I breathed a sigh of relief. I fancied that I began to understand.

"Many people believe that their dead watch over them," I said.

"Oh, Mr. Magnus isn't watching over me," said my companion quickly. "There is a certain thing he desires me to do. Once that is done, I don't believe he will bother me any more. I left his note with you this morning. Did you bring it with you?"

"Yes," I said, and got it out of my pocket and handed it to her. "But really, Mrs. Magnus," I continued, "you don't mean to tell me seriously that you saw him write this?"

"I certainly did. He wrote it under my eyes, sitting at that desk three nights ago."

Again I looked at her to see if she was speaking seriously.

"I see you do not believe me," she added.

"Pardon me, Mrs. Magnus," I corrected; "of course I believe you—that is, I believe that you believe. But I cannot but think you are being imposed upon in some way."

A flush of anger crept into her cheeks.

"Do you think I am a woman easily imposed upon?" she asked. "Let me tell you the story, Mr. Lester."