This he was not able to effect; but so far, he received solemn assurances that, in case of a battle, they would either stand inactive, or, should any occasion offer, would even assist the Romans.

The Insubrians knew not that such an agreement had been concluded, but they harboured in their minds some kind of suspicion, that the fidelity of their confederates was wavering.
Wherefore, in forming their troops for battle, not daring to intrust either wing to them, lest, if they should treacherously give ground, they might cause a total defeat, they placed them in reserve behind the line.

At the beginning of the fight, the consul vowed a temple to Juno Sospita, provided the enemy should, on that day, be routed and driven from the field; on which the soldiers raised a shout, declaring, that they would insure to their commander the completion of his vow, and at the same time an attack was made on the enemy.

The Insubrians did not stand even the first onset.

Some writers affirm, that the Caenomanians, falling on their rear during the heat of the engagement, caused as much disorder there as prevailed in their front: and that, thus assailed on both sides, thirty-five thousand of them were slain, five thousand seven hundred taken prisoners, among whom was Hamilcar, a Carthaginian general, who had been the cause of the war; and that a hundred and thirty military standards and above two hundred waggons were taken.