as if of distant thunder, was heard; but the flying
hunters paid no attention to it, for the led horses gave
them so much trouble, and retarded their flight so much,
that the Indians were gradually and visibly gaining on
them.
"We'll ha' to let the packs go," said Joe, somewhat
bitterly, as he looked over his shoulder. "Our scalps'll
pay for't, if we don't."
Henri uttered a peculiar and significant
hiss