CHAPTER XXXVIII. FEBRUARY 26, 1864--NOVEMBER 8, 1867 Sanitary Commission .-- Letter to Dr.Bellows .-- Letter on "loyalty."-- His brother Richard upholds Lincoln .-- Letters of brotherly reproof .-- Introduces McClellan at preelection parade .-- Lincoln reelected .-- Anxiety as to future of country .-- Unsuccessful effort to take up art again .-- Letter to his sons .-- Gratification at rapid progress of telegraph .-- Letter to George Wood on two great mysteries of life .-- Presents portrait of Allston to the National Academy of Design .-- Endows lectureship in Union Theological Seminary .-- Refuses to attend fifty-fifth reunion of his class .-- Statue to him proposed .-- Ezra Cornell's benefaction .-- American Asiatic Society .-- Amalgamation of telegraph companies .-- Protest against stock manipulations .-- Approves of President Andrew Johnson .-- Sails with family for Europe .-- Paris Exposition of 1867 .-- Descriptions of festivities .-- Cyrus W.Field .-- Incident in early life of Napoleon III .-- Made Honorary Commissioner to Exposition .-- Attempt on life of Czar .-- Ball at Hotel de Ville .-- Isle of Wight .-- England and Scotland .-- The "Sounder."-- Returns to Paris.