From:
Charles Robert Darwin
To:
James Dixon
Date:
8 May 1880
Source of text:
Cambridge University Library (MS Add. 6604: 17)
Summary:
Thanks for information.
Contributor:
Darwin Correspondence Project
Showing 1–2 of 2 items
Thanks for information.
Corrects CD’s statement [Descent 1: 19] that the platysma myoides muscle cannot be brought into voluntary action. He can move every one of his facial muscles.