History of the Peloponnesian War

Thucydides

Thucydides. The Peloponnesian War. London, J. M. Dent; New York, E. P. Dutton. 1910.

word was brought to Demosthenes and the Acarnanians that the Ambraciots from the city, in compliance with the first message from Olpae, were on the march with their whole levy through Amphilochia to join their countrymen at Olpae, knowing nothing of what had occurred.

Demosthenes prepared to march with his army against them,

and meanwhile sent on at once a strong division to beset the roads and occupy the strong positions.