CHAPTER 2.VII .-- Geographical Distribution, 1867-1882.
CHAPTER 2.VIII .-- Man, 1860-1882.

2.VIII.I.Descent of Man, 1860-1882.
2.VIII.II.Sexual Selection, 1866-1872.

2.VIII.III.

Expression, 1868-1874.
CHAPTER 2.IX .-- Geology, 1840-1882.

2.IX.I.Vulcanicity and Earth-movements, 1840-1881.