An infinitesimal fraction of a second, yet within that brief space Constans had contrived to fling himself, bodily, forward and sideways from his seat. The spear-shaft grazed his shoulder and the blade buried itself in the sand. The treacherous assailant, overbalanced by the force of his thrust, toppled over the log and fell heavily, ignominiously, at the boy's side. In the indefinite background some one laughed melodiously. Constans was up and out upon the forest track before his clumsy opponent had begun to recover his breath. It was almost too easy, and then he all but cannoned plump into a horseman who sat carelessly in his saddle, half hidden by the bole of a thousand-year oak. The cavalier, gathering up his reins, called upon the fugitive to stop, but Constans, without once looking behind, ran on, actuated by the ultimate instinct of a hunted animal, zigzagging as much as he dared, and glancing from side to side for a way of escape. But none offered. On the right ran the wall of the stockade, impenetrable and unscalable, and it was a long two miles to the north gate. On the left was the water and behind him the enemy. A few hundred yards and he must inevitably be brought to a standstill, breathless and defenceless. Yet he kept on; there was nothing else to do. The horseman followed, putting his big blood-bay into a leisurely hand-gallop. A sword-thrust would settle the business quite as effectually as a shot from his cross-bow, and he would not be obliged to risk the loss of a bolt, a consideration of importance in this latter age when good artisan work is scarce and correspondingly precious. Constans could run, and he was sound of wind and limb. Yet, as the thunder of hoofs grew louder, he realized that his chance was of a desperate smallness. If only he could gain a dozen seconds in which to string his bow and fit an arrow. But he could not make or save those longed-for moments; already he had lost a good part of his original advantage, and the horseman was barely sixty yards behind. His head felt as though it were about to split in two; a cloud, shot with crimson stars, swam before his eyes. The track swung suddenly to the right, in a sharp curve, and Constans's heart bounded wildly; he had forgotten how close he must be to the crossing of the Swiftwater. Now the rotting and worm-eaten timbers of the open trestle-work were under his feet; mechanically, he avoided the numerous gaps, where a misstep meant destruction, and so at last gained the farther bank and sank down panting on the short, crisp sward. The cavalier reined in at the beginning of the trestle; he looked doubtfully at the ford above the bridge; but the Swiftwater was in spring flood, and, was the chase worth a wetting? Evidently not, for, with a shrug of his shoulders, the horseman threw one leg across the saddle-pommel and sat there, very much at his ease, while he proceeded to roll himself a cigarette from coarse, black tobacco and a leaf of dampened corn-husk.