So one man is to be placed on the cliff above her, and at two o'clock in the morning, if she is still there, he is to light a fire well back from the cliff, so that the light will not be seen by her.

Another man is to be on the top of the hill, where we were together with a lantern.

You see, we can just see the top of the hill from here.

When he sees the fire he is to show a light three times.

If he sees it answered here he will know it's all right, and his work is done; if not, of course he shows the lights again until it's answered.
Now, they are going to leave you as one of the two signallers, and of course all you will have to do will be to wait for a bit, and then come down and join your friends." "That is capital," Ralph said.