"If there is a choice, let us begin in the lower regions," answered Ghisleri. "Do you like me a little, Donna Adele?" he asked, as she led the way along the curved and smoothly paved descent which led downwards to the subterranean part of the fortress.

She laughed lightly, and glanced at him. She had always wished to make a conquest of Pietro Ghisleri, but she had found few opportunities of being alone with him, for he had never been among the assiduous at her shrine. She knew also how much he admired Laura Arden, and she suspected him of being incipiently in love. It would be delightful to detach him from that allegiance.

"Yes," she said, "I like you a little. Did you expect me to like you very much? You have never done anything to deserve it."

"I wish I could," answered Ghisleri, with complete insincerity. "But I am afraid I should never get so far as that."

"Why not?"

"When a woman loves her husband—" He did not finish the sentence, for it seemed unnecessary.

"I do not want you to make love to me," Adele answered, "though I believe you know how to do it to perfection. It is often a very long way from liking very much to loving a very little. This is the place where old Gianluca kept his brother Paolo in prison for eighteen years. Then Gianluca died suddenly one fine morning, and Paolo was let out by the soldiers and immediately threw Gianluca's wife out of the window of the east tower, and cut off the heads of his two sons on the same afternoon. I will show you where that was done when we go up stairs. Paolo was an extremely energetic person."

"Decidedly so, I should say," assented Ghisleri. "You are all descended from him, I suppose."

"Yes, he took care that we should be, by killing all the other branches of the family. Those hollows in the stone are supposed to have been made by his footsteps. Think what a walk! It lasted eighteen years. But it is an airy place and not damp. Those windows were there then, they say. Do you see that deep channel in the wall? It leads straight up through the castle to the floor of the little passage between the old guard-room and one of the towers. There used to be a trap-door—it was still there when I was a little girl, but my father has had a slab of stone put down instead. They used to entice their dearest and most familiar enemies up there, and just as the man set foot on the board a soldier in the tower pulled a bolt in the wall and the trap-door fell. It is two hundred feet, they say. It was so cleverly managed! They say that the last person who came to grief there was a Monsignor Boccapaduli in the year sixteen hundred and something, but no one ever knew what had become of him until the next generation."

Familiar from her childhood with every corner of the vast building, she led Ghisleri through one portion after another, telling such of the tales of horror as she remembered. Little by little they worked their way to the upper regions. In the guard-room, a vast hall which would have made a good-sized church, she showed him the great slab of stone the Prince had substituted for the wooden trap-door of former days, and which had merely been placed over the yawning chasm without plaster or cement, its own weight being enough to keep it in position. They passed over it and ascended the stairs in the tower, emerging at last into the bright sunshine upon one of the highest battlements. They sat down side by side on a stone bench.