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 all other things wherein war takes pride—the provision and inspection of such equipment we shall have in charge—and in sending men round to the cities for observation as well as for any other purpose that may seem expedient. These provisions we have in part already made, and whatever we find out we will bring before you.” And the Syracusans, when the general had said thus much, dispersed from the assembly.
Meanwhile the Athenians themselves and all their allies also were already at Corcyra. And first the generals held a final review of the armament and made disposition in what order the forces were to anchor and to encamp. Making three divisions they allotted one to each general, in order that they might not, by sailing together, be at a loss for water and ports and provisions when they put in to shore, and that they might in general be more orderly and easy to control, being thus assigned in divisions to separate commanders.
And next they sent forward to Italy and Sicily three ships, to ascertain which of the cities would receive them. And orders were given to these ships to come back to meet them, that they might know before putting to shore.
After this the Athenians weighed anchor and crossed over from Corcyra to Sicily with a force that was now of this strength: Of triremes there were in all one hundred and thirty-four, and two Rhodian fifty-oared galleys—one hundred of these Attic, sixty of which were swift vessels, the others transports for soldiers, the rest of the fleet being furnished by the Chians and the other allies. Of hoplites there were all together five thousand one hundred-and of these, fifteen hundred were Athenians from the muster-roll and seven hundred Thetes[*](Citizens of the lowest property-class, who served usually as oarsmen, but in extraordinary cases, as here, served as marines with hoplite armour.) serving as marines on the ships, and the rest allies who shared in the expedition, some from the subject— states, others from the Argives to the number of five hundred, and of Mantineans and other mercenaries two hundred and fifty. Of bowmen there were in all four hundred and eighty, and eighty of these were Cretans; of slingers, seven hundred Rhodians; one hundred and twenty light-armed Megarian exiles; and one horse-transport carrying thirty cavalry.