CHAPTER VIII.

POPE SIXTUS IV., KING FERRANTE, AND THE MEDICI. Feelings of Sixtus IV. towards the Medici—Plan for obtaining the Cardinalate for Giuliano—Cardinal Pietro Riario, Archbishop of Florence—Eleanor of Aragon Este in Florence—Arrival of Cardinal-Archbishop Riario—Beginning of the Misunderstanding between Sixtus and the Medici—Dynastic Ambition of the Pope—Girolamo Riario, Lord of Imola—Affairs of the City of Castello—The Vitelli—Niccolò Vitelli in Contention with the Pope—Florence supports the Vitelli—Dis…