



Produced by Giovanni Fini, Marilynda Fraser-Cunliffe, David
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                                  THE

                            WONDERS OF LIFE

                            A POPULAR STUDY
                       OF BIOLOGICAL PHILOSOPHY

                                  BY

                             ERNST HAECKEL
           (Ph.D., M.D., LL.D., Sc.D., and Professor at the
                          University of Jena)

                               AUTHOR OF
                     "THE RIDDLE OP THE UNIVERSE"
                       "THE HISTORY OF CREATION"
                        "THE EVOLUTION OF MAN"
                                 ETC.

                             TRANSLATED BY
                             JOSEPH McCABE

                        SUPPLEMENTARY VOLUME TO
                     "THE RIDDLE OF THE UNIVERSE"

  [Illustration: LOGO]

                     HARPER & BROTHERS PUBLISHERS

                          NEW YORK AND LONDON

                                 1905




                Copyright, 1904, by HARPER & BROTHERS.

                        _All rights reserved._

                       Published January, 1905.




                               CONTENTS


                   PART I.--METHODOLOGICAL SECTION:
                           KNOWLEDGE OF LIFE

                                         PAGE

  PREFACE                                   v

  CHAPTER I

  TRUTH                                     1


  CHAPTER II

  LIFE                                     27


  CHAPTER III

  MIRACLES                                 54


  CHAPTER IV

  THE SCIENCE OF LIFE                      77


  CHAPTER V

  DEATH                                    97


                   PART II.--MORPHOLOGICAL SECTION:
                            NATURE OF LIFE


  CHAPTER VI

  PLASM                                   121


  CHAPTER VII

  UNITIES OF LIFE                         147


  CHAPTER VIII