Then I heard the dragging movement above, and what with alarm and my insecure position, I suddenly overbalanced, chair and all.  My head must have struck on the corner of the table, for I was dazed for a few moments.  The candle had gone out, of course.  I felt for the chair, righted it, and sat down.  I was dizzy and I was frightened.  I was afraid to move, lest the dragging thing above come down and creep over me in the darkness and smother me.

And sitting there, I remembered the very things I most wished to forget—­the black curtain behind Miss Jeremy, the things flung by unseen hands into the room, the way my watch had slid over the table and fallen to the floor.

Since that time I know there is a madness of courage, born of terror.  Nothing could be more intolerable than to sit there and wait.  It is the same insanity that drove men out of the trenches to the charge and almost certain death, rather than to sit and wait for what might come.

In a way, I daresay I charged the upper floor of the house.  Recalling the situation from this safe lapse of time, I think that I was in a condition close to frenzy.  I know that it did not occur to me to leap down the staircase and escape, and I believe now this was due to a conviction that I was dealing with the supernatural, and that on no account did I dare to turn my back on it.  All children and some adults, I am sure, have known this feeling.

Whatever drove me, I know that, candle in hand, and hardly sane, I ran up the staircase, and into the room overhead.  It was empty.

As suddenly as my sanity had gone, it returned to me.  The sight of two small beds, side by side, a tiny dressing-table, a row of toys on the mantelpiece, was calming.  Here was the children’s night nursery, a white and placid room which could house nothing hideous.

I was humiliated and ashamed.  I, Horace Johnson, a man of dignity and reputation, even in a small way, a successful after-dinner speaker, numbering fifty-odd years of logical living to my credit, had been running half-maddened toward a mythical danger from which I had been afraid to run away!

I sat down and mopped my face with my pocket handkerchief.

After a time I got up, and going to a window looked down at the quiet world below.  The fog was lifting.  Automobiles were making cautious progress along the slippery street.  A woman with a basket had stopped under the street light and was rearranging her parcels.  The clock of the city hall, visible over the opposite roofs, marked only twenty minutes to nine.  It was still early evening—­not even midnight, the magic hour of the night.

Somehow that fact reassured me, and I was able to take stock of my surroundings.  I realized, for instance, that I stood in the room over Arthur’s dressing room, and that it was into the ceiling under me that the second—­or probably the first—­bullet had penetrated.  I know, as it happens, very little of firearms, but I did realize that a shot from a .45 Colt automatic would have considerable penetrative power.  To be exact, that the bullet had probably either lodged itself in a joist, or had penetrated through the flooring and might be somewhere over my head.