"Foreign music hall artists! I told you so, though the girl looks an American. But, by gad! can't that humpbacked johnny sing!"

"Felix, how could you?" she managed to gasp at last.

"I'm sorry. I forgot we were not in Paris. But there are some here who appreciate good music. If you don't mind, I'll give them Béranger's 'Adieu to Mary Stuart.' You remember, it goes this way—"

Joan fled, making play with her handkerchief. The fast speeding train threw her from side to side of the corridor during a hurried transit; but the exquisite lines followed her clearly.

Felix sang like a robin till the mood exhausted itself. Then, deaf to enthusiastic plaudits and cries for "More!" he lit a long thin cigar and smoked furiously. Passing Joan's berth later, he knocked.

"Who is it?" she asked.

"I, the Humming Bee."

"Leave me to-night, Felix. I must think."

"Better sleep. Thinking creates wrinkles. Look on me as a horrible example."

He went away, bassooning some lively melody, but grinning the while, and if his thoughts took shape they would run: