Boyd brought up a chair. “Sit down, Catherine,” he interrupted. “I’m going to tell you what Mr. Davidson has told us. And then I’m going to ask you a few questions.” “Which you may or may not answer, Mrs. Scoville,” Lewis added with a smile. There seemed to be something reassuring to Catherine in it, and she relaxed a little in her chair. “Very well,” she said, and listened quietly to the story Boyd repeated to her. “I don’t understand it at all,” she said then. “I think there has been a mistake. My husband has not spoken to me at all about the diamond. And he knew it couldn’t be sold, of course.” “But the diamond is gone, Catherine,” Boyd exclaimed impatiently. “Father told me. But I still believe there’s a mistake. How can it be gone? And if it is you must find it. My husband may ha

