A glow shone in her eyes, and I thought how pretty she must have been before illness took the life and animation out of her features. “Then I know you’re good.” Her voice was so strained and low that I could barely hear it. “If you weren’t good you couldn’t have seen her.”

I thought this queer enough, but all I answered was, “She looked delicate to be sitting up so late.” A quiver passed over her thin features, and for a minute I thought she was going to burst into tears. As she had taken the medicine, I put the glass back on the candle-stand, and bending over the bed, smoothed the straight brown hair, which was as fine and soft as spun silk, back from her forehead. There was something about her—I don’t know what it was—that made you love her as soon as she looked at you.

“She always had that light and airy way, though she was never sick a day in her life,” she answered calmly after a pause. Then, groping for my hand, she whispered passionately, “You must not tell him—you must not tell any one that you have seen her!”

“I must not tell any one?” Again I had the impression that had come to me first in Doctor Maradick’s study, and afterwards with Miss Peterson on the staircase, that I was seeking a gleam of light in the midst of obscurity.

“Are you sure there isn’t any one listening—that there isn’t any one at the door?” she asked, pushing aside my arm and raising herself on the pillows.

“Quite, quite sure. They have put out the lights in the hall.”

“And you will not tell him? Promise me that you will not tell him.” The startled horror flashed from the vague wonder of her expression. “He doesn’t like her to come back, because he killed her.”

“Because he killed her!” Then it was that light burst on me in a blaze. So this was Mrs. Maradick’s hallucination! She believed that her child was dead—the little girl I had seen with my own eyes leaving her room; and she believed that her husband—the great surgeon we worshipped in the hospital—had murdered her. No wonder they veiled the dreadful obsession in mystery! No wonder that even Miss Peterson had not dared to drag the horrid thing out into the light! It was the kind of hallucination one simply couldn’t stand having to face.

“There is no use telling people things that nobody believes,” she resumed slowly, still holding my hand in a grasp that would have hurt me if her fingers had not been so fragile. “Nobody believes that he killed her. Nobody believes that she comes back every day to the house. Nobody believes—and yet you saw her—”

“Yes, I saw her—but why should your husband have killed her?” I spoke soothingly, as one would speak to a person who was quite mad. Yet she was not mad, I could have sworn this while I looked at her.