"Well, you never know. Best to be on the safe side. It's not quite like one of her usual attacks. She's been upset. She actually went downstairs."

"I thought I heard somebody. Did you hear her, then?"

"No, she rang for me afterwards. There's a little electric bell over my bed, from her room."

"And I heard that too," said Louis.

"Will you ask Dr. Yardley to come at once?"

"I'm off," said he. "What a good thing I wasn't in bed!"

"What a good thing you're here at all!" Rachel murmured, suddenly smiling.

He was waiting anxiously for her to leave the room again. But instead of leaving it she came to the fireplace and looked behind the screen. He trembled.

"Oh! That kettle is there! I thought it must be!" And picked it up.

Then, with the kettle in one hand, she went to a large cupboard let into the wall opposite the door, and opened it.