The ground was torn up and red; it was covered with great strips of black hide and pieces of flesh; and the black, on the under side, was torn open from end to end.
Two miles away, tense and white and scarcely breathing as they looked through their glasses, Langdon and Bruce crouched beside a rock on the mountainside.

At that distance they had witnessed the terrific spectacle, but they could not see the cub.

As Thor stood panting and bleeding over his lifeless enemy, Langdon lowered his glass.
"My God!" he breathed.
Bruce sprang to his feet.
"Come on!" he cried.

"The black's dead! If we hustle we can get our grizzly!" And down in the meadow Muskwa ran to Thor with a bit of warm black hide in his mouth, and Thor lowered his great bleeding head, and just once his red tongue shot out and caressed Muskwa's face.

For the little tan-faced cub had proved himself; and it may be that Thor had seen and understood..