Joule and Mayer executed their memorable labours. ******************** XXI. DEATH BY LIGHTNING. XXII. SCIENCE AND MAN. XV. PROFESSOR VIRCHOW AND EVOLUTION. XVI. THE ELECTRIC LIGHT. ******************** PREFACE TO THE SIXTH COMMANDMENT 0.75 III. ROSE'S TEMPTATION. THE FOURTH COMMANDMENT 0.75 IV. LILY'S LESSON. THE FIFTH COMMANDMENT 0.75 V. HYACINTHE AND HER BROTHERS. THE SIXTH EDITION. VOL. I. INORGANIC NATURE. I. THE CONSTITUTION OF THE PROJECT GUTENBERG EBOOK DAISY'S WORK: THE THIRD COMMANDMENT *** E-text.