History of the Peloponnesian War
Thucydides
Thucydides, Vol. 1-4. Smith, Charles Foster, translator. London and Cambridge, MA: Heinemann and Harvard University Press, 1919-1923.
and there was a chance of taking Naupactus also. The Lacedaemonians agreed and at once despatched Cnemus, who was still admiral,[*](cf. Thuc. 2.66.2.) and the hoplites on a few ships, and sent round orders to the allied fleet to make their preparations and sail as soon as possible to Leucas.
And the Corinthians were especially eager to support the enterprise of the Ambraciots, who were colonists of theirs. The contingent of the fleet to come from Corinth and Sicyon and the places in that quarter was still under preparation, but that from Leucas and Anactorium and Ambracia, arriving first, waited at Leucas.
As for Cnemus and the thousand hoplites, as soon as they had succeeded in crossing over without being detected by Phormio, who was in command of the twenty Athenian ships that were on guard off Naupactus,[*](Thuc. 2.69.1.) they began at once to prepare for the expedition by land.
He had with him, of Hellenic troops, some Ambraciots, Anactorians and Leucadians, and the thousand Peloponnesians whom he himself brought; of barbarians, a thousand Chaonians, who, having no king, were led by Photius and Nicanor of the ruling clan who had the annual presidency. With the Chaonian contingent were also some Thesprotians, who likewise have no king.
A force of Molossians and Atintanians were led by Sabylinthus, the guardian of king Tharyps, who was still a boy, and of Paravaeans by their king, Oroedus. With the Paravaeans were a thousand Orestians whose king, Antiochus, had entrusted them to Oroedus.
And Perdiccas also sent, without the knowledge of the Athenians, a thousand Macedonians, who arrived too late.
With this army Cnemus set out, not waiting for the fleet from Corinth; and as they passed through the territory of Argos[*](Amphilochian Argos; Thuc. 2.68.1) they sacked Limnaea, an unwalled village. Finally they arrived at Stratus, the largest city of Acarnania, thinking that if they could take this first, the other places would readily come over to them.
Now when the Acarnanians perceived that a large army had invaded them by land and that the enemy would soon be at hand with a fleet by sea as well, they did not attempt combined resistance, but guarding severally their own possessions they sent to Phornnio urging him to aid them. But he said that he could not leave Naupactus unprotected, as a hostile fleet was about to sail from Corinth.