should thus laconically speak of an enemy spy whom he had had within his power and permitted to escape. "Yes," he replied, "I knew that she was Bertha Kircher, the German spy."

"Is that all you knew?" asked Capell.

"That is all," said the ape-man.

"She is the Honorable Patricia Canby," said Capell; "one of the most valuable members of the British Intelligence Service attached to the East African forces. Her father and I served in India together and I have known her ever since she was born.

"Why here's a packet of papers she took from a German officer and has been carrying it through all her vicissitudes—single-minded in the performance of her duty. Look! I haven't yet had time to examine them but as you see here is a military sketch map, a bundle of reports, and the diary of one Hauptmann Fritz Schneider."

"The diary of Hauptmann Fritz Schneider!" repeated Tarzan in a constrained voice. "May I see it, Capell? He is the man who murdered Lady Greystoke."

The Englishman handed the little volume over to the other without a word. Tarzan ran through the pages quickly looking for a certain date—the date that the horror had been committed—and when he found it he read rapidly. Suddenly a gasp of incredulity burst from his lips. Capell looked at him questioningly.

"God!" exclaimed the ape-man. "Can this be