Olybius of Byzantium, [78].
Onagri, [332].
Oppas, [172].
Optaris slays Theodahad, [325].
Oratory of St. Maria, [252].
Orestes, master of the soldiery, [100].
Orleans resists the Huns, [23].
Orosius, passage quoted, [4], [138].
Orpheus, task of, [196].
Ostrogoths, [7]; power of, [10] et seq.; yield to Huns, [13]; three kings of, [19], influence of, on Attila, [20]; settle in Pannonia, division of Empne under three kings, [30], war with Eastern Empire, [35]; tributes to, [36]; southward migration of, [49]; final encounter with the Huns, [49]; change in, [56]; division of tasks between the kings, [58]; in 472 AD, [60]; friendly with Visigoths, [184]; approach of war, [197]; on the Danube, [216]; confronted by Roman Empire, [306]; gentler than the Vandals, [337]; dominion in Italy ended, [341].