and reaching down, severed the thongs that bound her ankles. Then the girl unsnapped the strap that held her to her seat. With one hand Tarzan grasped the girl's arm and steadied her as the two crawled slowly across the few feet which intervened between the two seats. A single slight tip of the plane would have cast them both into eternity. Tarzan realized that only through a miracle of chance could they reach Usanga and effect the change in pilots and yet he knew that that chance must be taken, for in the brief moments since he had first seen the plane, he had realized that the black was almost without experience as a pilot and that death surely awaited them in any event should the black sergeant remain at the control.
The first intimation Usanga had that all was not well with him was when the girl slipped suddenly to his side and grasped the control and at the same instant steel-like fingers seized his throat. A brown hand shot down with a keen blade and severed the strap about his waist and giant muscles lifted him bodily from his seat. Usanga clawed the air and shrieked but he was helpless as a babe. Far below the watchers in the meadow could see the aeroplane careening in the sky, for with the change of control it had taken a sudden dive. They saw it right itself and turning in a short circle return in their direction, but it was so far above them and the light of the sun so strong that they could see nothing of what was going on within the fuselage; but presently Lieutenant Smith-Oldwick gave a gasp of dismay
