Before Hammond could reply there came a knock at the door.
Nick answered it.
"Come in, Gaspard," he said, throwing the door wide open.
"You sent for me, and—Good God! who is this?"
"You know him, then?"
"Yes, yes, I know him," cried Gaspard; "he is the man who was in room A last night."
CHAPTER V.
PATSY'S TIP.
Gaspard's declaration produced a stunning effect upon Hammond.