History of the Peloponnesian War

When, however, they returned and saw that their main army had been defeated, and the victorious division of the Acarnanians began to press hard upon them, they made their escape with difficulty to Olpae; and many of them were killed, for they rushed on with broken ranks and in disorder all except the Mantineans, who kept their ranks together during the retreat better than any other part of the army. And it was late in the evening before the battle ended.

On the next day, since Eurylochus and Macarius had been slain, Menedaius had on his own responsibility assumed the command, but the defeat had been so serious that he was at his wit's end how, if he remained, he could stand a siege, blockaded as he was by both land and sea by the Athenian fleet, or, if he retreated, could get away safely. He therefore made overtures to Demosthenes and the Athenian generals regarding a truce for his retreat and also about the recovery of his dead.