"Let them go on in front. I want to talk to you, Dr. Conrad." Rosalind, perhaps, thinks his attention won't wander if she takes a firm tone; doesn't feel sure about it, otherwise. Maybe Sally is too definitely in possession of the citadel to allow of an incursion from without. She continues: "I have something to tell you. Don't look frightened. It is nothing but what you have predicted yourself. My husband's memory is coming back. I don't know whether I ought to say I am afraid or I hope it is so...." "But are you sure it is so?" "Yes, listen! It has all happened since you and Sally left." And then she narrated to the doctor, whose preoccupation had entirely vanished, first the story of the recurrence, and Fenwick's description of it in full; and then the incident of the Baron at Sonnenberg, but less in detail. Then she went on, walking slower, not to reach the house too soon. "Now, this is the thing that makes me so sure it is recollection: just now, as we were coming to the jetty, he asked me suddenly what was the Baron's name. I gave a wrong version of it, and he corrected me." This does not meet an assent. "That was nothing. He had heard it at Sonnenberg. I think much more of the story itself; the incident of the wheel and so on. Are you quite sure you never repeated this German gentleman's story to Mr. Fenwick?" "Quite sure." "H'm...!" "So, you see, I want you to help me to think." "May I talk to him about it?--speak openly to him?" "Yes; to-morrow, not to-day. I want to hear what he says to-night. He always talks a great deal when we're alone at the end of the day. He will do so this time. But I want you to tell me about an idea I have." "What idea?" "Did Sally tell you about the galvanic battery on the pier?" Dr. Conrad stopped in his walk, and faced round towards his companion. He shook out a low whistle--an _arpeggio_ down. "Did she tell you?" repeated Rosalind. "Miss Sa...." "Come, come, doctor! Don't be ridiculous. Say Sally!" The young man's heart gave a responsive little jump, and then said to itself, "But perhaps I'm only a family friend!" and climbed down. However, on either count, "Sally" was nicer than "Miss Sally." "Sally told me about the electric entertainment at the pier-end. I'm sorry I missed it. But if _that's_ what's done it, Fenwick must try it again." "_Mustn't_ try it again?" "No--_must_ try it again. Why, do you think it bad for him to remember?" "I don't know what to think." "My notion is that a man has a right to his own mind. Anyhow, one has no right to keep him out of it." "Oh no; besides, Gerry isn't out of it in this case. Not out of his mind...." "I didn't mean that way. I meant excluded from participation in himself ... you see?" "Oh yes, I quite understand. Now listen, doctor. I want you to do me a kindness. Say nothing, even to Sally, till I tell you. Say _nothing_!"