SHIPS THAT PASS
"Wait, Monsieur Thuran," said Miss Strong; "you must meet Mr. Caldwell. We are all fellow passengers, and should be acquainted."
The two men shook hands. As Tarzan looked into the eyes of Monsieur Thuran he was struck by the strange familiarity of their expression.
"I have had the honor of monsieur's acquaintance in the past, I am sure," said Tarzan, "though I cannot recall the circumstances."
Monsieur Thuran appeared ill at ease.
"I cannot say, monsieur," he replied. "It may be so. I have had that identical sensation myself when meeting a stranger."
"Monsieur Thuran has been explaining some of the mysteries of navigation to me," explained the girl.
Tarzan paid little heed to the conversation that ensued—he was attempting to recall where he had met Monsieur Thuran before. That it had been under peculiar circumstances he was positive. Presently the sun reached them, and the girl asked Monsieur Thuran to move her chair farther back into the shade. Tarzan happened to be watching the man at the time, and noticed the awkward manner in which he handled the chair—his left wrist was stiff. That clew was sufficient—a sudden train of associated ideas did the rest.
Monsieur Thuran had been trying to find an excuse to make a graceful departure. The lull in the conversation following the moving of their position gave him an opportunity to make his excuses. Bow-
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