"I haven't seen anyone else here," replied the boy, "except the one we saw in front of the fire last night."
"And that might have been Pierre, for all we know!" Tommy declared.
"You don't know whether it was Pierre or some one else," Sandy observed, "so we don't know whether there's another hunter roaming around here or not! I hope there is, so far as I'm concerned!"
The question was settled in a moment. Rocks continued to fall from the barrier, and in a moment a voice called out:
"Who's there?"
"Four of us!" was the reply.
"Why don't you come out?"
The boys detected a faint chuckle in the voice.
"We're willing!" Sandy answered.
"Well, come on, then!"