Suddenly she paused, horrified at a sudden thought. How could she explain to these two, who knew nothing of her "affair" with Edward Percy—who did not dream that she had ever seen his face—her ability to recognize the picture Mrs. Ralston had shown her?

"And?" interrogated Olive.

Clarence Vaughan saw that there was a reason for her hesitation, and while wondering what it could be, came to her rescue. "And fainted, of course," said he. "Well, she is better now, and perhaps we shall hear the conclusion of the mystery all in good time."

If she had dared, Claire would have given him a glance of gratitude. As it was, she only averted her face and felt herself a great hypocrite.

Doctor Vaughan was to remain for lunch; and while he talked quietly with Olive, Claire sat considering what they would say if they knew all. Presently her reverie was interrupted by the entrance of a servant, who said:

"Mrs. Ralston wishes Miss Keith to come to her."

Claire started up, and without a word to either her lover or her sister, hurried into the presence of her friend.

Mrs. Ralston advanced to meet the girl as she entered the room, and laying a hand upon her shoulder, said: "I understood you to say that your sister knows nothing of your acquaintance with that man. Am I right?

"Yes."

"And you do not wish her to know?"