From:
Lucy Caroline Wedgwood; Lucy Caroline Harrison
To:
Charles Robert Darwin
Date:
20 Jan [1872]
Source of text:
DAR 94: 1b
Summary:
Gives results of probing worm-holes with wire.
Contributor:
Darwin Correspondence Project
From:
Lucy Caroline Wedgwood; Lucy Caroline Harrison
To:
Charles Robert Darwin
Date:
[8 Feb 1872]
Source of text:
DAR 63: 79–80
Summary:
Describes earthworm experiments. She has measured depth of mould in various locales, e.g., on ridges and furrows of an old ploughed field.
Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Lucy Caroline Wedgwood; Lucy Caroline Harrison
Date:
5 Jan [1872]
Source of text:
Cambridge University Library (Add 4251: 331)
Summary:
Asks her to probe worm-holes on grassy slopes with a knitting needle to ascertain whether they come out at right angles to the slope or to the horizon.
Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Lucy Caroline Wedgwood; Lucy Caroline Harrison
Date:
21 Jan [1872]
Source of text:
Cambridge University Library (Add 4251: 332)
Summary:
Thanks for observations on angles of worm-holes on slopes. William Darwin is observing at Stonehenge. She is worth her weight in gold.
Contributor:
Darwin Correspondence Project
