Van Helder shrugged his shoulders, and proceeded to light a new cigarette from the burning end of the old one.

"You must not kill—yet," he said, gazing at the end of his cigarette to see that it was well alight.

"What then?" demanded Mr. Naylor. His jowls had returned and the yellow of his teeth was visible between his slightly parted lips.

"Wait and watch," was the reply.

"And let him go North," sneered the other.

"If you kill, where are the plans? Do as you would," he continued indifferently. "There will be The Day for you, too. Now I go." He made a movement to rise; but Mr. Naylor motioned him back into his chair.

Two hours later Mr. Naylor himself let out his visitor. Closing the front door, he returned to his study, where for an hour he sat at his table gazing straight in front of him. Mr. Naylor was puzzled.

Conscious that he was being followed by a small man in a grey suit with shifty eyes, James Finlay made his way leisurely to the High Road where he took a 'bus bound for Piccadilly Circus.

CHAPTER VIII