ed of petrified wood, such as we had seen in the mountains near Cosseir. At a quarter past eleven, going due N. we entered a narrow valley, in which we passed two wells on our left, and following the windings through this valley, all of deep sand, we came to a large pool of excellent water, called Umgwat, sheltered from the rays of the sun by a large rock which projected over it, the upper part of which was shaped like a wedge, and was composed all of green marble, without the smallest variety or spot of other colour in it.
Through this whole valley, to-day, we had seen the bodies of the Tucorory who had followed Mahomet Towash, and been scattered by the Bishareen, and left to perish with thirst there. None of them, however, as far as we could observe, had ever reached this well. In the water we found a bird of the duck kind called Teal, or Widgeon. The Turk Ismael was preparing to shoot at it with his blunderbuss, but I desired him to refrain, being willing, by its flight, to endeavour to judge something of the nearness of the Nile. We raised it therefore by sudden repeated cries, which method was likely to make it seek its home straight, and abandon a place it must have been a stranger to. The bird flew straight west, rising as he flew, a sure proof his journey was a long one, till at last, being very high and at a distance, he vanished from our sight, without descending or seeking to approach the earth; from which I drew an unpleasant inference that we were yet far from the Nile, as was really the case.
Here we threw away the brackish water that remained in our girbas, and filled them with the wholesome element
