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).
Valentinian now sent Merobaudes[*](Cf. Zos., iv. 17.) on ahead with the division of foot-soldiers under his command, and in company with Count Sebastianus, to plunder and burn the cantons of the barbarians; the emperor himself quickly moved his camp to Acincum,[*](Modern Ofen.) joined together boats for the sudden emergency, and having with swift energy made a bridge of planks upon them, crossed through another quarter into the territory of the Quadi. They indeed were watching for his coming from the steep mountains, to which most of them, in doubt and uncertain what was happening, had withdrawn with their families; but they were overcome with amazement when, contrary to their expectation, they saw the imperial standards in their territories.
Valentinian then advanced forcing the pace as far as occasion demanded, put to death without distinction of age all those who were still roaming about and were taken unawares