| Page | I | THALES TO LINNAEUS | 7 | II | LINNAEUS TO LAMARCK | 24 | III | DARWIN’S “NATURAL SELECTION” | 38 | IV | WEISMANN’S THEORY OF HEREDITY | 60 | V | DE VRIES’ “MUTATION” | 81 | VI | KROPOTKIN’S “MUTUAL AID” | 97 | VII | A REPLY TO HAECKEL | 115 | VIII | SPENCER’S “SOCIAL ORGANISM” | 133 | IX | SPENCER’S INDIVIDUALISM | 149 | X | CIVILIZATION—WARD AND DIETZGEN | 168 |
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