CHAPTER TWENTY ONE.
THE CIRCLE OF FIRE.
That expectation, however, was a vain one.

Poor lads! they little thought what was before them.

Their nerves were to be tried still farther, and by as severe a test as they had yet endured.

The wolves howled fearfully around the camp, and their eyes still shone through the gloom.

But this would not have kept the boys from sleeping, had their attention not been called to another sound--the voice of a far different creature.