THE MAGIC ARROW 167 this time to release one of the vast overhanging drifts above and send it crashing down the mountainside? At any moment they might choose to ride, thundering and shrieking, down the steep slope into the valley below. This was the season of warm winds and melt- ing snow-fields, when the mountain spirits loved to play in all the canyons and gulches, riding the ava- lanches down into the forests, carrying trees and rocks and all growing things before them as they rode. He had heard them ride thus many times; had seen the wide brown scars on the mountainside left to mark the scenes of their merrymaking. If they came sliding down now from the drifts above, he would be pushed off the cliff into the abyss below. He peered over the ledge to see if it would be pos- sible to climb down again, and was amazed when he saw that the gulch he had left the night before, marked by a thin spiral of smoke from his fire, was halfway down the mountain—so far down that the big cedars looked like little saplings! He had climbed as far as that, up a cliff so steep and sheer that he knew he could never make his way downward to the bottom of it. He must find some other way back to the valley. On one side of the cliff was a rock slide, too dan- gerous to attempt to cross. On the other was a gentler slope along which he could see the well-worn trails of mountain-goats. He hurried in that direction and had gone but a short distance when he came to a