As yet not a gun had been fired by the besiegers, and Pomperant waited with breathless impatience for the commencement of hostilities. There was something ominous in the silence that now prevailed. All the martial sounds recently saluting the ear had ceased.

Drums and trumpets were mute. The stillness was undisturbed, for the morning was calm, and the numerous banners on walls and towers hung motionless.

After running his eye along the ramparts, crowded with arquebusiers and pikemen, Pomperant once more turned his gaze towards the little chapel on the hillside. At that moment came forth a troop of knights, sheathed in polished armour. At their head rode Bourbon and Pescara, both distinguishable, even at that distance, from the splendour of their accoutrements and the rich housings of their steeds. Each had a short battle-axe at his saddle-bow—each carried a bâton, in token of command. As the knightly troop rode slowly down the hill towards the battery, its movements were watched with keenest interest by thousands of soldiers from the ramparts and towers of the city. Still, not a gun was fired.

At this moment, Pomperant, whose attention had been for some time diverted by other objects from the battery near which he stood, was reminded of its proximity by a bustle among the artillerymen who had charge of the monster cannon, and, looking in that direction, he saw they were about to fire; and the match being applied, he was almost stunned by the tremendous detonation that ensued.

The sound was echoed from the heights, and reverberated like thunder from the rocks near the harbour. The course of the huge shot could be distinctly traced, and was watched by thousands of eyes. Bourbon and Pescara, with their knightly retinue, had been the mark against which “The Basilisk” was pointed. But the ball passed over the heads of the troop, without causing them to swerve from their course, and fell on the farther side of the lazar-house.

Ineffectual as this discharge proved, it served as the signal for commencing the day's work. The battery at the head of the trenches immediately opened fire, and was replied to from the ramparts and bastions of the city, and the stillness of the lovely morning was broken by the incessant roar of artillery, and the balmy air filled with clouds of sulphurous smoke.

It was some time before “The Basilisk” could be restored to its place, and more than half a hundred men were required for the task; but their labour was quite thrown away, for the second shot was no better aimed than the first—and, indeed, alarmed the besiegers, for it fell into the moat.

Meantime, the roar of ordnance was uninterrupted, and Pomperant looked curiously at the walls; but though some destruction was caused among the defenders, little damage was done to the ramparts.

The conflict had endured for more than an hour, during which Pomperant, enchained by the exciting spectacle, had remained on the same spot, when the sound of a trumpet called his attention to the Porte d'Aix, and he perceived that a large troop of cavalry had been collected at this point. The leader of this troop was Chabot de Brion, who was fully armed, and mounted on a powerful charger. Pomperant at once comprehended that a sortie was about to be made by the commander of the garrison.

In another minute the gate was thrown open, the drawbridge lowered, and Brion dashed out at the head of his men, and, sword in hand, galloped up the hill towards the battery. But ere he got half way thither he was encountered by Bourbon, who had just been joined by a detachment of horse, and a sharp conflict ensued, resulting in the defeat of Brion and his party, who were driven back, with considerable loss, to the city. So hard pressed were the fugitives, that, although their leader escaped, several officers were captured.