All was darkness and silence. Raoul heard only the sound of his own breathing. He quite failed to see that the indiscretion of his conduct was exceeding all bounds.

“You shan’t leave this until I let you!” he exclaimed. “If you don’t answer, you are a coward! But I’ll expose you!”

And he struck a match. The blaze lit up the room. There was no one in the room! Raoul, first turning the key in the door, lit the gas-jets. He went into the dressing-closet, opened the cupboards, hunted about, felt the walls with his moist hands. Nothing!

“Look here!” he said, aloud. “Am I going mad?”