wolves knew this sound. Too many times they had seen their pack-fellows die in the snow when such a report as this, only intensified a thousand times, cracked at them through the winter air. No animal in all the forest has been as relentlessly hunted as the wolves, and they have learned their lessons. For longer years than most men would care to attempt to count, men have waged a ceaseless war upon them. And they have learned that their safety lies in flight.
Very quietly, and quite without panic, the wolves turned and headed farther into the forests. Possibly no other animal would have been frightened at such a distance. And it is certainly true that in the deep, winter snows not even the wolves would have heeded the sound. The snows bring Famine; and when Famine comes to keep its sentry-duty over the land, all the other forest laws are immediately forgotten or ignored. The pack forgets all its knowledge of the deadliness of men in the starving times.
The grouse heard the sound, and, silly creatures that they are, even they raised their heads for a single instant from their food. The felines—the great, tawny mountain lions and their smaller cousins, the lynx—all devoted at least an instant of concentrated attention to it. A
