Keeping now to the shelter of the trees, he went forward another quarter of a mile. If Tudor had advanced with equal speed they should have come together at that point, and Sheldon concluded that the other was circling. The difficulty was to locate him. The rows of trees, running at right angles, enabled him to see along only one narrow avenue at a time. His enemy might be coming along the next avenue, or the next, to right or left. He might be a hundred feet away or half a mile. Sheldon plodded on, and decided that the old stereotyped duel was far simpler and easier than this protracted hide-and-seek affair. He, too, tried circling, in the hope of cutting the other's circle; but, without catching a glimpse of him, he finally emerged upon a fresh clearing where the young trees, waist-high,
