As it cleared away the young magician was seen to be standing as before. There was a smile on his face.

“I am much obliged to you for shooting me,” he said. “But what has become of the bullet?”

Thus speaking he bit into the apple.

“Hullo! what’s this? The bullet, I declare! Look!”

He was right; the bullet, with the mark still upon it, was embedded in the heart of the apple!

CHAPTER XVIII.—A WONDERFUL TRICK EXPLAINED.

“Wonderful!”

“That’s the best trick I’ve seen yet!”

“Really a remarkable performance,” said the old cavalry officer, who had done the firing. “How did you do it?”

To this question Carl, of course, made no reply. He was not in the habit of giving away his secrets.