Part Ii. _the Physical Sciences_

CHAPTER V.--Analysis and Physics 279

CHAPTER VI.--Astronomy 289

CHAPTER VII.--The History of Mathematical Physics 297 The Physics of Central Forces 297 The Physics of the Principles 299

CHAPTER VIII.--The Present Crisis in Physics 303 The New Crisis 303 Carnot's Principle 303 The Principle of Relativity 305 Newton's Principle 308 Lavoisier's Principle 310 Mayer's Principle 312