Corrects CD on his assertion that the platysma myoides "cannot voluntarily be brought into action" [Descent 1: 19].
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The Charles Darwin Collection
The Darwin Correspondence Project is publishing letters written by and to the naturalist Charles Darwin (1809–1882). Complete transcripts of letters are being made available through the Project’s website (www.darwinproject.ac.uk) after publication in the ongoing print edition of The Correspondence of Charles Darwin (Cambridge University Press 1985–). Metadata and summaries of all known letters (c. 15,000) appear in Ɛpsilon, and the full texts of available letters can also be searched, with links to the full texts.
Corrects CD on his assertion that the platysma myoides "cannot voluntarily be brought into action" [Descent 1: 19].
Emotional states leading to contraction of the platysma. Contraction of skin muscles.
Movement of hair; action of occipito-frontalis muscle.