exultation which comes when instinct as much as specific observation assures me that the tide has turned, that the arrow of fate has swung about, and the odds have changed. Strange as it may seem to many persons, these turns are felt by the doctor at times when the patient is wholly unconscious of them, and often enough I have wondered if, after all, this does not show that the crises of life are not determined within ourselves, but by some watching eye and mind and hand outside of us. As I bent over the little Virginia some such reflection was in my mind.

Then you can imagine, perhaps, how startling, how much an answer to my unspoken question, was the sound which at that very moment came from the blue wall beyond the bed!

How can we analyze our sense of hearing? Do you know the sound of your wife’s footsteps? When you were young, could you pick out the approach of your father by the sound of his walk? Yes. But can you tell how? Are you able to say what it is that distinguishes it from the sounds a hundred other men would make going by your closed door? No. And neither can I tell you why I recognized this sound.

All that I can say is this,—the wall was opaque, the sound so faint as to be hardly heard, and yet I knew, as well as if the partition had been of plate glass, that the impact was that of a human body!...

There was something in this sound on the wall which drew an involuntary exclamation from me as the jar of forceps draws a tooth. And the sound of my voice, sharp and explosive, woke the child.

She stared up at me with that strange look of infinity—I must so describe it—infinity; then, as if she too had heard, she turned toward the wall.

“What do you see?” I asked near her ear.

She gave me one of her tender smiles and made a little gesture as if to say that she felt her inability to express something.

“It is there?” I asked, indicating the blank wall at last.

Her eyes sought that space of mysterious blue. Then she whispered, “Yes.”

I must say that, though I knew no more than I had at first, I derived some satisfaction from the mere fact that for the second time Virginia had confirmed the extraordinary belief or fancy which had possessed prosaic MacMechem, the unimaginative Miss Peters, and, finally, myself. It seemed to justify positive steps in an investigation; after a further examination of the little body on the bed which offered still better evidence of an improvement in the course of the malady, I left the Marburys’ door, determined to settle the question once and for all.

It may strike you as absurd that I did not accept the possibility that Virginia was suffering from delirium. I confess that, after I had closed the house door behind me, I was for the moment convinced of the connection between congestion at the base of the brain and the abnormal fancy of the child. I had come to the house on foot, no vehicle was waiting for me, and I remember that when I started off I turned in the direction leading away from the Estabrooks’ door.

The day had promised a much-needed rain; now the coming night threatened one of those angry tempests of the autumn. It was already dark and the street was deserted as if every one had hurried to find cover. The lighted windows suggested warmth and protection; but outside the dust and flying, rustling leaves, the dancing shadows on the pavements, the wail of the wind, the tossing treetops in the park, the musty odor of the death of the year all bore down upon the spirit and awoke that superstitious uneasiness which we inherit, I suppose, from ancestors who fled the storm to find shelter for their naked bodies in caves and hollow trees.

This wild and funereal scene and the proximity to the spot where poor MacMechem met his end brought him back into my memory, and again I found myself wondering, as he had wondered, and then I remembered the low cry I had heard issue from the window.

One feels at times that determination comes from without. You can almost imagine, then, that some part of your own self which exists outside your body has tapped you on the shoulder, spoken a command, and directed your action. Certainly I cannot remember why I turned around, nor can I recall why I went back toward the Estabrooks’. I do remember that it occurred to me that, if I should see the young lawyer or his wife, all that I asked of them about the other side of the blue wall would probably incline them to the belief that I was as mad as any hare of March. But even that thought did not retard my steps.

If I hesitated at the point where I again reached the Marburys’, it was for good cause, for what I saw gave me no little uneasiness. Out of the shadow of the Estabrooks’ entrance, where a high iron grilled fence curves toward the steps, there came, as if it were some wild and furtive animal startled from its shelter, a moving figure!...

I endeavor to speak with accuracy.... It was dark. Everything seemed to sway in the galloping wind—the trees, the shrubs, the magnetic arc lights and even the luxurious iron and stone inclosures before the line of houses. Furthermore the dust was blinding. In spite of all this, in spite of the fact that the vision was fleeting, I received the definite impression that this figure sought to escape unseen. It hurried away into the darkness, hugged the shadows, and took up a position in a place that would have been chosen by one who wished to observe secretly what I was about to do.

“Bah!” said I to myself. “Some loiterer. He cannot be connected with the Estabrooks’ affairs.”

Yet, for some reason, feeling that I was watched, I determined to walk away again, and as I went I looked along the ground in the manner of one who has lost something. The cross-street was near and I turned it. I thought after a moment or two of waiting under the wall of the corner residence that I heard receding footbeats on the pavement; therefore, having allowed a minute or two to pass, I retraced my steps. The figure was no longer anywhere in sight. Holding my hat so that the ugly gusts of cold wind would not blow it away, I walked up the white steps of the Estabrook home and pressed the electric button which projected from a bronze disk. This disk, so the sense of touch indicated, had at one time been one of those Chinese carved metal mirrors and was now set into the stone. I remember how it spoke to me of the extents to which the metropolitan architects and decorators will go to appeal to the whims and pretensions of the rich, who, after all, are out of the same mould as other men so obscure and wretched that the money spent for such a capricious ornament would support a family of them for six months. Perhaps the irony of it is that, no matter how much wealth may protect one from the others, it can never protect one from himself. And then—I pressed the button again.

There were silk curtains within the long heavy glass panels on either side of the door, but had a light been lit within I could have seen it. The whole house, however, was dark, and only by chance did I catch the sly movement of one of the curtains and the glint of an eye, peeping out at me. Whoever its owner might be, he or she had crept across the tiled vestibule silently and was now behind the outer door conducting a covert investigation.

“An odd procedure for a house of a respectable, conservative family,” said I to myself, and without hesitating I rang again.

A light in the ceiling of the vestibule glowed forth immediately and