It was a scream--a woman's scream, and there followed it shriek after shriek, until the black forest trembled with the fear and agony of the cries, and John Aldous stood as if suddenly stripped of the power to move or act.

Donald MacDonald roused him to life.

With a roar in his beard, he sprang forth into the darkness.

And Aldous followed, a hot sweat of fear in his blood where a moment before had been only a chill of wonder and horror.

For in Donald's savage beastlike cry he had caught Joanne's name, and an answering cry broke from his own lips as he followed the great gaunt form that was tearing with the madness of a wounded bear ahead of him through the night..