On the Origin of Species
On the Origin of Species is about Natural Selection and Survival of the Fittest
Chapter 10b
Extinction →

Chapter 10c
The Forms of Life changing almost simultaneously throughout the World →

Chapter 10d
The mutual affinities of extinct and living species →

Chapter 10e
Variation under Domestication →

Chapter 10f
Summary of the preceding and present Chapters →

Chapter 11
Geographical Distribution →

Chapter 11b
Geographical Distribution →

Chapter 11c
Means of Dispersal →

Chapter 11d
Means Dispersal during the Glacial period →

Chapter 11e
Means Dispersal during the Glacial period →

Chapter 11f
Means Dispersal during the Glacial period →

Chapter 12
Geographical Distribution →