the side of Alan's head which dizzied him but left him strength to strike again, and his knuckles reached the man's face once more, but he got another heavy blow in return. The man was grappling no longer; he swung Alan to one side and off of him, and rolled himself away. He scrambled to his feet and dashed out through the library, across the hall, and into the service room. Alan heard his feet clattering down the stairway to the floor beneath. Alan got to his feet; dizzied and not yet familiar with the house, he blundered against a wall and had to feel his way along it to the service room; as he slipped and stumbled down the stairway, a door closed loudly at the end of the corridor he had seen at the foot of the stairs. He ran along the corridor to the door; it had closed with a spring lock, and seconds passed while he felt in the dark for the catch; he found it and tore the door open, and came out suddenly into the cold air of the night in a paved passageway beside the house which led in one direction to the street and in the other to a gate opening on the alley. He ran forward to the street and looked up and down, but found it empty; then he ran back to the alley. At the end of the alley, where it intersected the cross street, the figure of the man running away appeared suddenly out of the shadows, then disappeared; Alan, following as far as the street, could see nothing more of him; this street too was empty.
He ran a little farther and looked, then he went back to the house. The side door had swung shut again and latched. He felt in his pocket for his key and went around to the front door. The snow upon the steps had been swept away, probably by the servant who had come to the house earlier in the day with Constance
