This extremely simple event was to him an unforeseen catastrophe, at once troublesome and disagreeable.
Evidently they had just put the lamp out and were going to sleep.

It was reasonable enough at that hour, but he was irritated thereat, for now the darkened window ceased to interest him.

He watched it for a quarter of an hour longer and then grew tired and, leaving the doorway, took a turn upon the pavement.

Until five o'clock he walked to and fro, looking upward from time to time.

The window seemed a dead thing, and now and then he asked himself if he had not dreamed that shadows had been dancing up there behind the panes.