It was evident that the besiegers were in no hurry; that they were living upon the provisions left in the valley; and that it was their intention to reduce the besieged by famine.

In fact the inhabitants of the Val d'Avon had been able to carry with them only a small quantity of provisions. They had their cattle, but these being badly fed and crowded together were dying in great numbers; the cows ceased to give milk, and the store of forage was rapidly diminishing.

On the sixth day of the investment, the chiefs of the tribes proposed to the Brenn to cut their way through the enemy's lines while their men still preserved their strength entire, and not to wait till the utter failure of provisions should place them at the mercy of the invaders. Of course the Brenn opposed this proposition, declaring that the day of deliverance would come, and that they must have patience. Nevertheless it was of great consequence to him that the enemy should concentrate his forces on the northern side. Accordingly, one evening at nightfall, he collected two bodies of men, one at the eastern, the other at the western gate. He had observed that the enemy used to prepare their morning meal just before noon, and that of the evening at sunset. After the evening repast they were heard singing and shouting.

When the opportune moment arrived he divided each of his bodies into two. The first two halves were to march along the ramparts parallel to one another till they reached the woods; there they were to rush on the two flanks of the besiegers' outposts; they were not to prolong the attack, but to fall back with all speed to the northern salient of the Oppidum. An issue would be open at this point. In the meantime, the two other halves would unite, provided with stakes, before this salient, where, with the aid of palisading, they would make an advanced work ([Fig. 7]) and then fall back one hundred paces to the right and left.

Fig. 7.

The men who guarded the north front had orders to cut an opening in the rampart twenty paces wide, and to throw fascines and clods of turf into the ditch, and have wattles ready to close the opening instantly.

The first two detachments, therefore, set out in silence; that on the western side left a little before the one on the east, so as to arrive at the same time on the enemy's flank. The two other detachments preceded them, and stationing themselves at the northern extremity of the Oppidum, drove in their stakes according to the instructions given, and then fell back to right and left. A fine autumnal rain was falling, and the ground was slippery. Some time elapsed before the two detachments found themselves in sight of the enemy's camp. The besiegers had no outposts; but their army encamped in front of the Oppidum, and at a distance of about six hundred paces from it, was intrenched behind barricades of timber; the intrenchment presented an extended front. Their men might be seen around the fires, talking loudly, singing, and drinking cider and mead, of which they had found abundance in the houses of the valley. An attack on this front was not to be thought of; they must get round it. So the two detachments separated farther and farther from each other, and advanced with the greatest difficulty along the bogs and under the woods in momentary fear of being seen by the enemy. At length the one which was manœuvring on the right reached the end of the front, got under cover, and awaited the signal, which was to be given by the one on the left by the blowing of a horn; for the Brenn had calculated that the former would reach the extremity of the front before the latter.

The time, however, was getting on, and Sigild, who had advanced with several warriors on horseback along the verge of the wood, still heard nothing. He sent two of his warriors to ascertain where the two detachments were; they had great difficulty in making their way through the wood, while the enemy's fires, which they saw in the distance through the trees, only added to their difficulties, by preventing them from seeing the ground they were riding over. The right front of the enemy towards the river formed a lengthened curve, and the left detachment kept advancing parallel with the front without finding a point of attack.