"Can you prove that?" he asked coldly.
"Why should I prove it, Mr. Markham?" she asked, "My word should be sufficient, I think."
The even tones of her voice and the repetition of his name inflamed him. There was little doubt of her apostasy. He turned toward her with a change of manner, his eyes dark.
"Perhaps you'll be obliged to prove it," he muttered.
"I? Why?"
He looked her straight in the eyes.
"Monsieur de Folligny is with Olga Tcherny—her in New York."
The plume on her hat nodded back, and her eyes widely opened gave him a momentary glimpse of her terror.
"De Folligny is here—with Olga!"
"Yes. I've just learned it—to-day."