Ambition of Caracalla, ................
211. Death of Severus, and Accession of his two Sons,
Jealousy and Hatred of the two Emperors,......
Education, Pretensions, and Revolt of Elagabalus, called at
222. Sedition of the Guards, and Murder of Elagabalus,.
Accession of Alexander Severus,....
222-235. General Happiness of the Roman World,
Alexander refuses the Name of Antoninus,
He attempts to reform the Army,
Defects of his Reign and Character,....
Digression on the Finances of the Empire,...
Establishment of the Tribute on Roman Citizens,
Abolition of the Tribute,