of the hills and plains are taught patience almost as soon as they learn to ride a horse. He surveyed the yellow-green forest calmly. In the west the low hanging sun turned crimson and bulged at the sides into a clumsy elipse. He started down the slope at the same dog-trot which the pony had kept up all day. Just before he reached the skirts of the trees he brought his horse to a sudden halt and threw back his head. It seemed to him that he heard a faint whistling.
He could not be sure. It was so far off and unlike any whistling he had ever heard before, that he half guessed it to be the movement of a breeze through the willows, but the wind was hardly strong enough to make this sound. For a full five minutes he listened without moving his horse. Then came the thing for which he waited, a phrase of melody undoubtedly from human lips.
What puzzled him most was the nature of the music. As he rode closer to the trees it grew clearer. It was unlike any song he had ever heard. It was a strange improvisation with a touch of both melancholy and savage exultation running through it. Calder found himself nodding in sympathy with the irregular rhythm.
It grew so clear at last that he marked with some accuracy the direction from which it came. If this
