From:
William Erasmus Darwin
To:
Charles Robert Darwin
Date:
[29 Feb 1872]
Source of text:
DAR 162: 102
Summary:
Amount of clay present in certain chalk samples.
Contributor:
Darwin Correspondence Project
Showing 1–2 of 2 items
Amount of clay present in certain chalk samples.
Received copy of Origin 6th ed. Has had trouble with worm measurements at Winchester.