VI. After this, Hannibal made a blunder. Wishing to move his army further from that of Fabius, and to gain an open part of the country where he could obtain forage, he ordered his guides one night after supper to lead the way at once to Casinatum. They, misunderstanding him because of his foreign pronunciation, led his forces to the borders of Campania, near the city of Casilinum, through the midst of which flows the river Lothronus, which the Romans call Vulturnus. This country is full of mountains, except one valley that runs towards the sea-coast, where the river at the end of its course overflows into extensive marshes, with deep beds of sand. The beach itself is rough and impracticable for shipping.
When Hannibal was marching down this valley, Fabius, by his superior knowledge of the country, came up with him, placed four thousand men to guard the narrow outlet, established the main body in a safe position in the mountains, and with the light-armed troops fell upon and harassed the rear of Hannibal’s army, throwing it all into disorder, and killing about eight hundred men. Upon this, Hannibal determined to retrace his steps. Perceiving the mistake which he had made, and the danger he was in, he crucified his guides, but still could not tell how to force his way out through the Roman army which was in possession of the mountain passes. While all were terrified and disheartened, believing themselves to be beset on all sides by dangers from which there was no escape, Hannibal decided on extricating himself by stratagem. Taking about two thousand captured oxen, he ordered