It was hardly probable that they would come back alive from the expedition, but they nevertheless threw some planks across the ditch, and taking a few soldiers with them, climbed cautiously up. Somewhat to his own surprise, still more to that of the Spanish sentinels, Bievry in a few minutes found himself within the ravelin. He was closely followed by Captain Haen, Captain Kalf, and by half a company of soldiers. The alarm was given. There was a fierce hand-to-hand struggle.