you?" said Tom, and the dog looked up as if he understood.
It was a long time before their watches pointed to midnight. Then Songbird stretched himself.
"I am so sleepy I can scarcely keep my eyes open," he said with a yawn.
"Then go to sleep," said Tom.
"I take a leetle nap, too," said Hans, and soon both were slumbering, leaving Tom and Fred on guard. They wished they had a fire—it would make things more cheerful—but they did not dare to indulge themselves, for fear their enemies might see the light.
By the time it was three in the morning, even Fred could hold out no longer. He dropped off, leaving Tom to keep the vigil by himself. But soon Songbird started up.
"Have they come back, Tom?" he asked.
"Not yet."
"They must be making some wonderful discoveries. Hullo! so the others went to sleep, too? Don't you want a nap?"
"Well, I'll take forty winks, if you'll promise to keep a good lookout."
"I'll do that. I'm as fresh as a daisy now."
Tom leaned back against a tree, and in a minute more was in slumber-land. When the others awoke, they did not disturb him, consequently it
