CHAPTER V. Conduct of Belisarius in Italy--His greed--Defection of Herodianus--Loss of Spoletum--Success of Totila and his Goths--Rupture with John--Betrothal of the latter to Justina, daughter of Germanus--Recall of Belisarius--Perusia taken by the Goths--The marriage between Joannina and Anastasius consummated by a trick on the part of the dying Empress--Return of Antonina, who separates the young pair--Belisarius despised for his weakness--Sergius causes the loss of the Roman army in Africa--Murder of Pegasius by Solomon--The vengeance of Heaven..