History of the Peloponnesian War

Here they found the adverse faction to the Athenians to have been lately driven out in a sedition.

And because they desired to muster their army here, that they might see if any were left behind, and persuade the Thurians to join with them freely in the war, and, as things stood, to have for friends and enemies the same that were so to the Athenians; they stayed about that in the territory of the Thurians.

The Peloponnesians and the rest, who were at the same time in the twenty-five galleys that for safeguard of the ships lay opposite to the galleys before Naupactus, having prepared themselves for battle, and with more galleys, so as they were little inferior in number to those of the Athenians, went to an anchor under Irineus of Achaia in Rhypica. The place where they rode was in form like a half moon;

and their land forces they had ready on either side to assist them, both Corinthians and their other confederates of those parts, embattled upon the points of the promontory; and their galleys made up the space between, under the command of Polyanthes, a Corinthian.

Against these the Athenians came up with thirty-three galleys from Naupactus, commanded by Diphilus. The Corinthians at first lay still;

but afterwards when they saw their time, and the signal given, they charged the Athenians and the fight began. They held each other to it long. The Athenians sank three galleys of the Corinthians;