to undreamed-of pinnacles of speed.

As he ran, his knees came nearly to his shoulders at each frantic bound; his left hand was extended far ahead, clutching wildly at the air as though he were endeavoring to pull himself ahead, while his right hand, still grasping the cudgel, described a rapid circle, like the arm of a windmill gone mad. In action Waldo was an inspiring spectacle.

At the foot of the cliff he came to a momentary halt, while he glanced hurriedly about for a means of escape; but now he saw that the enemy had[Pg 16] spread out toward the right and left, leaving no means of escape except up the precipitous side of the cliff. Up this narrow trails led steeply from ledge to ledge.

[Pg 16]

In places crude ladders scaled perpendicular heights from one tier of caves to the next above; but to Waldo the thing which confronted him seemed absolutely unscalable, and then another backward glance showed him the rapidly nearing enemy; and he launched himself at the face of that seemingly impregnable barrier, clutching desperately with fingers and toes.

His progress was impeded by the cudgel to which he still clung, but he did not drop it; though why it would have been difficult to tell, unless it was that his acts were now purely mechanical, there being no room in his mind for aught else than terror.

Close behind him came the foremost cave man; yet, though he had acquired the agility of a monkey through a lifetime of practice, he was amazed at the uncanny speed with which Waldo Emerson clawed his shrieking way aloft.

Half-way up the ascent, however, a great hairy hand came almost to his ankle.

It was during the perilous negotiation of one of the loose and wabbly ladders—little more than small trees leaning precariously against the perpendicular rocky surface—that the nearest foe[Pg 17]man came so close to the fugitive; but at the top chance intervened to save Waldo, for a time at least. It was at the moment that he scrambled frantically to a tiny ledge from the frightfully slipping sapling.

[Pg 17]

In his haste he did by accident what a resourceful man would have done by intent—in pushing himself onto the ledge he kicked the ladder outward—for a second it hung toppling in the balance, and then with a lunge crashed down the cliff's face with its human burden, in its fall 

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