"Once more, silence! I forbid you . . ."

"As you please, old chap! All that I do is meant for your edification. And it's no trouble to me! Once I start working miracles, I simply can't stop. Here's another funny little trick. You carry a locket hanging from a silver chain round your shirt, don't you?"

"Yes," said Vorski, his eyes blazing with fever.

"The locket consists of a frame, without the photograph which used to be set in it."

"Yes, yes, a portrait of . . ."

"Of your mother, I know: and you lost it."

"Yes, I lost it last year."

"You mean you think you've lost the portrait."

"Nonsense, the locket is empty."

"You think the locket's empty. It's not. Look and see."