It was while the boy was gazing at these that he detected a peculiar movement in one of the limbs, which instantly arrested his attention.

A moment showed him that the peculiar waving motion was made by human agency, and he strained his eyes in the hope of detecting the cause of the curious movement.

The gathering darkness made his vision quite uncertain; but he either saw, or fancied he saw, a dark object among the limbs which resembled the form of Baldy Bicknell, the trapper.

Johnny Brainerd would have given almost anything in the world could he have understood what it all meant.

But the vary fact of these singular demonstrations was prima facie evidence of the most unquestionable kind; and, after a moment's consultation with himself, he began moving away, just as the sharp crack of several rifles notified him of the fearful peril which he had escaped.

CHAPTER XIV. THE HUGE HUNTER.

SIMULTANEOUS with the report of the rifles came the pinging of the bullets about the ears of young Brainerd, who, having started the steam man, kept on going until he was a considerable distance from the ravine.

All the time he kept looking back, but could see nothing of his enemies, nor could he detect the point from which the rifle-shots were fired.

Now, as night descended over the prairie, and the retreat of his friends became shrouded in impenetrable darkness, he fully appreciated the fact that not only were they in great danger, but so was he himself.