 Marshaling his troops, the dictator fortified a position at the confluence of the Anio and the Tiber, and waited for Tolumnius to offer battle.Tolumnius, whose army was reinforced by a contingent from Falerii, was content to let the Romans make the first move, but the men of Falerii were eager for battle, so the king agreed to take the field on the following day.He sent a contingent of Veientes through the hills to attack the Romans from the rear, and the battle commenced.