He had heard that same yell many a time, when Braddock's army was cut down in the deep forest by an invisible foe.

He could never forget its import.

But he grasped his rifle firmly, and strove to see the enemy, who, he knew, was approaching.

His four comrades lay in silence, but the muzzle of every weapon was thrust forward.
"It's fortunate we found this little hollow," said Willet.

"It will give us shelter for a while." "And we'll need it," said Black Rifle.