1. Darwin's debt to Philosophy 2. Charles Darwin and Group Selection 3. What Kind of Revolution Occurred in Geology? 4. Biological Species - Natural Kinds, Individuals or What? 5. Is the Theory of Punctuated Equilibria a new Paradigm? 6. Teleology and the Biological Sciences 7. Human Sociobiology: An Interim Report 8. Biological Science and Feminist Values 9. Is Rape Wrong on Andromeda? - an introduction to extraterrestrial evolution, science, and morality 10. Evolutionary Theory and Christian Ethics - are they in harmony?