"My rosary, please," said Frank. "It's a string of beads. I expect it's in my trouser-pocket."
The man looked at him with extraordinary earnestness and vanished.
Then the doctor appeared holding the rosary.
"Is this what you want?" he asked.
"That's it! Thanks very much."
"You're a Catholic?" went on the other, giving it him.
"Yes."
The doctor sat down again.
"I thought so," he said.
Frank wondered why. Then a thought crossed his mind.