believe in the mystery of the dog, at least you can't get over the mystery of the man. You can't deny that at the very moment when the beast came back from the sea and bellowed, his master's soul was driven out of his body by the blow of some unseen power that no mortal man can trace or even imagine. And as for the lawyer, I don't go only by the dog; there are other curious details too. He struck me as a smooth, smiling, equivocal sort of person; and one of his tricks seemed like a sort of hint. You know the doctor and the police were on the spot very quickly; Valentine was brought back when walking away from the house, and he telephoned instantly. That, with the secluded house, small numbers, and enclosed space, made it pretty possible to search everybody who could have been near; and everybody was thoroughly searched—for a weapon. The whole house, garden, and shore were combed for a weapon. The disappearance of the dagger is almost as crazy as the disappearance of the man."
"The disappearance of the dagger," said Father Brown, nodding. He seemed to have become suddenly attentive.
"Well," continued Fiennes, "I told you that man Traill had a trick of fidgeting with his tie and tie-pin—especially his tie-pin. His pin, like himself, was at once showy and old-fashioned. It had one of those stones with concentric coloured
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