CHAPTER XXI. THE TRIAL AND CONDEMNATION OF ALEXIS, AND DEATH OF THE TZAR. From 1718 to 1725. The Tzar's Second Visit to Holland .-- Reception in France .-- Description of Catharine .-- Domestic Grief .-- Conduct of Alexis .-- Letters from His Father .-- Flight To Germany .-- Thence to Naples .-- Envoys Sent to Bring Him Back .-- Alexis Excluded from the Succession .-- His Trial for Treason .-- Condemnation and Unexpected Death .-- New Efforts of the Tzar for the Welfare of Russia .-- Sickness of Peter .-- His Death .-- Succession of the Empress Catharine .-- Epitaph to the Emperor..