The cliffs were red sandstone about three hundred feet high, often vertical on both sides.

Thousands of swallows swarmed there, and we did not resist giving it an obvious name.

Below this the water spread out more and was full of islands.

The current was sluggish, two miles an hour perhaps, and we indulged in the novelty of rowing the boats, though we did not try to make speed, for we had to wait for Mr.Harrell's return anyhow.

The boats had been lightened by trading to Harrell some of our flour, of which we had an over abundance when it came to portages, for fresh beef, of which we were very much in need.