not explain, was restless, and he turned over several times, sighing heavily.
"If I were at home I should say I had eaten too much supper," he told himself. "But here rations are too scarce. I don't know what keeps me awake, unless it is that I'm too tired to go to sleep."
The campfire had burned so low that the spot was almost in total darkness. There was no moon and only a few stars shone in the sky, which was partly obscured by clouds. A gentle breeze was stirring, but otherwise all was quiet.
At last Dave thought that if he had a drink he might go to sleep with more ease, and he turned over to sit up and get to his feet. A bucket of water was close at hand, so he would not have to go far for what he wanted.
Just as Dave sat up he saw something that startled him. A dark figure was moving at a distance from the camp, coming closer slowly.
At first the youth could not make out if the figure was a man or an animal. He strained his eyes and then made out the form of a person.
At once our hero thought of Link Merwell and those with him. It must be one of their enemies, and if so, what had brought him to this spot at such an hour of the night?
"Maybe he is after our horses," reasoned the