The young man contented himself therefore with repeated mental denials of her guilt. He tried to convince himself that Tarzan was mistaken, and when he conjured upon the screen of recollection the face of the girl behind him, he was doubly reassured that those lines of sweet femininity and character, those clear and honest eyes, could not belong to one of the hated alien race.
And so they sped toward the east, each wrapped in his own thoughts. Below them they saw the dense vegetation of the jungle give place to the scantier growth upon the hillside, and then before them there spread the wide expanse of arid wastelands marked by the deep scarring of the narrow gorges that long-gone rivers had cut there in some forgotten age.
Shortly after they passed the summit of the ridge which formed the boundary between the desert and the fertile country, Ska, the vulture, winging his way at a high altitude toward his aerie, caught sight of a strange new bird of gigantic proportions encroaching upon the preserves of his aerial domain. Whether with intent to give battle to the interloper or merely impelled by curiosity, Ska rose suddenly upward to meet the plane. Doubtless he misjudged the speed of the newcomer, but be that as it may, the tip of the propeller blade touched him and simultaneously many things happened. The lifeless body of Ska, torn and bleeding, dropped plummet-like toward the ground; a bit of splintered spruce drove backward to strike the pilot on the forehead; the plane shuddered and trembled and as Lieutenant Harold Percy Smith-Oldwick sank forward in momentary unconsciousness the ship dived headlong toward the earth.
Only for an instant was the pilot unconscious, but that instant almost proved their undoing. When he awoke to a realization of their peril it was also to discover that his motor had stalled. The plane had attained frightful momentum, and the ground seemed too close for him to hope to flatten out in time to make a safe landing. Directly beneath him was a deep rift in the plateau, a narrow gorge, the bottom of which appeared comparatively level and sand covered.
In the brief instant in which he must reach a decision, the safest plan seemed to attempt a landing in the gorge, and this he did, but not without considerable damage to the plane and a severe shaking-up for himself and his passenger.
Fortunately neither of them was injured but their condition seemed indeed a hopeless one. It was a grave question as to whether the man could repair his plane and continue the journey, and it seemed equally questionable as to their ability either to proceed on foot to the coast or retrace their way to the country they had just left. The man was confident that they could not hope to cross the desert country to the east in the face of thirst and hunger, while behind them in the valley of plenty lay almost equal danger in the form of carnivores and the warlike natives.
After the plane came to its sudden and disastrous stop, Smith-Oldwick turned quickly to see what the effect of the accident had been on the girl. He found her pale but smiling, and for several seconds the two sat looking at each other in silence.
"This is the end?" the girl asked.
The Englishman shook his head. "It is the end of the first leg, anyway," he replied.
"But you can't hope to make repairs here," she said dubiously.