Suddenly came the howl of pursuit--the awful, terrifying cry of the wolf pack fresh upon the heels of quarry.
The wolves had turned on the trail and were off up the gulch.
"Run!" commanded Skipper Ed, half under his breath, but still in a tone so loud and tense that the boys heard.

"Run! We must run now for our lives!" And they did run, but had scarcely gained the cover of the woods on the northern side of the open when wolf cries left no doubt that the animals had discovered the return trail and were hot upon it.

It seemed now that nothing but an intercession of Providence could save them.

The wolf pack would surely overtake them before they could attain the protection of the cabin..