History of the Peloponnesian War

Meanwhile Hippocrates at Delium, informed of the approach of the Boeotians, sent orders to his troops to throw themselves into line, and himself joined them not long afterwards, leaving about three hundred horse behind him at Delium, at once to guard the place in case of attack, and to watch their opportunity and fall upon the Boeotians during the battle.

The Boeotians placed a detachment to deal with these, and when everything was arranged to their satisfaction appeared over the hill, and halted in the order which they had determined on, to the number of seven thousand heavy infantry, more than ten thousand light troops, one thousand horse, and five hundred targeteers.