It did not take Carter long to reach the room where Perry Lamont lay.

He raised the man’s head and saw the dark spot made by the murderous paper weight; then he lowered it again to the floor.

He searched the room thoroughly, and found more than one thing which told him that it had been one of Claude Lamont’s nests.

At last he rejoined Clara in the other house.

“Now for the round-up,” said he.

The woman looked at him, but did not speak.

“You once asked me who killed Mother Flintstone,” said Nick.

“Yes.”

“I know.”

“Of course you do. You find out all these things. I never doubted that you would reach the end of this trail.”