"Humour her," he said, and quoted a line from a comedy. "What is the use of a friend if you can't make a stranger of him?"

I followed Fanny into the passage.

"You've quite made up your mind, sir?"

"Quite, Fanny."

"Take this, sir," she said, pushing a hard substance into my hands. "If anything happens in the night, spring it."

It was a policeman's rattle.

"I don't know where Lemon got it from," she said, "but we've had it in the house for years."

"Pshaw, Fanny!" I said, forcing the rattle back into her hands. "You are too ridiculous!"

Yet when I was once again face to face with Devlin, with the door locked, I could not help thinking that I was acting a perilous part in putting myself, as it were, into his power. He might kill me while I slept. I determined to keep awake, and to lie down in my clothes.

"Have some tea?" he asked.