Note 13 — I. The Transition from Roman to Mediæval Forms in War. A.D. 378–582.

At the still fiercer fight, where the army of the usurper Eugenius almost defeated Theodosius, we find that it was the barbarian cavalry of Arbogast, not the native infantry, which had become (only seven years after Maximus’ defeat) the chief force of the Western Empire.