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 with livestock breeders and pigeon fanciers; on observations on his infant son William Erasmus Darwin ("A Biographical Sketch of an Infant" - published as a paper in the philosophical journal "Mind"), on his family's dogs and cats, and on the orangutans at London Zoo; on simple psychology experiments with members of his family concerning the recognition of emotional expression; on the neurological insights of Duchenne de Boulogne, a physician at the Salpêtrière asylum in Paris; on hundreds of photographs of actors, babies and children; and on descriptions of psychiatric patients in the West Riding Pauper Lunatic Asylum at Wakefield in