This was deeper than I could follow; but in order not to appear stupid, I murmured sympathetically, “And does she make him unhappy when she comes?”

“She is killing him—and me. I believe that is why she does it.”

“Are you sure that she could stay away? When he thinks of her isn’t she obliged to come back?”

“Oh, I’ve asked that question over and over! In spite of his calling her so unconsciously, I believe she comes of her own will. I have always the feeling—it has never left me for an instant—that she could appear differently if she would. I have studied her for years until I know her like a book, and though she is only an apparition, I am perfectly positive that she wills evil to us both. Don’t you think he would change that if he could? Don’t you think he would make her kind instead of vindictive if he had the power?”

“But if he could remember her as loving and tender?”

“I don’t know. I give it up—but it is killing me.”

It was killing her. As the days passed I began to realize that she had spoken the truth. I watched her bloom fade slowly and her lovely features grow pinched and thin like the features of a starved person. The harder she fought the apparition, the more I saw that the battle was a losing one, and that she was only wasting her strength. So impalpable yet so pervasive was the enemy that it was like fighting a poisonous odour. There was nothing to wrestle with, and yet there was everything. The struggle was wearing her out—was, as she had said, actually “killing her”; but the physician who dosed her daily with drugs—there was need now of a physician—had not the faintest idea of the malady he was treating. In those dreadful days I think that even Mr. Vanderbridge hadn’t a suspicion of the truth. The past was with him so constantly—he was so steeped in the memories of it—that the present was scarcely more than a dream to him. It was, you see, a reversal of the natural order of things; the thought had become more vivid to his perceptions than any object. The phantom had been victorious so far, and he was like a man recovering from the effects of a narcotic. He was only half awake, only half alive to the events through which he lived and the people who surrounded him. Oh, I realize that I am telling my story badly!—that I am slurring over the significant interludes! My mind has dealt so long with external details that I have almost forgotten the words that express invisible things. Though the phantom in the house was more real to me than the bread I ate or the floor on which I trod, I can give you no impression of the atmosphere in which we lived day after day—of the suspense, of the dread of something we could not define, of the brooding horror that seemed to lurk in the shadows of the firelight, of the feeling always, day and night, that some unseen person was watching us. How Mrs. Vanderbridge stood it without losing her mind, I have never known; and even now I am not sure that she could have kept her reason if the end had not come when it did. That I accidentally brought it about is one of the things in my life I am most thankful to remember.

It was an afternoon in late winter, and I had just come up from luncheon, when Mrs. Vanderbridge asked me to empty an old desk in one of the upstairs rooms. “I am sending all the furniture in that room away,” she said; “it was bought in a bad period, and I want to clear it out and make room for the lovely things we picked up in Italy. There is nothing in the desk worth saving except some old letters from Mr. Vanderbridge’s mother before her marriage.”

I was glad that she could think of anything so practical as furniture, and it was with relief that I followed her into the dim, rather musty room over the library, where the windows were all tightly closed. Years ago, Hopkins had once told me, the first Mrs. Vanderbridge had used this room for a while, and after her death her husband had been in the habit of shutting himself up alone here in the evenings. This, I inferred, was the secret reason why my employer was sending the furniture away. She had resolved to clear the house of every association with the past.

For a few minutes we sorted the letters in the drawers of the desk, and then, as I expected, Mrs. Vanderbridge became suddenly bored by the task she had undertaken. She was subject to these nervous reactions, and I was prepared for them even when they seized her so spasmodically. I remember that she was in the very act of glancing over an old letter when she rose impatiently, tossed it into the fire unread, and picked up a magazine she had thrown down on a chair.