Just then the drifting clouds swept from before the face of the moon, whose rays streamed down upon the prairie. From out this misty obscurity shot a horse and rider, the animal with outstretched neck, tail streaming and straining every nerve to carry the man who was leaning well forward, beyond the zone of danger. The same rhythmic beat that had fallen on their ears that afternoon greeted them again. The pony was running for all that was in him.