History of the Peloponnesian War

The fleet having sailed first to Methymna, effected the revolt of the place, and four vessels were left there; while the remainder, again, effected that of Mytilene also.

Now Astyochus, the Lacedaemonian admiral, set sail, as he had intended, with four ships from Cenchrea, and arrived at Chios On the third day after his coming there, the Athenian ships, five and twenty in number, sailed to Lesbos under the command of Leon and Diomedon; for Leon had subsequently brought a reinforcement of ten ships from Athens.