At last she grew so uneasy about her friend that she felt she must do something!

Mine host of the Villa du Lac was kind and sympathetic, but even he could suggest no way of finding out where Anna had gone.

And then Sylvia suddenly bethought herself that there was one thing she could do which she had not done: she could surely go to the police of Lacville and ask them to make inquiries in Paris as to whether there had been an accident of which the victim in any way recalled Anna Wolsky.

To her surprise, M. Polperro shook his head very decidedly.

"Oh no, do not go to the police!" he said in an anxious tone. "No, no, I do not advise you to do that! Heaven knows I would do anything in reason to help you, Madame, to find your friend. But I beg of you not to ask me to go for you to the police!"

Sylvia was very much puzzled. Why should M. Polperro be so unwilling to seek the help of the law in so simple a matter as this?

"I will go myself," she said.

And just then—they were standing in the hall together—the Comte de Virieu came up.

"What is it you will do yourself, Madame?" he asked, smiling.

Sylvia turned to him eagerly.