The duke was silent for a moment. Then with funereal gravity he turned to Mr. Dacre. He put to him this question:

"Ivor, what are you laughing at?"

Mr. Dacre drew his hand across his mouth with rather a suspicious gesture.

"My dear fellow, only a smile!"

The duchess looked from one to the other.

"What have you two been doing? What is the joke?"

With an air of preternatural solemnity the duke took two letters from the breast pocket of his coat.

"Mabel, you have already seen your letter. You have already seen the lock of your hair. Just look at this—and that."

He gave her the two very singular communications which had arrived in such a mysterious manner, and so quickly one after the other. She read them with wide-open eyes.

"Hereward! Wherever did these come from?"