"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.
"Have I been talking ?" he said.

"I suppose I was delirious ?" The doctor made no answer for a moment; he was looking at him fixedly.
Then he roused himself.
"Well, yes, you have," he said.
Frank felt rather uncomfortable.
"Hope I haven't said anything I shouldn't." The old man laughed shortly and grimly.
"Oh, no," he said.

"Far from it.