The Collective Spirit (1925) lays down a rough outline of what science can tell us as to the progress of evolution, and criticises the various interpretations, before endeavouring to formulate an idealist theory of evolution.
1. Religion, Science and Evolution 2. The Progress of Evolution 3. The Mechanistic Theory of Evolution (Darwinism) 4. The Vitalistic Theory of Evolution 5. The Idealistic Theory of Evolution 6. The Creative Power 7. Nature’s Aim 8. The Collective Spirit 9. Idealising or Refining Activity 10. Ethics, Art and Science 11. Critical Observations on the Idealistic Theory of Evolution
