Darwin from Descent of Man to Emotions "confirmed invalid" and at his brother Eramus's over Christmas 1872 sat drawing up his will. Darwin recovered and pressed on with several projects. He subsequently tackled a new edition of the "Descent of Man", incorporating ideas from Galton and new anecdotes. The manuscript was completed in April 1874, and the new edition was published on 13 November. Darwin continued his work following this period. Darwin from Descent of Man to Emotions Between 1868 and 1872, the life and work of Charles Darwin from "Descent of Man" to "Emotions" continued with aspects of his intended "Big Book" on evolution through natural
The Expression of the Emotions in Man and Animals initial correspondence with the psychiatrist James Crichton-Browne Darwin set aside his material concerning emotional expression in order to complete "The Descent of Man", which covered human ancestry and sexual selection. Darwin concluded work on "The Descent of Man" on 15 January 1871. Two days later, he started on "The Expression of the Emotions" and, on 22 August 1872, he finished work on the proofs. In this book, Darwin brings his evolutionary theory into close approximation with behavioural science, although many Darwin scholars have remarked on a kind of spectral Lamarckism haunting the text of the "Emotions". Universal Nature of Expression: