“Jove. A friend of yours?”

“A sort of friend,” answered Barnes.

He referred to his father. What had he got out of it? He was tied hand and foot in a gingerbread apartment house. His two million had never given him an hour like that by the trout-brook.

“I suppose,” suggested Carl, “it’s the spell that makes them stand it—a sort of mountain Lorelei.”

Barnes started.

“That wouldn’t make a bad theme for an opera,” mused Carl.

Barnes turned to him with renewed interest.

“Have you ever done anything in that line?” he asked.

A new light came into Langdon’s face at the question.

“Not yet.”