Frank J. Sulloway is a Research Associate in the Department of Psychology at University of California, Berkeley and a MacArthur Fellow. Harvard trained, he authored the award-winning Freud, Biologist of the Mind (1979) and Born to Rebel (1996), and has published influential research on Darwin and in evolutionary psychology and evolutionary biology. Ernst Mayr (1904-2005) was an evolutionary biologist and often called the 'Darwin of the 20th century' for his seminal contributions to evolutionary theory. Mayr is also renowned as a taxonomist, ornithologist, philosopher of science, and historian of science. He was the recipient of 17 international prizes, including the National Medal of Science and the Balzan Prize.

• Introduction; Part I. Natural Selection: 1. Variation under domestication; 2. Variation under nature; 3. The struggle for existence; 4. Natural selection; 5. Laws of variation; Part II. Difficulties Confronting the Theory of Evolution: 6. Difficulties on theory; 7. Instinct; 8. Hybridism; 9. On the imperfection of the geological record; Part III. The Evidence for Evolution: 10. On the geological succession of organic beings; 11. Geographical distribution; 12. Geographical distribution-continued; 13. Mutual affinities of organic beings: morphology, embryology and rudimentary organs; 14. Recapitulation and conclusion; 15. Darwin's scientific genius and legacy; Appendix A. Darwin's controversy with Moritz Wagner; Appendix B. Modern challenges to the biological species concept; Appendix C. Evolution by creeps or jerks: criticisms of Darwin's continuity argument; Appendix D. Systems of biological classification; List of illustrations; Acknowledgments; Glossary; References.

Frank J. Sulloway is a Research Associate in the Department of Psychology at University of California, Berkeley and a MacArthur Fellow. Harvard trained, he authored the award-winning Freud, Biologist of the Mind (1979) and Born to Rebel (1996), and has published influential research on Darwin and in evolutionary psychology and evolutionary biology. Ernst Mayr (1904-2005) was an evolutionary biologist and often called the 'Darwin of the 20th century' for his seminal contributions to evolutionary theory. Mayr is also renowned as a taxonomist, ornithologist, philosopher of science, and historian of science. He was the recipient of 17 international prizes, including the National Medal of Science and the Balzan Prize.

• Introduction; Part I. Natural Selection: 1. Variation under domestication; 2. Variation under nature; 3. The struggle for existence; 4. Natural selection; 5. Laws of variation; Part II. Difficulties Confronting the Theory of Evolution: 6. Difficulties on theory; 7. Instinct; 8. Hybridism; 9. On the imperfection of the geological record; Part III. The Evidence for Evolution: 10. On the geological succession of organic beings; 11. Geographical distribution; 12. Geographical distribution-continued; 13. Mutual affinities of organic beings: morphology, embryology and rudimentary organs; 14. Recapitulation and conclusion; 15. Darwin's scientific genius and legacy; Appendix A. Darwin's controversy with Moritz Wagner; Appendix B. Modern challenges to the biological species concept; Appendix C. Evolution by creeps or jerks: criticisms of Darwin's continuity argument; Appendix D. Systems of biological classification; List of illustrations; Acknowledgments; Glossary; References.

Frank J. Sulloway is a Research Associate in the Department of Psychology at University of California, Berkeley and a MacArthur Fellow. Harvard trained, he authored the award-winning Freud, Biologist of the Mind (1979) and Born to Rebel (1996), and has published influential research on Darwin and in evolutionary psychology and evolutionary biology. Ernst Mayr (1904-2005) was an evolutionary biologist and often called the 'Darwin of the 20th century' for his seminal contributions to evolutionary theory. Mayr is also renowned as a taxonomist, ornithologist, philosopher of science, and historian of science. He was the recipient of 17 international prizes, including the National Medal of Science and the Balzan Prize.

• Introduction; Part I. Natural Selection: 1. Variation under domestication; 2. Variation under nature; 3. The struggle for existence; 4. Natural selection; 5. Laws of variation; Part II. Difficulties Confronting the Theory of Evolution: 6. Difficulties on theory; 7. Instinct; 8. Hybridism; 9. On the imperfection of the geological record; Part III. The Evidence for Evolution: 10. On the geological succession of organic beings; 11. Geographical distribution; 12. Geographical distribution-continued; 13. Mutual affinities of organic beings: morphology, embryology and rudimentary organs; 14. Recapitulation and conclusion; 15. Darwin's scientific genius and legacy; Appendix A. Darwin's controversy with Moritz Wagner; Appendix B. Modern challenges to the biological species concept; Appendix C. Evolution by creeps or jerks: criticisms of Darwin's continuity argument; Appendix D. Systems of biological classification; List of illustrations; Acknowledgments; Glossary; References.