The sweat stood out in great drops on Heyton's face; he tried to meet the detective's eye with an insolent, indignant stare; but his eyes wavered and fell and he sank into a chair.

"I—I don't know what you mean?" he stammered thickly.

"But you will go?" inquired Mr. Jacobs. "In fact, I am sure you will."

Cur as he was, Heyton made a last stand; he threw up his head, swore a vile oath and struck the table.

"I'm hanged if I do!" he said.

"You'll be hanged, if you don't, my lord!" said Mr. Jacobs. Then, after a pause, he said, with a shrug of the shoulders, "I thought you'd have been sensible, that you'd have taken my tip without forcing me into particulars; but if you must have them—well, Lord Heyton, if you are here to-morrow morning, I shall arrest you for the robbery of the jewels and the attempted murder of Lord Sutcombe."

Heyton sprang to his feet; then sank back again with a hoarse attempt at a laugh.

"You must be a fool!"

"Well, one of us is a fool, but it's not me, my lord," said Mr. Jacobs, imperturbably. "I knew the truth ten minutes after I had examined the dressing-room. You see, the burglar who understands his business works in kid gloves; they leave no finger-prints. There were prints on the door of the safe, inside, on the poker—oh, well, everywhere; because, you see, when a man's engaged in this kind of work, he's naturally nervous, his hands are sweaty. And these finger-prints were those of a gentleman's hands. Do you want me to go on, Lord Heyton?"

Heyton could not speak; his tongue seemed to cleave to the roof of his mouth; he felt as if his spine were giving way, as if all his strength of mind and body were ebbing from him.