Obviously something had occurred during the morning, then, to cause her to change her mind. What could that something be? She could not have spoken to anyone when she was out, for she had been in the company of the bridegroom. Had she seen someone, then? If she had, it must be someone from America because she had spent so short a time in this country that she could hardly have allowed anyone to acquire so deep an influence over her that the mere sight of him would induce her to change her plans so completely. You see we have already arrived, by a process of exclusion, at the idea that she might have seen an American.