Because of the superabundance of producers in every department of art and literature, and because the actual needs of the world are small in proportion to the total output, a sifting results whereby is preserved only that most typical of its kind. Thus of a thousand melodies popular in their hour, one is added to a people\'s treasury of song. A stirring, national anthem, or a perfect poem of tender feeling or contagious flame, may alone preserve the memory of a prolific author. Much of what the world once deemed great in art, as in all else, has gone to the limbo of littl............