one awake. Through the window, presently, came the herald of the
dawn, the slowly advancing light. And suddenly Dick saw a shadow
against the light, looked up intently, and saw that is was Jack
Young. Jack pointed. Dick, not quite understanding, moved to the
point at which he pointed.

"Stay there!" said Jack, soundlessly. His lips formed the words
but he did not utter them. He nodded up and down vehemently,
however, and Dick understood him, and that he was to stay where he
was. He nodded in return, and settled down in his new position.
And then Jack dropped out of sight.

For a long time, while the dawn waxed and the light through the
window grew stronger, Dick sat there wondering. Only the
breathing of the three men disturbed the quiet of the little hut.
But then, from behind him, he grew conscious of a faint noise.
Not quite a noise, either, it was more a vibration. He felt the
earthen floor of the hut trembling beneath him. And then at last
he understood.

He had nearly an hour to wait. But at last the earth cracked and
yawned where he had been sitting. He heard a faint whisper.

"Dig it out a little - there's a big hole underneath. You can
squirm your way through. I'm going to back out now."

Dick obeyed, and a moment later he was working his way down, head
first, through the tunnel Jack had dug from the outside. He was
small and slight and he got through, somehow, though he was short
of breath and dirtier than he had ever been in his life when at