The fact that the ground is sloping ought to be a help to us to keep straight.

I wish it sloped a little more, then one would be able to tell directly whether one was keeping straight.

Let the men speak to each other every few paces so as to keep the right distances apart." Mr.Fitzgibbon placed himself by Ralph's side, and they started.

For half an hour they kept on, then Ralph cried, "Halt.

I am certain I am going downhill, it may be because I have changed my direction, or it may be because there is a change in the lay of the ground.