Mr.Sabin lit a cigarette and looked for a moment carefully into the small liqueur glass out of which he had drunk.
"That was unwise," he said softly to himself.

"Just such a blunder might have cost me everything." He held it up to the light and satisfied himself that no dregs remained.
Then he took from his pocket a tiny little revolver, and placing it on the table before him, covered it with his handkerchief.

Almost immediately a door at the farther end of the room opened and closed.
A man in dark clothes, small, unnaturally pale, with deep-set eyes and nervous, twitching mouth, stood before him.

Mr.Sabin smiled a welcome at him.
"Good-morning, Emil Sachs," he said.

"I am glad that you have shown discretion.