[Footnote 72: From Chapter 50 of "The Decline and Fall of the Roman Empire." Hosein was a grandson of Mohammed, founder of the faith that bears his name.] [Footnote 73: Babylonia.] [Footnote 74: The Roman emperor still retained the title of Caesar.] [Footnote 75: Chosroes is better known in our day as Phusrau, one of the kings of Persia.] [Footnote 76: The reputed founder of the Mohammedan sect called Yezidis.] [Footnote 77: From the final chapter of "The Decline and Fall of the Roman Empire."] [Footnote 78: A Tuscan author and antiquarian, born in 1381, died in 1495; at one time secretary of the papal curia; author of a history of Florence, but chiefly remembered for having recovered works in Roman literature, including eight orations of Cicero.] END OF VOLUME IV.