THE BLUE DIAMOND WAS sold at the Hôtel Drouot on the thirtieth of January. The auction-room was crammed and the bidding proceeded madly. All Paris, the Paris of the first nights and great public functions, was there, all those who buy and all those who like others to think that they are in a position to buy: stockbrokers, artists, ladies in every class of society, two members of the Government, an Italian tenor, a king in exile who, in order to reëstablish his credit, with great self-possession and in a resounding voice, permitted himself the luxury of running up the price to a hundred thousand francs. A hundred thousand francs! His Majesty was quite safe in making the bid. The Italian tenor was soon offering a hundred and fifty thousand, an actress at the Français a hundred and seventy-f