Such was the garrison the Romans had at Casilinum; to these was added a cohort of Perusians, in number four hundred and sixty, who had been driven to Casilinum by the same intelligence which had brought the Praenestines a few days before.
They formed a sufficient number of armed men for the defence of walls of so limited extent, and protected on one side by the river.

The scarcity of corn made them even appear too numerous.
18.

Hannibal having now advanced within a short distance of the place, sent forward a body of Getulians under a commander named Isalca, and orders them in the first place, if an opportunity of parley should be given, to win them over by fair words, to open the gates, and admit a garrison; but, if they persisted in obstinate opposition, to proceed to action, and try if in any part he could force an entrance into the city.

When they had approached the walls, because silence prevailed there appeared a solitude; and the barbarian, supposing that they had retired through fear, made preparation for forcing the gates and breaking away the bars, when, the gates being suddenly thrown open, two cohorts, drawn up within for that very purpose, rushed forth with great tumult, and made a slaughter of the enemy.

The first party being thus repulsed, Maharbal was sent with a more powerful body of troops; but neither could even he sustain the sally of the cohorts.