Always impassive, she did not answer. But her suffering became keener and keener. The terrible moment drew near.

He still held the envelope and the letter of the Marquis in his hand. From his pocket he drew a lighter and lit it to read the instructions once more.

"Admirable!" he murmured almost purring with satisfaction. "A first-class idea!... As well search at the bottom of hell. Ah, that Marquis! What a man!"

He twisted the paper into a long spill and put its end in the flame. The paper caught fire. At its flame he lit a cigarette with an affectation of nonchalance, and turning toward the prisoners, he waited, with hand outstretched, till there remained of the document only a little ash which was scattered by the breath of the breeze.

"Look Webster, look Errington and Dario. This is all you'll ever see of the secret of your ancestor ... a little ash.... It's gone. Confess that you haven't been very smart. You are three stout fellows and you haven't been able either to keep the treasure which was waiting for you, nor to defend the pretty cousin whom you admired, open-mouthed. Hang it! There were six of us in the little room in the tower; and it would have been enough for one of you to grip hold of my collar.... I was damned uncomfortable. Instead of that, what a cropper you came. All the worse for you ... and all the worse for her!"

He showed them his revolver.

"I shan't need to use this. What?" he said. "You must have noticed that at the slightest movement the cords grow tighter round your throats. If you insist ... it's strangulation pure and simple. A word to the wise. Now, cousin Dorothy, I'm at your service. Follow me. We're going to perform the impossible in our attempt to come to an understanding."

All resistance was futile. She went with him to the other side of the tower across an accumulation of ruins, to a chamber of which there only remained the walls, pierced with loop-holes, which he said was the ancient guardroom.

"We shall be able to talk comfortably here. Your suitors will be able neither to see nor hear us. The solitude is absolute. Look here's a grassy bank. Please sit down."

She crossed her arms and remained standing, her head straight. He waited, murmured: "As you like"; then, taking the seat he had offered her, he said: