... as strongly marked with the changes and revolutions of the period since I was last here, as the city and its streets. The first evening—having arrived at noon—I went to see the Marquis Arconati and his very remarkable wife. When I knew them in 1835-38 at their castle near Brussels, in Heidelberg, and in Paris, they were living on the income of their great estates in Belgium. . . . . Now a...