wished her good-night. It gave Lucy the sensation of a fog, and when she reached her own room she opened the window and breathed the clean night air, thinking of the kind old man who had enabled her to see the lights dancing in the Arno and the cypresses of San Miniato, and the foot-hills of the Apennines, black against the rising moon.

Miss Bartlett, in her room, fastened the window-shutters and locked the door, and then made a tour of the apartment to see where the cupboards led, and whether there were any oubliettes or secret entrances. It was then that she saw, pinned up over the washstand, a sheet of paper on which was scrawled an enormous note of interrogation. Nothing more.

“What does it mean?” she thought, and she examined it carefully by the light of a candle.