His arms were bare, and on one of them, just below the fore-arm, was a red circle the size of a penny, burnt into the flesh, and bearing some marks arranged in a regular pattern. This was Hyla, one of the serfs belonging to Geoffroi de la Bourne, Baron of Hilgay, and the holder of lands near Mortain, in France. The absolute anarchy of the country in 1136,--the dark age in which this story of Hyla begins--secured to each petty baron an overwhelming power, and Geoffroi de la Bourne was king, in all but name, of the fens, hills, and corn-lands, from Thorney to Thetford, and the undoubted lord of the Southfolk. For many miles the fens spread under the sky from Ely to King's Lynn, then but a few fisher huts. Hilgay itself rose up on an eminence towards the south of the Great Fen. At the bottom of the hill ran the wide river Ouse, and beyond it stretched the treacherous wastes. The Castle of Hilgay stood on the hill itself, and was surrounded by a small village, built in the latter years of Henry's reign. It was one of the most modern buildings in East Anglia. Here, surrounded by his men-at-arms, villeins, and serfs, Geoffroi de la Bourne lived secure, and kept the country-side in stern obedience. The Saxon Chronicle, which at the time was being written in the Monastery of Peterborough, says of him: "He took all those he thought had any goods, both by night and day, men and women alike, and put them in prison to get their gold and silver, and tortured them with tortures unspeakable." Of he and his kind it says: "Never yet was there such misery in the land; never did heathen men worse than they. Christ slept, and all His saints." Hyla had been spearing his eels in various backwaters and fen-pools which wound in and out from the great river. When his catch was sufficient, he laid down the trident, and, taking up the punt pole, set seriously about the business of return. The red lights of the sky turned opal and grew dim as he sent his punt gliding swiftly in and out among the rushes. After several minutes of twisting and turning, the ditch widened into a large, still pool, over which the flies were dancing, and beyond it was the black expanse of the river itself. As the boat swung out into the main stream, the castle came plain to the view. A well-beaten road fringed with grass, among which bright golden kingcups were shining, led up to the walls. Clustered round the walls was a little village of sheds, huts, and houses, where the labourers and serfs who were employed on the farm-lands lived. The castle itself was a massive and imposing place, of great strength and large area. At one corner of the keep stood a great tower, the highest for many miles round, which was covered with a pointed roof of tiles, like that of a French chateau. This was known as the Outfangthef Tower, and Geoffroi and his daughter, Lady Alice, had their private chambers in it.