1528. His letter to his children 122 1470-1547. Cardinal Bembo 123 " " His pedantry and affected imitation of Cicero 123 " " His history of Venice 124 " " His Essay on Duke Guidobaldo 124 " " His other works 125 Learned ladies 128 CHAPTER XXV 1443-1508. Poetry under the Montefeltrian Dukes 130 " " Defects of the sonnet 131 Francesco Filelfo 131 1480. Gian Maria Filelfo, his son 132 His Martiados in praise of Duke Federigo 132 His minor poems 133 Specimen of the dedication 134 His sonnet to Gentile Bellini the painter 135 His life of Duke Federigo 136 Pandonio of Naples 136 His Feltria on Duke Federigo's campaigns 137 Specimen of it 137 Giovanni Sanzi of Urbino, father of Raffaele Sanzio 138 His metrical chronicle of Duke Federigo 138 Various specimens of it translated 140 1428-1457. Angelo Galli from Urbino 143 Specimen of his poetry 143 Federigo Veterani, his beautiful transcripts 144 His tribute in verse to Duke Federigo 145 Urbani of Urbino 146 Antonio Rustico of Florence 146 Naldio of Florence 146 Bernardo Accolti of Arezzo 146 His improvisation 146 Serafino di Aquila 147 Agostino Staccoli of Urbino 147 Early Italian comedies 147 La Calandra of Bibbiena 147 1513. Its performance at Urbino 148 Description of the scenery and accompanying interludes 148 Origin of the ballet 152 Nature of the plot in La Calandra 152 Low standard of morals at that time 153