CHAPTER 2.V.--The Publication of the 'Variation of Animals and Plants under
Domestication'--January 1867-June 1868.

CHAPTER 2.VI.--Work on 'Man'--1864-1870.

CHAPTER 2.VII.--The Publication of the 'Descent of Man.' Work on
'Expression'--1871-1873.

CHAPTER 2.VIII.--Miscellanea, including Second Editions of 'Coral Reefs,'
the 'Descent of Man,' and the 'Variation of Animals and Plants'--1874 and
1875.

CHAPTER 2.IX.--Miscellanea (continued). A Revival of Geological Work--The
Book on Earthworms--Life of Erasmus Darwin--Miscellaneous Letters--1876-
1882.

BOTANICAL LETTERS.

CHAPTER 2.X.--Fertilisation of Flowers--1839-1880.

CHAPTER 2.XI.--The 'Effects of Cross- and Self-Fertilisation in the
Vegetable Kingdom'--1866-1877.

CHAPTER 2.XII.--'Different Forms of Flowers on Plants of the same Species'
--1860-1878.

CHAPTER 2.XIII.--Climbing and Insectivorous Plants--1863-1875.

CHAPTER 2.XIV.--The 'Power of Movement in Plants'--1878-1881.