From:
Joseph Warner Clark
To:
Charles Robert Darwin
Date:
25 June 1875
Source of text:
DAR 161: 154
Summary:
Observations of fear in animals marked by dilation of pupils.
Contributor:
Darwin Correspondence Project
Showing 1–3 of 3 items
Observations of fear in animals marked by dilation of pupils.
Examples of pupillary dilation.
An example of inheritance confined to one sex.