sensed; and under it all he felt that there was a latent power of will that would make panicky fears and actions impossible in her. And he never had perceived such superb defenses against undue familiarity, superb in their unobtrusiveness, which to him was proof of their sincerity and that they were innate characteristics. He felt that she could repel much more effectively without showing any tangible signs of it than could any woman he ever had met. He promised himself that the study of her nature would not be neglected, and he looked forward to it with eagerness. There was, to him, a charm about her so complex, so subtle that it almost completed the circle and became simple and apparent.[Pg 43] [Pg 43] She smiled slightly and acknowledged his bow as he approached her. "Good morning, Miss Cooper. Have you and your uncle breakfasted?" "Not yet," she answered, turning toward the cabin. "I think he is waiting for us. Shall we go in?" The plural form of the personal pronoun sent a slight thrill through him as he opened the door for her, showed her to the table, and seated her so that she faced the wide expanse of the river. "I imagined that I felt bumps against the boat sometime during the night," she remarked. She looked inquiringly at Tom and her uncle. "Did we strike anything?" "Why," Tom answered in simulated surprise, "no one said anything about it to me, and I've been with the pilot almost since dawn. The whole fact of the matter is that this river's dangers are much over-estimated, considering that boats of thirty feet and under have been navigating it since before the beginning of this century. And they had no steam to help them, neither." Uncle Joe appeared to be very preoccupied and took no part in the conversation. "I have heard uncle and father speak many times about the great dangers attending the navigation of the Missouri," she responded, smiling enigmatically, and flashing her uncle a keen, swift glance. "They used to dwell on it a great deal before father went out to Santa Fe. So many of their friends were engaged in steamboat navigation that it was a subject of deep interest to them both, and they