Keys rusted in the locks of doors.

Damp started on the walls, and as the stains came out, the pictures seemed to go in and secrete themselves.

Mildew and mould began to lurk in closets.

Fungus trees grew in corners of the cellars.
Dust accumulated, nobody knew whence nor how; spiders, moths, and grubs were heard of every day.

An exploratory blackbeetle now and then was found immovable upon the stairs, or in an upper room, as wondering how he got there.