placed bits of the small beast all along it; then he lit a fire on each side, and the stones heated, and the bits began to cook. It was at this time that the tribe noticed that the wolves who had followed them so far were no longer content with the scraps of deserted encampments. A line of yellow eyes surrounded them, and when it moved it was to come nearer. So the men of the tribe hastily tore up brushwood, and felled a small tree with their flint axes, and heaped it all over the fire that Loz had made, and for a while the great heap hid the flame, and the wolves came trotting in and sat down again on their haunches much closer than before; and the fierce and valiant dogs that belonged to the tribe believed that their end was about to come while fighting, as they had long since prophesied it would. Then the flame caught the lofty stack of brushwood, and rushed out of it, and ran up the side of it, and stood up haughtily far over the top, and the wolves seeing this terrible ally of Man revelling there in his strength, and knowing nothing of his frequent treachery to his masters, went slowly away as though they had other purposes. And for the rest of that night the dogs of the encampment cried out to them and besought them to come back. But the tribe lay down all round the fire under thick furs and slept. And a great wind arose and blew into the roaring heart of the fire till it was red no longer, but all pallid with heat. With the dawn the tribe awoke.
Loz might have known that after such a mighty conflagration nothing could remain of his small furry beast, but there was hunger in him and little reason as he searched among the ashes. What he found there amazed him beyond measure; there was no meat, there was not even his row of reddish brown stones, but something longer than a man's leg and narrower than his hand, was lying there like a great flattened snake. When Loz looked at its thin edges and saw that it ran to a point, he picked up stones to chip it and make it sharp. It was the instinct of Loz to sharpen things. When he found that it could not be chipped his wonderment in-
