him yelp. Then he began rolling down the slope, over and over. He was in a panic of terror. The unknown had caught him at last. It had gripped savagely hold of him and was about to wreak upon him some terrific hurt. Growth was now routed by fear, and he ki-yi'd like any frightened puppy.
The unknown bore him on he knew not to what frightful hurt, and he yelped and ki-yi'd unceasingly. This was a different proposition from crouching in frozen fear while the unknown lurked just alongside. Now the unknown had caught tight hold of him. Silence would do no good. Besides, it was not fear, but terror, that convulsed him.
But the slope grew more gradual, and its base was grass-covered. Here the cub lost momentum. When at last he came to a stop, he gave one last agonized yelp and then a long, whimpering wail. Also, and quite as a matter of course, as though in his life he had already made a thousand toilets, he proceeded to lick away the dry clay that soiled him.
After that he sat up and gazed about him, as might the first man of the earth who landed upon Mars. The cub had broken through the wall of the world, the unknown had let go its hold of him, and here he was without hurt. But the first man on Mars would have experienced less unfamiliarity than did he. Without any antecedent knowledge, without any
