“Put into plain words, the matter is this,” said he. “In your opinion there is a diabolical agency which makes Dartmoor an unsafe abode for a Baskerville—that is your opinion?” “At least I might go the length of saying that there is some evidence that this may be so.” “Exactly. But surely, if your supernatural theory be correct, it could work the young man evil in London as easily as in Devonshire. A devil with merely local powers like a parish vestry would be too inconceivable a thing.” “You
