Text Online
From:
Wedgwood, L. C.
To:
Darwin, Horace
Date:
[18 November 1872]
Source of text:
DAR 258: 1979
Summary:
No summary available.
Contributor:
Darwin Family Letters
Showing 1–5 of 5 items
No summary available.
P.S. Information on earthworm activity on chalk downs, including two rough sketches for CD.
Worm-casts on a ridged hill.
Gives results of probing worm-holes with wire.
Describes earthworm experiments. She has measured depth of mould in various locales, e.g., on ridges and furrows of an old ploughed field.