shutter, and tapped, at three equal intervals, with her bent finger.

“This is all very fine, dear Aramis,” murmured d’Artagnan. “Ah, Monsieur Hypocrite, I understand how you study theology.”

The three blows were scarcely struck, when the inside blind was opened and a light appeared through the panes of the outside shutter.

“Ah, ah!” said the listener, “not through doors, but through windows! Ah, this visit was expected. We shall see the windows open, and the lady enter by escalade. Very pretty!”

But to the great astonishment of d’Artagnan, the shutter remained closed. Still more, the light which had shone for an instant disappeared, and all was again in obscurity.