From:
Charles Robert Darwin
To:
John Scott Burdon Sanderson, 1st baronet
Date:
30 Apr [1876]
Source of text:
University of British Columbia Library, Rare Books and Special Collections (Darwin - Burdon Sanderson letters RBSC-ARC-1731-1-01)
Summary:
Suggests JSBS’s new machine for observing arterial action be used to test CD’s hypothesis that blushing is caused by thinking intensely about a part of the body and thus releasing the arteries.
Contributor:
Darwin Correspondence Project