History of the Peloponnesian War

Some also of the Athenians themselves, troubled with inclosing them, through ignorance slew one another. So that the Boeotians were overcome in this part and fled to the other part where they were yet in fight.

But the right wing, wherein the Thebans stood, had the better of the Athenians, and by little and little forced them to give ground and followed upon them from the very first.

It happened also that Pagondas, while the left wing of his army was in distress, sent two companies of horse secretly about the hill, whereby that wing of the Athenians which was victorious, apprehending upon their sudden appearing that they had been a fresh army, was put into affright;