growled—not at the German spy but at himself for his weakness.
He did not see her again before she entered a plane and was borne away toward the east. He bid farewell to Smith-Oldwick and received again the oft-repeated thanks of the young Englishman. And then he saw him too borne aloft in the high circling plane and watched until the ship became a speck far above the eastern horizon to disappear at last high in air.
The Tommies, their packs and accouterments slung, were waiting the summons to continue their return march. Colonel Capell had, through a desire to personally observe the stretch of country between the camp of the advance detachment and the base, decided to march back with his troops. Now that all was in readiness for departure he turned to Tarzan. "I wish you would come back with us, Greystoke," he said, "and if my appeal carries no inducement possibly that of Smith-Oldwick and the young lady who just left us may. They asked me to urge you to return to civilization."
"No," said Tarzan, "I shall go my own way. Miss Kircher and Lieutenant Smith-Oldwick were only prompted by a sense of gratitude in considering my welfare."
"Miss Kircher?" exclaimed Capell and then he laughed. "You know her then as Bertha Kircher, the German spy?"
Tarzan looked at the other a moment in silence. It was beyond him to conceive that a British officer
