History of the Peloponnesian War

But on the other hand, Callias, the general of the Athenians and his fellow-commanders, despatch the cavalry of the Macedonians and a few of the allies towards Olynthus, to prevent the troops there from giving any assistance; while they themselves broke up their camp, and proceeded to Potidaea.

And when they were at the isthmus, and saw the enemy preparing for battle, they also took an opposite position; and not long after they began the engagement.

And just the wing of Aristeus, and such picked troops of the Corinthians and the rest as were around him, routed the wing opposed to them, and advanced in pursuit a considerable distance; but the remaining force of the Potidaeans and Peloponnesians was beaten by the Athenians, and fled within the wall for refuge.