and send John Boccaccio to recall him to his
country--he returns, for the sixth time, to
Avignon--is consulted by the four Cardinals, who
had been deputed to reform the government of Rome. lxxx

1352. Writes to Clement VI. the letter which excites against
him the enmity of the medical tribe--begins
writing his treatise "De Vita Solitaria." lxxxvii

1353. Visits his brother in the Carthusian monastery of
Monte Rivo--writes his treatise "De Otio
Religiosorum"--returns to Italy--takes up his
abode with the Visconti--is sent by the Archbishop
Visconti to Venice, to negotiate a peace between the
Venetians and Genoese. xc

1354. Visits the Emperor at Mantua. xcix

1355. His embassy to the Emperor--publishes his "Invective
against a Physician." xcix

1360. His embassy to John, King of France. cxii

1361. Leaves Milan and settles at Venice--gives his library
to the Venetians. cxiii

1364. Writes for Lucchino del Verme his treatise "De Officio
et Virtutibus Imperatoris." cxvii

1366. Writes to Urban V. imploring him to remove the