They, at least, are worthy of their cause.

Caesar advances against them at the head of eight legions.

Drawn up on the banks of the Sambre, they await the Roman's approach.

In three days' march Caesar comes up with them, pitches his camp upon a steep hill sloping down to the river, and sends some cavalry across.

Hardly have the Roman horsemen crossed the stream, than the Nervii rush from the wooded hill-top, overthrow horse and rider, plunge in one great mass into the current, and, directly afterwards, are seen charging up the hill into the midst of the enemy's force.