THE IVORY RAIDERS
forest, but the blacks melted before them, so that they saw no sign of an enemy.
But above them lurked a grim figure in the dense foliage of the mighty trees—it was Tarzan of the Apes, hovering over them as if he had been the shadow of death. Presently a Manyuema forged ahead of his companions; there was none to see from what direction death came, and so it came quickly, and a moment later those behind stumbled over the dead body of their comrade—the inevitable arrow piercing the still heart.
It does not take a great deal of this manner of warfare to get upon the nerves of white men, and so it is little to be wondered at that the Manyuema were soon panic-stricken. Did one forge ahead an arrow found his heart; did one lag behind he never again was seen alive; did one stumble to one side, even for a bare moment from the sight of his fellows, he did not return—and always when they came upon the bodies of their dead they found those terrible arrows driven with the accuracy of superhuman power straight through the victim's heart. But worse than all else was the hideous fact that not once during the morning had they seen or heard the slightest sign of an enemy other than the pitiless arrows.
When finally they returned to the village it was no better. Every now and then, at varying intervals that were maddening in the terrible suspense they caused, a man would plunge forward dead. The blacks besought their masters to leave this terrible place,
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