueror, that the temporary possession of it might not turn to be a source of advantage to an enemy.

We are not, however, to suppose, that the country all around it was as bare in the days of prosperity as it is now. Population, we see, produces a swerd of grass round ancient cities in the most desert parts of Africa, which keeps the sand immoveable till the place is no longer inhabited.

I apprehend the numerous lakes in Egypt were all contrived as reservoirs to lay up a store of water for supplying gardens and plantations in the months of the Nile's decrease. The great effects of a very little water are seen along the calish, or canal, in a number of bushes that it produces, and thick plantations of date-trees, all in a very luxuriant state; and this, no doubt, in the days of the Ptolemies, was extended further, more attended to, and better understood.

Pompey's