The Boians, a nation remarkably impatient of delay, and quickly disgusted at a state of inaction, separated, and withdrew to their several forts and villages.

Marcellus then, suddenly crossing the Po, led his legions into the territory of Comum, where the Insubrians, after rousing the people of the country to arms, lay encamped.

The fierce Boian Gauls attacked him on his march, and they first onset was so vigorous, as to make a considerable impression on his van.

On perceiving which, and fearing lest, if his men once gave way, they would be dislodged, he brought up a cohort of Marsians against the enemy, and ordered every troop of the Latin cavalry to charge them.

The first and second charges of these having checked the enemy in their furious attack, the other troops in the Roman line, resuming courage, advanced briskly on the foe.