_Sect._ 1. The General Foundation of the Greek School Philosophy. 63 _Sect._ 2. The Aristotelian Physical Philosophy. 67 _Sect._ 3. Technical Forms of the Greek Schools. 73 1. Technical Forms of the Aristotelian Philosophy. 73 2. " " " Platonists. 75 3. " " " Pythagoreans. 77 4. " " " Atomists and Others. 78 CHAPTER III.--FAILURE OF THE PHYSICAL PHILOSOPHY OF THE GREEK SCHOOLS. _Sect._ 1. Result of the Greek School Philosophy. 80 _Sect._ 2. Cause of the Failure of the Greek Physical Philosophy. 83 {14} BOOK II. HISTORY OF THE PHYSICAL SCIENCES IN ANCIENT GREECE. Introduction. 95 CHAPTER I.--EARLIEST STAGES OF MECHANICS AND HYDROSTATICS. _Sect._ 1. Mechanics. 96 _Sect._ 2. Hydrostatics. 98 CHAPTER II.--EARLIEST STAGES OF OPTICS. 100 CHAPTER III.--EARLIEST STAGES OF HARMONICS. 105 BOOK III. HISTORY OF GREEK ASTRONOMY. Introduction. 111 CHAPTER I.--EARLIEST STAGES OF ASTRONOMY. _Sect._ 1. Formation of the Notion of a Year. 112 _Sect._ 2. Fixation of the Civil Year. 113 _Sect._ 3. Correction of the Civil Year (Julian Calendar). 117 _Sect._ 4. Attempts at the Fixation of the Month. 118 _Sect._ 5. Invention of Lunisolar Years. 120 _Sect._ 6. The Constellations. 124 _Sect._ 7. The Planets. 126 _Sect._ 8. The Circles of the Sphere. 128 _Sect._ 9. The Globular Form of the Earth. 132 _Sect._ 10. The Phases of the Moon. 134 _Sect._ 11. Eclipses. 135 _Sect._ 12. Sequel to the Early Stages of Astronomy. 136 CHAPTER II.--PRELUDE TO THE INDUCTIVE EPOCH OF HIPPARCHUS. 138 {15} CHAPTER III.--INDUCTIVE EPOCH OF HIPPARCHUS. _Sect._ 1. Establishment of the Theory of Epicycles and Eccentrics. 145 _Sect._ 2. Estimate of the Value of the Theory of Eccentrics and Epicycles. 151 _Sect._ 3. Discovery of the Precession of the Equinoxes. 155 CHAPTER IV.--SEQUEL TO THE INDUCTIVE EPOCH OF HIPPARCHUS.