

xxvi CONTENTS OF THE FIRST VOLUME. 



BOOK II. 



HISTORY OF THE PHYSICAL SCIENCES IN ANCIENT 

 GREECE. 



PAGE 



Introduction ......... 95 



CHAPTER I. EARLIEST STAGES OF MECHANICS AND 

 HYDROSTATICS. 



Sect. 1. Mechanics ....... 97 



Sect. 2. Hydrostatics 101 



CHAPTER II. EARLIEST STAGES OF OPTICS . .105 

 CHAPTER III. EARLIEST STAGES OF HARMONICS . 109 



BOOK III. 



HISTORY OF GREEK ASTRONOMY. 

 Introduction . . . . . . .121 



CHAPTER I. EARLIEST STAGES of ASTRONOMY. 



Sect. 1. Formation of the Notion of a Year . . .123 

 Sect. 2. Fixation of the Civil Year . . .126 



Sect. 3. Correction of the Civil Year. (Julian Calendar) . 132 

 Sect. 4. Attempts at the Fixation of the Month . . 135 

 Sect. 5. Invention of Lunisolar Years . . . .138 



Sect. 6. The Constellations 145 



Sect. 7. The Planets 149 



Sect. 8. The Circles of the Sphere . . . . 153 

 Sect. 9. The Globular Form of the Earth . . .159 



Sect. 10. The Phases of the Moon .... 163 



Sect. 11. Eclipses 164 



Sect. 12. Sequel to the Early Stages of Astronomy . 167 



CHAPTER II. PRELUDE TO THE INDUCTIVE EPOCH OF 



HIPPARCHUS. . . . .170 

 CHAPTER III. INDUCTIVE EPOCH OF HIPPARCHUS. 



Sect. 1. Establishment of the Theory of Epicycles and 



Eccentrics . ..... 182 



