"Without letting her suspect my reason for making the inquiries, I
learnt that on that last night at Low Fennel, feeling dreadfully lonely
and frightened, she determined to run along to the new wing--which
seemed a safer place--and to wait in your room until you came up. She
fell asleep, and...."
"Addison ... can a mere 'vapour' produce such...."
"You mean, is the vapour directed or animated, by some discarnate, evil
intelligence? My dear Major, you are taking us back to the theory of
Elemental spirits, and I blankly refuse to follow you!"