For two winters Dorothy ministered to the poor leper, and during this while no one save Waldo knew of her being in the woods, and no other man set eyes on her.  The fourth year of his exile was now drawing to a close, and Waldo had fallen into extreme weakness by reason of his malady, and over his face he wore a mask of grey cloth, with two holes for his great piteous eyes.  It was in the springtide, and one night as he lay sleepless in the dark, listening to the long murmur of the wind in the swaying pines, he heard overhead sharp cries and trumpetings, and the creaking and winnowing of wings innumerable.