My original sense of amusement was succeeded by a not unnatural irritation.
"My room has just GOT to be here," said I, and I stepped towards the door with outspread arms.

There was no door and no wall; in place of either there yawned before me a dark corridor, in which I continued to advance for some time without encountering the smallest opposition.

And this in a house whose extreme area scantily contained three small rooms, a narrow landing, and the stair! The thing was manifestly nonsense; and you will scarcely be surprised to learn that I now began to lose my temper.

At this juncture I perceived a filtering of light along the floor, stretched forth my hand which encountered the knob of a door-handle, and without further ceremony entered a room.

A young lady was within; she was going to bed, and her toilet was far advanced, or the other way about, if you prefer.
"I hope you will pardon this intrusion," said I; "but my room is No.