‘You are wrong, brother,’ cried Eustasia, ‘you are quite wrong.’

‘What do you mean, Eustasia?’

‘I mean that Mr. Bradley is a medium himself, and a particular favourite with spirits of the first order.’

The Professor seemed to reflect.

‘Well, if that’s so (and you ought to know), it’s another matter. But he’ll have to promise not to break the conditions. It ain’t fair to the spirits; it ain’t fair to his fellow-inquirers.’

One by one the company departed, but Bradley still lingered, as if he had something still to hear or say. At last, when the last visitor had gone, and the landlady had grimly stalked away to continue her duties in the basement of the house, he found himself alone with the brother and sister.

He stood hesitating, hat in hand.

‘May I ask you a few questions?’ he said, addressing Eustasia.

‘Why, certainly,’ she replied.

‘While you were in the state of trance did you see or hear anything that took place in this room?’’