"'If it is a trick of the servants,' I answered, 'it should be exposed;' and when Helen offered to search through the lumber-room with me at once, I was very ready to agree to it. I was so satisfied of the reality of what I had seen, that I declared to Helen that the old woman, whoever she was, must be in the room; it stood to reason that, having gone in, she must still be there, as she could not possibly have come out again without our knowledge.
"So, plucking up our courage, we went to the lumber-room door. I felt so certain that but a moment before, some one had opened it, that I took hold of the knob quite confidently and turned it, just as one always does to open a door. The handle turned, but the door did not yield. I stooped down to see why; the reason was plain enough: the door wa
