Plutarch, Titus Flamininus
Bernadotte Perrin, Ed.

[4] After sending off this detachment, Titus kept his army quiet for two days, except so far as he drew off the enemy's attention by skirmishes; but when the day came on which the enveloping party were expected to show themselves on the heights, at daybreak he put all his heavy-armed and all his light-armed troops in motion. Dividing his forces into three parts, he himself led his cohorts in column formation up into the narrowest part of the ravine along the stream, pelted with missiles by the Macedonians and engaging at close quarters with those who confronted him at each difficult spot;