apocryphal story of, [407]

Siena, description of, [3]

Silvestro San, in Capite, Vitt. Colonna retires thither, [329]

church of, party in, [385]

Sixtus IV., Pope, [102]

his lineage, [103]

his character, [104]

whether guilty of the Pazzi conspiracy, [136]

his designs on Ferrara, [153]

his fraudulent granaries, [155]