great tree-ferns of his own epoch, and commenced much nearer the ground. Cat-like he leaped into the lower branches of them, revelling in the ease with which he could travel from tree to tree.

Gay colored birds of strange appearance screamed and scolded at him. Little monkeys hurried, chattering, from his path. Nu laughed. What a quaint, diminutive world it was indeed! Nowhere had he yet seen a tree or creature that might compare in size to the monsters among which he had traveled the preceding day.

The fruits, too, were small and strange. He scarcely dared venture to eat of them lest they be poisonous. If the lesser ape-folk would only let him come close enough to speak with them he might ascertain from them which were safe, but for some unaccountable reason they seemed to fear and mistrust him. This above all other considerations argued to Nu that he had come in some mysterious way into another world.

Presently the troglodyte discovered a slender, straight young sapling. He came to the ground and tested its strength by bending it back and forth. Apparently it met the requirements of a new shaft. With his stone hatchet he hewed it off close to the ground, stripped it of branches, and climbing to the safety of the trees again, where he need fear no interruption from the huge monsters of the world he knew, set to work with his stone knife to remove the bark and shape the end to receive his spear head. First he split it down the center for four or five inches, and then he cut notches in the surface upon either side of the split portion. Now he carefully unwraps the rawhide that binds the spear head into his old haft, and for want of water to moisten it crams the whole unfragrant mass into his mouth that it may be softened by warmth and saliva. For several minutes he busies himself in shaping the point of the new shaft that it may exactly fit the inequalities in the shank of the spear head. By the time this is done the rawhide has been sufficiently moistened to permit him to wind it tightly about the new haft into which he has set the spear head.

As he works he hears the noises of the jungle about him. There are many familiar voices, but more strange ones. Not once has the cave bear spoken; nor Zor, the mighty lion of the Niocene; nor Oo, the saber-toothed tiger. He misses the bellowing of the bull bos, and the hissing and whistling of monster saurian and amphibian. To Nu it seems a silent world. Propped against the bole of the tree before him grins the hideous head of the man hunter, the only familiar object in all this strange, curiously changed world about 

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