Res Gestae
Ammianus Marcellinus
Ammianus Marcellinus. Ammianus Marcellinus, with an English translation, Vols. I-III. Rolfe, John C., translator. Cambridge, MA; London: Harvard University Press; W. Heinemann, 1935-1940 (printing).
But in the very heat of the fight, our soldiers, seeing the countless numbers of the enemy, and avoiding combat in the open. dispersed as best they could over the narrow pastures[*](On calles see A.J.P. xxxvi. pp. 329 ff.; and cf. Suet., Jul. 19, 2, note.) planted with trees, and presently stood their ground with greater confidence; and gleaming with like[*](To that of the imperial troops.) resplendence and brilliance of arms when seen from afar, they struck the barbarians with fear that the emperor was coming.
So the enemy turned in flight, sometimes however resisting, that they might not lose their last chance of safety; but they were so thoroughly defeated that from the above mentioned number it was estimated that not more than five thousand escaped under cover of the thick woods, and among other bold and brave men King Priarius also, the inciter of the deadly battles, was killed.