he thought, he studied the entrance attentively. And he was startled
suddenly to find that he could not see it! Had something happened? Had
the door closed automatically? If that were so, he was in a nice fix,
and he would soon join Boris as a prisoner.

But then he realized that the seeming disappearance of the opening was
simply the result of clever screening, by means of bushes. It had
deceived him for the moment. He saw that the door was so contrived that
anyone emerging from it would seem to anyone even a few feet away, to be
simply coming out from behind a bush. And then he got his great idea, an
idea that made him turn his head, so that the soldier would not see the
grin he could not suppress.

"Here, give me that gun!" said the soldier, again. He was more impatient
than before, and his tone was one of anger. He struggled to his feet,
too, and stood, swaying uncertainly, still weak and very dizzy as the
result of his fall.

"Beware!"

The word came in a sepulchral, heavy voice from directly behind the
soldier. He swung around, greatly puzzled.

"Who's there?" he called, sharply.

"I am everywhere!" said the same voice.

But now it came from the very ground at his feet.

And then the voice spoke, swinging around, as the soldier turned, like a