CONTENTS. 



PAGE 



INTRODUCTION. xv 



Historical Progress . . . . . . . xvi 



Europe four hundred years ago -....:, . . . xvii 



Progress is not more rapid now than formerly . . xviii 



The profoundest changes are the least visible . . xx 



Encouragement for this Age ...... xxii 



Drummond's Natural Law in the Spiritual World . xxiii 



Change in Religious Thought xxiv 



Subjects of this Work ....... xxv 



This Work not systematic xxvi 



Apology ......... xxvii 



CHAPTER I. 



NATURAL LAW IN THE SPIRITUAL WORLD. 1 



The Parables of Nature 2 



Growth Parasitism ....... 3 



Degeneration ......... 4 



Environment ......... 5 



