"Now," he said, "we have hostages for the fidelity of the monks."

Soon after Hereward left the abbey of Peterborough, Turauld, encompassed by Norman lances, presented himself at the gates. The monks, trembling for their lives, bent their shaven crowns, and admitted their new abbot without hesitation; and Turauld, having taken possession, was forthwith installed. At the same time he appropriated sixty-two hides of land belonging to the abbey to his soldiers, to reward their services and encourage their zeal.

Meantime, Ivo Taille-Bois, clad in his linked mail, and followed by armed men, rode to the abbey of Peterborough. On being admitted to the abbot's presence Ivo proposed an expedition to the Isle of Ely, to destroy the Camp of Refuge and crush the insurgents. Turauld sanctioned the expedition, but declined to take an active part in it; and everything having been arranged, the Angevin viscount advanced boldly with his men through the forests and willows which served the Saxons as intrenchments, while the abbot, surrounded by Normans of high rank, remained at what he considered a safe distance.

But Ivo Taille-Bois was destined to miss his foes, and Turauld to meet those whom Ivo sought. Aware of the projects of the Normans and of their movements, Hereward was on the alert. Contriving to escape unobserved from the wood by one side while Ivo entered by the other, the Saxon chief, leaving the Angevin viscount to pursue his search in vain, fell suddenly upon the abbot and the abbot's Norman attendants, seized them without difficulty as prisoners, and kept them securely in the marshes till they paid a large ransom.

Nevertheless, the position of Hereward and his comrades became every day more perilous. About this time, however, they were reinforced by allies, whose presence inspired them with some hope of accomplishing their country's deliverance. Indignant at his brother's conduct at York, Sweyn, King of Denmark, fitted out a new fleet, and came in person to the aid of the vanquished islanders. But the royal Dane soon tired of an enterprise which he found was much less promising than he had anticipated. After sailing up the Humber without receiving any particular encouragement, he returned to Denmark.

But, however disappointed he might have been, Sweyn, while departing from the shores of England, did not withdraw his fleet. Entering Boston Wash, the Danish ships, by the mouth of the Ouse and the Glen, succeeded in reaching the Isle of Ely. Hereward hailed with joy the arrival of the Danes, and welcomed them as friends and liberators.

William was startled at the arrival of Danish auxiliaries, but he was not particularly perplexed. Perfectly comprehending how to deal with King Sweyn, the Conqueror hastened to send ambassadors to Denmark with artful messages and costly presents. The successor of Canute, completely won over to the Norman cause, did without scruple that which he had, some months earlier, punished his brother for doing; and Hereward and his comrades soon learned to their dismay that they were once more betrayed by their Northern allies.

When the Danes at Ely, on whose powerful aid Hereward had built such hopes, received orders to return home, they were far from manifesting any reluctance. They seemed determined, however, not to go empty-handed. In fact, the temptation of carrying off the ornaments and sacred vessels which Hereward had brought from the abbey of Peterborough was more than the grisly Northmen could resist; and seizing everything in the way of treasure upon which they could lay hands, they embarked, and turning the prows of their ships homewards, gave their sails to the wind, laughing grimly at the ridiculous plight in which they left the men they had come to save.

Affairs now hurried to a catastrophe. Ivo Taille-Bois and Abbot Turauld rejoiced in the hope of triumph and revenge; and Hereward could not but confess that the prospects of the Saxons at Ely were dismal in the extreme. By-and-by news reached the Camp of Refuge that William was assembling forces, and that a great blow was to be struck, and as weeks passed on, the Camp of Refuge was invested by land and water. On every side workmen were set to form dykes and causeways over the marshes; and on the west, over waters covered with reeds and willows, the Normans commenced the construction of a road three hundred paces in length.

But most of the labour was found to be in vain. The Normans had no rest. Hereward and his friends, incessant in their attacks and artful in their stratagems, constantly interrupted the work; and the workmen, finding themselves disturbed in the most sudden and unexpected manner, gave way to superstitious terror.