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Darwin, C. R. in correspondent 
Ramsay, A. C. in correspondent 
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DCP-LETT-8116

From:
Charles Robert Darwin
To:
Andrew Crombie Ramsay
Date:
21 Dec [1871]
Source of text:
DAR 261.9: 6 (EH 88205979)
Summary:

Requests further information on subsidence of flagstones because of action of worms.

Contributor:
Darwin Correspondence Project

DCP-LETT-8122

From:
Andrew Crombie Ramsay
To:
Charles Robert Darwin
Date:
27 Dec 1871
Source of text:
DAR 176: 17
Summary:

Sends description and measurements of the 18th century courtyard pavement of his house, the stones of which have sunk as a result of earthworm action [see Earthworms, pp. 192–3].

Contributor:
Darwin Correspondence Project
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