They were checked by lofty barriers made of planks studded with nails, but a fourth yielded easily; they dashed over it at a run and rolled into a pit in which there were hidden snares.

At the south-west gate Autaritus and his men broke down the rampart, the fissure in which had been stopped up with bricks.

The ground behind rose, and they climbed it nimbly.

But on the top they found a second wall composed of stones and long beams lying quite flat and alternating like the squares on a chess-board.

It was a Gaulish fashion, and had been adapted by the Suffet to the requirements of the situation; the Gauls imagined themselves before a town in their own country.