He walked very slowly and circumspectly, and there was something indescribably guilty and furtive in his whole appearance.
I have told you that the corridor is broken by the balcony which runs round the hall, but that it is resumed upon the farther side.

I waited until he had passed out of sight and then I followed him.

When I came round the balcony he had reached the end of the farther corridor, and I could see from the glimmer of light through an open door that he had entered one of the rooms.

Now, all these rooms are unfurnished and unoccupied so that his expedition became more mysterious than ever.

The light shone steadily as if he were standing motionless.