Wonders whether correspondent might possibly know of any cases in which intense concentration of the mind on one portion of the skin produces dilation of the capillary vessels and hence reddening of the area.
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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.
Wonders whether correspondent might possibly know of any cases in which intense concentration of the mind on one portion of the skin produces dilation of the capillary vessels and hence reddening of the area.
Thanks GBAD for permission to use his photographs [see 7623] and for the information on the expression of astonishment in monkeys.
More details on children with hairy backs;
reasons for greater mortality rate of male children.
Discusses breeding fancy pigeons from the wild blue rock-dove.
Sends scraps of information. Everything he has sent is unreservedly at CD’s disposal.
On the power of concentration to influence body organs.