From:
Charles Robert Darwin
To:
James Crichton-Browne
Date:
17 Apr [1873]
Source of text:
DAR 143: 344
Summary:
Photographs sent by JC-B show great power of acting.
David Ferrier’s researches sound wonderful. Does he believe that he excites an idea and this leads to the movement, or that he acts directly on the motor nerves?
Contributor:
Darwin Correspondence Project