The Girl in the Golden Atom

theories. What I saw through that ultramicroscope was not an unproven theory, but a fact. My theories you have brought out by your questions."

"You are quite right," said the Doctor; "but you did mention yourself that you hoped to provide proof."

The Chemist hesitated a moment, then made his decision. "I will tell you the rest," he said.

"After the destruction of the microscope, I was quite at a loss how to proceed. I thought about the problem for many weeks. Finally I decided to work along another altogether different line--a theory about which I am surprised you have not already questioned me."

He paused, but no one spoke.

"I am hardly ready with proof to-night," he resumed after a moment. "Will you all take dinner with me here at the club one week from to-night?" He read affirmation in the glance of each.

"Good. That's settled," he said, rising. "At seven, then."

"But what was the theory you expected us to question you about?" asked the Very Young Man.