CHAPTER XXI
The impost called "Aerikon"—Exactions authorised by Justinian—The property of John the Cappadocian confiscated—The farming of the taxes entrusted to salaried commissioners—Increased spoliation—Oath taken against venality—Increasing corruption of officials—The Thracians and Illyrians at first check the depredations of the Huns, Goths, and other barbarians, and then, in turn, take to plundering themselves.