"How absurd! To fall in love like that with a woman old enough to be his mother!"

The Prince started on hearing this, looking fixedly at his companion. No; the Professor had discovered nothing. He was laughing at his own reflections, without any indirect insinuations. No one but Lubimoff himself could possibly know Alicia's real secret.

They walked back and forth several times between the cannon and the trees. Suddenly, the bells of the churches and convents in Monaco, began to ring, answering, through the luminous atmosphere, those of the Monte Carlo frontier.

Twelve o'clock! Novoa became restless. He was a man of fixed habits, and besides, the Monaco people at whose house he was living were absolutely punctual in their meal hours. To think that there was not a restaurant in Monaco, where for once he could be extravagant and invite the Prince! The latter proposed that he accompany him to the far-off Villa Sirena to lunch together. It was so pleasant to be in his company! He gave him such interesting news!

"Impossible!" the Professor hastened to say. "I must see some one in Monte Carlo as soon as I finish my lunch. They will wait for me."

And the Prince did not insist, guessing that the person referred to was Valeria.

A single carriage had taken refuge in the pale shade of the trees. It had remained there after bringing some tourists who, on coming out of the Museum, preferred to return on foot by the ancient path along the fortifications.

Michael got into it, and drove to Villa Sirena.

The rest of the day and a great part of the night passed very pleasantly for him. He was going over and over in his memory the news he had just heard. It had not been a bad day. He scarcely remembered Castro. Castro was in Paris; that was the one thing certain. On the other hand, the misfortune of Martinez made him hum gaily to himself, and this unusual good humor quite deceived the Colonel.

"All I say is, Your Highness ought to go out, and see people. I was sure that to-day's walk would do you a world of good."