weapons and his burden and set forth upon the trail of his father's people. And above him, as he passed again along the foot of the cliff, the woman that he loved slept in ignorance of his presence.

When, at last, Nat-ul awoke the sun was high in the heavens. The girl came cautiously down the cliff face, looking first in one direction and then another, often pausing for several minutes at a time to listen. All about her were the noises of the jungle and the sea and the air, for great birds and horrid winged reptiles threatened primeval men as sorely from above as did the carnivora of the land from his own plane.

She came to the spring in safety, and passed on into the jungle in search of food, for she was half-famished. Fruits and vegetables, with grasshoppers, caterpillars and small rodents, and the eggs of birds and reptiles were what she sought, nor was she long in satisfying the cravings of her appetite. Nature was infinitely more bountiful in those days than at the present, for she had infinitely more numerous and often far greater stomachs to satisfy then than now.

Nat-ul passed through the jungle to the beach. She had wanted to bathe, but, alone, she dared not. Now she stood wondering in which direction the tribe had gone. She knew that ordinarily if they had been traveling either north or south they would follow the hard-packed sand of the beach, for there the traveling was easiest, but the tide would have washed away their spoor long before this. She had seen signs of their passage north beside the jungle, but the trail was an old, well worn one traversed daily by many feet, so she had not been able to guess from it that it contained the guide to the direction her people had taken.

As she stood upon the beach trying to reason out her future plans, it became apparent that if the tribe had gone north she would have met them on her return from the Barren Cliffs yesterday, and so, as she had not met them, they must have gone south.

And so she turned her own footsteps south away from her people and from Nu.

IV

THE BOAT BUILDERS

Nat-ul kept to the beach as she tramped southward. Upon her right was the jungle, upon her left the great sea, stretching away she knew not whither. To her it represented the boundary of the world—all beyond was an appalling waste of water. To the south-east she could see the outlines of islands. They were familiar objects, yet shrouded in mystery. Often 

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