History of the Peloponnesian War

And when the rest were over, then last of all, and with much ado, came they also down to the ditch which were in the two towers. And by this time the three hundred that were to assist the watch came and set upon them and had lights with them,

by which means the Plataeans that were on the further brink of the ditch discerned them the better from out of the dark and aimed their arrows and darts at their most disarmed parts; for standing in the dark, the lights of the enemy made the Plataeans the less discernible, insomuch as these last passed the ditch, though with difficulty and force.