And then, with a parting glance at the ancient skeleton, he turned to the task of ascending the western wall of the canyon. Slowly and with many rests he dragged his weakening body upwards. Again and again he slipped back from sheer exhaustion and would have fallen to the floor of the canyon but for merest chance. How long it took him to scale that frightful wall he could not have told, and when at last he dragged himself over the top it was to lie weak and gasping, too spent to rise or even to move a few inches farther from the perilous edge of the chasm.
At last he arose, very slowly and with evident effort gaining his knees first and then staggering to his feet, yet his indomitable will was evidenced by a sudden straightening of his shoulders and a determined shake of his head as he lurched forward on unsteady legs to take up his valiant fight for survival. Ahead he scanned the rough landscape for sign of another canyon which he knew would spell inevitable doom. The western hills rose closer now though weirdly unreal as they seemed to dance in the sunlight as though mocking him with their nearness at the moment that exhaustion was about to render them forever unattainable.
Beyond them he knew must be the fertile hunting grounds of which Manu had told. Even if no canyon intervened, his chances of surmounting even low hills seemed remote should he have the fortune to reach their base; but with another canyon hope was dead. Above them Ska still circled, and it seemed to the ape-man that the ill-omened bird hovered ever lower and lower as though reading in that failing gait the nearing of the end, and through cracked lips Tarzan growled out his defiance.
Mile after mile Tarzan of the Apes put slowly behind him, borne up by sheer force of will where a lesser man would have lain down to die and rest forever tired muscles whose every move was an agony of effort; but at last his progress became practically mechanical—he staggered on with a dazed mind that reacted numbly to a single urge—on, on, on! The hills were now but a dim, ill-defined blur ahead. Sometimes he forgot that they were hills, and again he wondered vaguely why he must go on forever through all this torture endeavoring to overtake them—the fleeing, elusive hills. Presently he began to hate them and there formed within his half-delirious brain the hallucination that the hills were German hills, that they had slain someone dear to him, whom he could never quite recall, and that he was pursuing to slay them.
This idea, growing, appeared to give him strength—a new and revivifying purpose—so that for a time he no longer staggered; but went forward steadily with head erect. Once he stumbled and fell, and when he tried to rise he found that he could not—that his strength was so far gone that he could only crawl forward on his hands and knees for a few yards and then sink down again to rest.
It was during one of these frequent periods of utter exhaustion that he heard the flap of dismal wings close above him. With his remaining strength he turned himself over on his back to see Ska wheel quickly upward. With the sight Tarzan’s mind cleared for a while.
“Is the end so near as that?” he thought. “Does Ska know that I am so near gone that he dares come down and perch upon my carcass?” And even then a grim smile touched those swollen lips as into the savage mind came a sudden thought—the cunning of the wild beast at bay. Closing his eyes he threw a forearm across them to protect them from Ska’s powerful beak and then he lay very still and waited.
It was restful lying there, for the sun was now obscured by clouds and Tarzan was very tired. He feared that he might sleep and something told him that if he did he would never awaken, and so he concentrated all his remaining powers upon the one thought of remaining awake. Not a muscle moved—to Ska, circling above, it became evident that the end had come—that at last he should be rewarded for his long vigil.
Circling slowly he dropped closer and closer to the dying man. Why did not Tarzan move? Had he indeed been overcome by the sleep of exhaustion, or was Ska right—had death at last claimed that mighty body? Was that great, savage heart stilled forever? It is unthinkable.
Ska, filled with suspicions, circled warily. Twice he almost alighted upon the great, naked breast only to wheel suddenly away; but the third time his talons touched the brown skin. It was as though the contact closed an electric circuit that instantaneously vitalized the quiet clod that had lain motionless so long. A brown hand swept downward from the brown forehead and before Ska could raise a wing in flight he was in the clutches of his intended victim.
Ska fought, but he was no match for even a dying Tarzan, and a moment later the ape-man’s teeth closed upon the carrion-eater. The flesh
