From:
Charles Robert Darwin
To:
Hubert Airy
Date:
5 Apr [1871]
Source of text:
DAR 143: 15
Summary:
Discusses loss of voluntary movement of ears in man and monkey.
Contributor:
Darwin Correspondence Project
Discusses loss of voluntary movement of ears in man and monkey.
Discusses movement of ears and contraction of the platysma.
Discusses phyllotaxy, citing work of Carl Nägeli and Chauncey Wright.