Jack Benson changed color somewhat. This sounded suspicious--a signal
in the woods. It was doubly suspicious after the hints that Mr. Graham
had given the young submarine captain.

"Do not jump--do not be afraid," laughed Mlle. Nadiboff, rather
maliciously. "Nothing in the way of danger threatens."

Almost immediately the chug-chug of another auto was heard, just ahead
up the narrow road. Then into sight glided a small runabout, which sat
M. Lemaire, all by himself. That Frenchman stopped his car, next waving
one hand gayly to those in the larger car.

Then, lifting his hat most courteously to the young woman, M. Lemaire
stepped over to the other car. The Russian woman spoke in some tongue,
the like of which Benson had never heard before. It was Arabic, a
language that both of these spies understood perfectly. What she
said was:

"The boy is yours. Do what you can with him. I admit that I have
failed. I have no hope of being able to do anything with him."

M. Lemaire's eyebrows contracted briefly, in a slight frown. Then,
forcing a pleasant look to his face, the Frenchman asked, in a tone
easy enough with courtesy:

"Captain Benson, will you step out and talk with me a few moments? I
have much to say."

"I can listen," nodded Jack, looking steadily, shrewdly into the eyes