"Pause a moment before you open it. When did you read it last?"
"Yesterday, and put it in my pocket-book to bring here to-night."
"If my memory does not play me false, the date was the 18th of September, 1897. I did not approve of the document you asked me to sign, and you wrote another at this table, worded somewhat differently. One hundred and eighty-three days have elapsed since then. I am curious to see if I timed it correctly. Open the paper."
Dr. Vinsen unfolded it, and started in amazement. The paper was blank, nothing appearing on it but the red Government stamp.
"It was a vulgar trick," said Dr. Pye. "You wrote and I signed, not in ink which gradually fades, but which suddenly disappears at an appointed hour. Content yourself, my worthy friend, and thank me for saving you from a danger which would have sent you to the hulks. Had you attempted to dispose of these gems to a dealer in any European city you would have been immediately arrested. They have been bought with blood, and there is not a police court that has not a list of them. Priceless treasures! Here are vases, medallions, and bronzes of Benvenuto Cellini, for which collectors would give thousands of guineas, and every one known throughout the civilised world. That wondrous artificer saw visions, as I do, and his progress was marked with blood, as mine has been. Content yourself, I say; when I make my fortune you shall be paid, and if we discover the jewels to-night you shall have the lion's share. Now, follow me, if you have the courage."
* * * * *
Noiseless footsteps on the dark stairs, noiseless footsteps in the passages--the footsteps of men in their stocking feet. They reach the landing on which Samuel Boyd's bedroom and office are situated.
The storm rages without, tearing through the Square with fierce, shrieking moans and cries, like a forest of wild beasts in pain. There is a leak in the roof of the house, and the men within it, when there is a lull, hear the raindrops falling, pat, pat, pat. One of the men shudders at a terrifying thought, born of the memory of a night when a murder was committed there. If a human being were on the roof, stabbed to the heart, so might his life's blood drip through the aperture. In the terrified man's fancy he sees the red stains on the floor, sees them spread through the air, though nothing is visible in his actual sight. A muffled cry escapes him.
"Hush!" From the other man. "Do not raise your voice above a whisper."
"Why not?" From the trembling man. "There is no one here but ourselves."