Introduction
I — The Three Alleged Contradictions Between Darwinism and Socialism
Virchow And Haeckel at the Congress of Munich.
a The equality of individuals.
b The struggle for life and its victims.
c The survival of the fittest.
Socialism as a Consequence of Darwinism
Socialism and religious beliefs.
The individual and the species.
The struggle for life and the class-struggle.
II — Evolution and Socialism
The orthodox thesis and the socialist thesis confronted by the theory of evolution.
The law of apparent retrogression and collective ownership.
The social evolution and individual liberty.
Evolution.—Revolution.—Rebellion.—Violence.
III — Sociology and Socialism
Marx completes Darwin And Spencer. Conservatives and socialists.
Appendix I.—Reply to Spencer
Appendix II.—Socialist superstition and individualist myopia