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DCP-LETT-9047

From:
Charles Robert Darwin
To:
John Scott Burdon Sanderson, 1st baronet
Date:
9 Sept [1873]
Source of text:
University of British Columbia Library, Rare Books and Special Collections (Darwin - Burdon Sanderson letters RBSC-ARC-1731-1-14)
Summary:

Pleased JSBS has decided to work on Drosera; sends plants. Does not know whether thermo-electric pile could detect temperature change when leaves close.

CD’s experiment with very weak hydrochloric acid repeated with success: the plants digest albumen more quickly.

Contributor:
Darwin Correspondence Project

DCP-LETT-9055

From:
Charles Robert Darwin
To:
John Scott Burdon Sanderson, 1st baronet
Date:
13 Sept [1873]
Source of text:
University of British Columbia Library, Rare Books and Special Collections (Darwin - Burdon Sanderson letters RBSC-ARC-1731-1-15)
Summary:

Thanks JSBS for telegraphing his results, which seem very remarkable; feels he should now try Drosera.

Contributor:
Darwin Correspondence Project

DCP-LETT-9056

From:
Charles Robert Darwin
To:
John Scott Burdon Sanderson, 1st baronet
Date:
14 Sept [1873]
Source of text:
University of British Columbia Library, Rare Books and Special Collections (Darwin - Burdon Sanderson letters RBSC-ARC-1731-1-9)
Summary:

Very pleased at JSBS’s discovery ["On the electrical phenomena which accompany the contractions of the leaf of Dionaea muscipula", Rep. BAAS 43 (1873): 133].

Asks for pure animal substances [proteins] for Drosera experiments. His other sources have been T. L. Brunton, Edward Frankland, W. A. Miller (now dead), and Hoffmann of Berlin [A. W. von Hofmann?].

Contributor:
Darwin Correspondence Project
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