From:
Charles Robert Darwin
To:
William Erasmus Darwin
Date:
5 Feb [1881]
Source of text:
DAR 210.6: 175
Summary:
Discusses investments.
The action of worms when drawing leaves into their burrows.
Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Joseph Henry Gilbert
Date:
5 Feb 1881
Source of text:
Rothamsted Research (GIL13)
Summary:
Asks whether vegetable mould has an acid reaction. The contents of intestines of earthworms and castings are acid, which leads him to inquire about mould.
Contributor:
Darwin Correspondence Project