The dance proceeded. It was like many others of its sort, only a little more daring, a little more finished. Mademoiselle Celaire, in her tight-fitting, shabby black frock, with her wild mass of hair, her flashing eyes, her seductive gestures, was, without doubt, a marvellous person. The Baron watched her every movement with absorbed attention. Even when the curtain went down he forgot to clap. His eyes followed her off the stage. Violet shrugged her shoulders. She was looking very handsome herself in a black velvet dinner gown, and a hat so exceedingly Parisian that no one had had the heart to ask her to remove it.

"My dear Peter," she remarked, reprovingly, "a moderate amount of admiration for that very agile young lady I might, perhaps, be inclined to tolerate, but, having watched you for the last quarter of an hour, I am bound to confess that I am becoming jealous."

"Of Mademoiselle Celaire?" he asked.

"Of Mademoiselle Sophie Celaire."

He leaned a little towards her. His lips were parted; he was about to make a statement or a confession. Just then a tall commissionaire leaned over from behind and touched him on the shoulder.

"For Monsieur le Baron de Grost," he announced, handing Peter a note.

Peter glanced towards his wife.

"You permit me?" he murmured, breaking the seal.

Violet shrugged her shoulders ever so slightly. Her husband was already absorbed in the few lines hastily scrawled across the sheet of notepaper which he held in his hand: