The Expression of the Emotions in Man and Animals is a book by the British naturalist Charles Darwin published in 1872, on how humans and non-human animals^[1] express their emotions. It was, along with his 1871 book The Descent of Man and Selection in Relation to Sex, part of Darwin's attempt to address questions of human origins and human psychology using his theory of evolution by natural selection.

Figure 21, "Horror and Agony", from a photograph by Guillaume Duchenne (more images)

Darwin noted the universal nature of facial expressions in the book: "...the young and the old of widely different races, both with man and animals, express the same state of mind by the same movements."

He became diverted into making extensive revisions to the Origin of Species, then in the spring of 1872 Darwin pressed on with The Expression of Emotions in Man and Animals, pointing to shared evolution in contrast to Charles Bell's Anatomy and Physiology of Expression which claimed divinely created muscles to express man's exquisite feelings. Darwin drew on world wide responses to his questionnaires, hundreds of photographs of actors, babies and "imbeciles" in an asylum, as well as his own observations, with particular empathy for the grief following a family death.

Figure 4: "A small dog watching a cat on a table", made from a photograph by Oscar Gustave Rejlander

References

1. ↑ Largely birds and mammals

External links

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Free e-book versions available on the internet:

• Google Book Search:
  • Published 1872 by John Murray, London
  • Published 1890 by D. Appleton and Company, London
  • Published 1913 by D. Appleton and Company, London
• Project Gutenberg: New York, D. Appleton and Company, 1899
• Chimpanzee Facial Expression & Vocalizations
• Dog Laughter Vocalization Spectograph

See also

• Friedrich Gustav Jakob Henle, whose book figures 2 and 3 are borrowed from
• Laughter
• Gelotology

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