"Professor Elmore wouldn't be so mean; and if he would, I shouldn't." She was frightened, but she felt her spirit rising, too. "You seem to know so well who I am: do you think it is fair for you to keep me in ignorance?"

"I cannot remain masked without your leave. Shall I unmask? Do you insist?"

"Oh, no," she replied. "You will have to unmask at supper, and then I shall see you. I'm not impatient. I prefer to keep you for a mystery."

"You will be a mystery to me even when you unmask," replied the mask gravely.

Lily was ill at ease, and she gave a little, unsuccessful laugh. "You seem to take the mystery very coolly," she said in default of anything else.

"I have studied the American manner," replied the mask. "In America they take everything coolly: life and death, love and hate—all things."

"How do you know that? You have never been in America."

"That is not necessary, if the Americans come here to show us."

"They are not true Americans, if they show you that," cried the girl.

"No?"