XIV CONTENTS. 



CHAPTER VIII. 



EXTENSIVE AND INTENSIVE PHASES OF QUANTITY IN MATTER, 86 



CHAPTER IX. 

 MEASURE AND THE MEASURELESS, 97 



CHAPTER X. 



OF THE POSSIBILITY OF MOTION IN GENERAL, . . . 109 



CHAPTER X 

 OF THE NATURE OF MOTION, . . . . . .122 



CHAPTER XII. 

 THE LAWS OF MOTION, . 131 



CHAPTER XIII. 



ENERGY AS ADEQUATE CAUSE OF MOTION, . . . .143 



CHAPTER XIV. 



THE LAW OF UNIVERSAL GRAVITATION, . . 150 



CHAPTER XV. 

 MOMENTUM, 157 



CHAPTER XVI. 

 LAWS OF PALLING BODIES, 163 



CHAPTER XVII. 

 CURVILINEAR MOTION, . . 170 



