Status of Chemical Science at Beginning of the Century—The Century’s Main Lines of Progress: I. INORGANIC AND PHYSICAL CHEMISTRY:— Lavoisier’s Cardinal Propositions—Rapid Advance of Chemical Science—Sir Humphrey Davy’s Achievements—Elementary Bodies of Eighteenth Century—Same in Nineteenth Century. II. PHYSICAL CHEMISTRY:—Properties of Elements—Of Matter and Energy—Rates of Reaction—Conditions of Equilibrium. III. ORGANIC CHEMISTRY: —Of Carbon Compounds—Theory of Substitution—Atoms in the Molecule—Space Relations—The Carbon Atom—The Organic Body. IV. ANALYTICAL CHEMISTRY:—Development of the Blow-pipe— Gas Analysis—Electricity as a Factor—Discovery of Spectrum Analysis. V. SYNTHETICAL CHEMISTRY:—Building up of Complex Forms —Synthesis of Coloring Matters and Sugars—Future Food of Man. VI. METALLURGICAL CHEMISTRY:—Oldest Branch of Chemical Science —Reduction of Ores—Advantage to Agriculture. VII. AGRICULTURAL CHEMISTRY:—Utilization of Fertilizers—Nitrogen as a Plant Food —Advantages to Practical Agriculture. VIII. GRAPHIC CHEMISTRY: —Fundamental Principles—Daguerreotype and Photograph. IX. DIDACTIC CHEMISTRY:—The Student and the Laboratory—Advantages of Laboratory Training. X. CHEMISTRY OF FERMENTATION:—Bacterial Action—Process of Digestion—Decay of Meats and Vegetables— Sterilization—Fermentation. XI. ELECTRO-CHEMISTRY:—Combination of Carbon with Metals—Uses of Electricity in Chemistry. CONCLUSION. 191–206 THE CENTURY’S MUSIC AND DRAMA I. EIGHTEENTH CENTURY MUSIC:—Leading Composers—Nineteenth Century Music—The Great Composers and their Works—Different Schools and Styles of Composition—Analysis of Operas—Musical Characteristics of the Nations—Verdi and Wagner compared— The American Opera. II. THE DRAMA:—The Theatre of the Past— Great Modern Improvement—Scenery and Appointments—Actors and Actresses—The Century’s Illustrious Role—Theatres in the United States—Character of Actors—Public Estimation of the Drama 207–214 THE CENTURY’S LITERATURE