"John Gilder flashed the light. When he turned it off, the dummy was hauled down through the trap, and hidden in a place that neither you nor I found, Patsy."
Colonel Richmond seemed to be in a trance.
"But the mysterious force," he said, at last. "The injury to yourself and your assistant. How do you explain that?"
"It was done by John Gilder swinging a sand-bag on a string at the end of a pole which he poked through one of those panels.
"It couldn't be seen in that dim light, and it made a fearful weapon. It's a wonder that he didn't knock our heads off."
"I thought that I heard something whiz," muttered Patsy.
"And yet I heard her voice this morning," said the colonel. "She said 'consent.'"
"No, she didn't; I said it," rejoined Nick. "I'm something of a ventriloquist."
"How was the affair managed at the safe deposit vault?" asked the colonel, after a pause.
"Why, Horace took the clasp out of the box and put it into your pocket. You really saw it, only he made you think afterward that you didn't.