As we passed out he exchanged a few words with the landlord, explaining that we were going on a late visit to an acquaintance, and that it was possible that we might spend the night there. A moment later we were out on the dark road, a chill wind blowing in our faces, and one yellow light twinkling in front of us through the gloom to guide us on our sombre errand.

There was little difficulty in entering the grounds, for unrepaired breaches gaped in the old park wall. Making our way among the trees, we reached the lawn, crossed it, and were about to enter through the window when out from a clump of laurel bushes there darted what seemed to be a hideous and distorted child, who threw itself upon the grass with writhing limbs and then ran swiftly across the lawn into the darkness.

“My God!” I whispered; “did you see it?”

Holmes was for the moment as startled as I. His hand closed like a vise upon my wrist in his agitation. Then he broke into a low laugh and put his lips to my ear.

“It is a nice household,” he murmured. “That is the baboon.”

I had forgotten the strange pets which the doctor doctor affected. There was a cheetah, too; perhaps we might find it upon our shoulders at any moment. I confess that I felt easier in my mind when, after following Holmes’s example and slipping off my shoes, I found myself inside the bedroom. My companion noiselessly closed the shutters, moved the lamp onto the table, and cast his eyes round the room. All was as we had seen it in the daytime. Then creeping up to me and making a trumpet of his hand, he whispered into my ear again so gently that it was all that I could do to distinguish the words:

“The least sound would be fatal to our plans.”

I nodded to show that I had heard.

“We must sit without light. He would see it through the ventilator.”

I nodded again.

“Do not go asleep; your very life may depend upon it. Have your pistol ready in case we should need it. I will sit on the side of the bed, and you in that chair.”

I took out my revolver and laid it on the corner of the table.

Holmes had brought up a long thin cane, and this he placed upon the bed beside him. By it he laid the box of matches and the stump of a candle. Then he turned down the lamp, and we were left in darkness.

How shall I ever forget that dreadful vigil? I could not hear a sound, not even the drawing of a breath, and yet I knew that my companion sat open-eyed, within a few feet of me, in the same state of nervous tension in which I was myself. The shutters cut off the least ray of light, and we waited in absolute darkness. From outside came the occasional cry of a night-bird, and once at our very window a long drawn catlike whine, which told us that the cheetah was indeed at liberty. Far away we could hear the deep tones of the parish clock, which boomed out every quarter of an hour. How long they seemed, those quarters! Twelve struck, and one and two and three, and still we sat waiting silently for whatever might befall.

When they came to the corner, she held out her hand.

“Look!” she said. “Don’t come any further: don’t trouble.”

“I’ll walk round with you: unless you’d rather not.”

“No—But do you want to bother?”

“It’s no bother.”

So they pursued their way through the high wind, and turned at last into the old, beautiful square. It seemed dark and deserted, dark like a savage wilderness in the heart of London. The wind was roaring in the great bare trees of the centre, as if it were some wild dark grove deep in a forgotten land.

Josephine opened the gate of the square garden with her key, and let it slam to behind him.

“How wonderful the wind is!” she shrilled. “Shall we listen to it for a minute?”

She led him across the grass past the shrubs to the big tree in the centre. There she climbed up to a seat. He sat beside her. They sat in silence, looking at the darkness. Rain was blowing in the wind. They huddled against the big tree–trunk, for shelter, and watched the scene.

Beyond the tall shrubs and the high, heavy railings the wet street gleamed silently. The houses of the Square rose like a cliff on this inner dark sea, dimly lighted at occasional windows. Boughs swayed and sang. A taxi–cab swirled round a corner like a cat, and purred to a standstill. There was a light of an open hall door. But all far away, it seemed, unthinkably far away. Aaron sat still and watched. He was frightened, it all seemed so sinister, this dark, bristling heart of London. Wind boomed and tore like waves ripping a shingle beach. The two white lights of the taxi stared round and departed, leaving the coast at the foot of the cliffs deserted, faintly spilled with light from the high lamp. Beyond there, on the outer rim, a policeman passed solidly.

Josephine was weeping steadily all the time, but inaudibly. Occasionally she blew her nose and wiped her face. But he had not realized. She hardly realized herself. She sat near the strange man. He seemed so still and remote—so fascinating.

“Give me your hand,” she said to him, subduedly.

He took her cold hand in his warm, living grasp. She wept more bitterly. He noticed at last.

“Why are you crying?” he said.

“I don’t know,” she replied, rather matter–of–fact, through her tears.

So he let her cry, and said no more, but sat with her cold hand in his warm, easy clasp.

“You’ll think me a fool,” she said. “I don’t know why I cry.”

“You can cry for nothing, can’t you?” he said.

“Why, yes, but it’s not very sensible.”

He laughed shortly.

“Sensible!” he said.

“You are a strange man,” she said.

But he took no notice.

“Did you ever intend to marry Jim Bricknell?” he asked.

“Yes, of course.”

“I can’t imagine it,” he said.