10. From this place the Romans, while diligently employed in raising a rampart, descried the fleet of the enemy, on its way to Utica from Carthage. Desisting from their work, therefore, orders for marching were given, and the troops began to move with the utmost haste, lest the ships which were turned towards the land, and occupied with the siege, and which were far from being in a condition for a naval battle, should be surprised and overpowered. For how could ships, carrying engines and machines, and either converted to the purposes of transports, or brought up to the walls so as to afford the means of mounting up, in lieu of a mound and bridges, resist a fleet, with nothing to impede its movements, furnished with every kind of naval implement, and prepared for action. Scipio, therefore, contrary to his usual practice in naval engagements, drew the ships of war, which might have been employed in defending the rest, into the rear, and formed them into a line near the land; opposing to the enemy a row of transports, four deep, to serve as a wall; and, lest these same transports should be thrown into disorder during the confusion of the battle, he bound them together by placing masts and yard-arms across them, from one vessel to the other; and, by means of strong ropes, fastened them together, as it were, by one uninterrupted bond. He also laid planks upon them, so as to form a free passage along the line, leaving spaces under these bridges of communication by which the vessels of observation might run out towards the enemy, and retreat with safety. Having hastily made these arrangements