History of the Peloponnesian War

The next day the Athenian general, Nicostratus, son of Diitrephes, came up from Naupactus with twelve ships and five hundred Messenian heavy infantry. He at once endeavored to bring about a settlement, and persuaded the two parties to agree together to bring to trial ten of the ringleaders, who presently fled, while the rest were to live in peace, making terms with each other, and entering into a defensive and offensive alliance with the Athenians.