Chapter 1: Variation Under Domestication
Charles DarwinChapter 10: On the Geological Succession of Organic Beings
Charles DarwinChapter 11: Geographical Distribution
Charles DarwinChapter 12: Geographical Distribution (cont)
Charles DarwinChapter 13: Mutual Affinities of Organic Beings: Morphology
Charles DarwinChapter 14: Recapitulation and Conclusion
Charles DarwinChapter 2: Variation Under Nature
Charles DarwinChapter 3: Struggle for Existence
Charles DarwinChapter 4: Natural Selection; Or The Survival Of The Fittest
Charles DarwinChapter 6: Difficulties of Theory
Charles Darwin