PREFACE
LIST OF PLATES
ERRATA
ASTRONOMICAL DISCOVERY
CHAPTER I
URANUS AND EROS
CHAPTER II
THE DISCOVERY OF NEPTUNE
CHAPTER III
BRADLEY’S DISCOVERIES OF THE ABERRATION OF LIGHT AND OF THE NUTATION OF THE EARTH’S AXIS
CHAPTER IV
ACCIDENTAL DISCOVERIES
CHAPTER V
SCHWABE AND THE SUN-SPOT PERIOD
CHAPTER VI
THE VARIATION OF LATITUDE
INDEX
