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Table of contents![]()
I. Thales to Linnaeus. II. Linnaeus to Lamarck. III. Darwin's "natural selection." IV. Weismann's theory of heredity. V. De Vries "mutation." VI. Kropotkin's "mutual aid." VII. A reply to Haeckel. VIII. Spencer's "Social organism." IX. Spencer's individualism. X. Civlization, Ward and Dietzgen