For that visitor was neither Italian nor policeman. Looming hideously against the spectral moon was a gigantic misshapen thing not to be imagined save in nightmares—a glassy-eyed, ink-black apparition nearly on all fours, covered with bits of mould, leaves, and vines, foul with caked blood, and having between its glistening teeth a snow-white, terrible, cylindrical object terminating in a tiny hand.