Science

The final edition of ‘Origin’ • ‘The Effects of Cross and Self Fertilisation in the Vegetable Kingdom’ • backgammon victories • the death of a daughter-in-law • experiments with typewriters • and a whole lot more.

Revising ‘The Movements and Habits of Climbing Plants’ • Writing ‘Insectivorous Plants’ • Beginning research on ‘The Effects of Cross and Self Fertilisation in the Vegetable Kingdom’ • Getting involved in the vivisection debate • The death of Charles Lyell

Revising ‘Coral Reefs’ and ‘The Descent of Man’, continuing work on insectivorous plants, and a second dispute with St George Jackson Mivart.

Back to botany.

Publication of the final edition of ‘The Origin of Species’, and of ‘The Expression of the Emotions in Man and Animals’.

A busy year for Darwin: ‘The Descent of Man’ published, with another book on the way, and the final edition of ‘The Origin of Species’.

Putting the finishing touches to ‘The Descent of Man’.

Researching human evolution, human and animal emotions, and sexual selection.

Researching human evolution and expressions, and revising ‘On the Origin of Species’.

Researching human evolution and expressions.