"That's what I thought," said John.

She rose quickly to her feet.

"If you want me to go, why don't you say so?"

He put his hands on her shoulders and seated her gently back again in the chair.

"But I don't want you to go," he replied. "I've got a lot of things I want to say to you."

"If you're going to talk evolution----" she began.

He laughed.

"It's something very like it," said he.

She gave a sigh of resignation, took out a packet of cigarettes, extracted one, lit it and inhaled the first breath deep--deep into her lungs.

"Well, go on," she said.