Diagram of the muscles of the face from Darwin. Sir C. Bell ref. page 24, Darwin, C. R. 1872. 'The expression of the emotions in man and animals'. Lon

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Diagram of the muscles of the face from Darwin. Sir C. Bell ref. page 24, Darwin, C. R. 1872. 'The expression of the emotions in man and animals'. London: John Murray. First edition. Darwin used this striking illustration to show how many facial muscles could be deployed to indicate human emotion.

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Keywords: -, ., 1872, bell, black, book, charles, darwin, drawing, emotions, expression, face, facial, illustration, line, muscle, muscles, sir, white