Chapters in this book

1. Frontmatter i
2. Contents vii
3. Preface ix
4. Correspondence between Chapters in the First Edition of the Origin and the Chapters in This Book xiv
5. Acknowledgments xv
6. Introduction: Charles Darwin and the Origin of Species 1
7. Part One. Natural Selection
8. Chapter 1. Preamble to Natural Selection 29
9. Chapter 2. Variation under Domestication 38
10. Chapter 3. Variation under Nature I 56
11. Chapter 4. The Struggle for Existence 66
12. Chapter 5. Natural Selection I 77
13. Chapter 6. Laws of Variation 102
14. Chapter 7. Evolution Today: A Modern Perspective on Natural Selection 119
15. Part Two. Speciation
16. Chapter 8. Preamble to Speciation 137
17. Chapter 9. Variation under Nature II 152
18. Chapter 10. Natural Selection II 164
19. Chapter 11. Hybridism 190
20. Chapter 12. Evolution Today: The Mosquitoes of the London Underground 205
21. Part Three. Theory
22. Chapter 13. Preamble: What Is a Theory? 219
23. Chapter 14. Difficulties on Theory 227
24. Chapter 15. Instinct 250
25. Chapter 16. Geology I: Background 264
26. Chapter 17. Geology II: On the Imperfection of the Geological Record 275
27. Chapter 18. Geology III: On the Geological Succession of Organic Beings 288
28. Chapter 19. Geology IV: Evolution Today 301
29. Chapter 20. Geographical Distribution 314
30. Chapter 21. Geographical Distribution, Continued 331
31. Chapter 22. Mutual Affinities of Organic Beings: Morphology: Embryology: Rudimentary Organs 346
32. Chapter 23. Recapitulation and Conclusion 381
33. Chapter 24. Evolution Today: The Witness Has Been Found, Again and Again 401
34. Illustration Credits 417
35. Index 419