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From:
Charles Robert Darwin
To:
John Scott Burdon Sanderson, 1st baronet
Date:
21 Aug [1874]
Source of text:
University of British Columbia Library, Rare Books and Special Collections (Darwin - Burdon Sanderson letters RBSC-ARC-1731-1-25); DAR 147: 415 (copy)
Summary:

Reports difficulties in experiments on digestion of fibro-cartilage. Asks about JSBS’s experiments with artificial digestive fluids.

JSBS must read Hooker’s address at Belfast [Rep. BAAS 44 (1874): 103–16] to see what a magnificent digester Nepenthes is.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
John Scott Burdon Sanderson, 1st baronet
Date:
9 Oct 1874
Source of text:
University of British Columbia Library, Rare Books and Special Collections (Darwin - Burdon Sanderson letters RBSC-ARC-1731-1-19)
Summary:

Has been testing the digestive powers of Drosera; wants to know whether a group of substances that elicit similar responses are related.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
John Scott Burdon Sanderson, 1st baronet
Date:
13 Oct 1874
Source of text:
University of British Columbia Library, Rare Books and Special Collections (Darwin - Burdon Sanderson letters RBSC-ARC-1731-1-20)
Summary:

Discusses the powers of digestion of Drosera and why certain substances produce less excitement in the plant than others.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
John Scott Burdon Sanderson, 1st baronet
Date:
10 Feb 1875
Source of text:
University of British Columbia Library, Rare Books and Special Collections (Darwin - Burdon Sanderson letters RBSC-ARC-1731-1-21)
Summary:

Has been experimenting with phosphates on Drosera and wonders whether animals digest a particular one.

Asks whether Huxley has approached him regarding the introduction of a vivisection act.

Contributor:
Darwin Correspondence Project
From:
John Scott Burdon Sanderson, 1st baronet
To:
Charles Robert Darwin
Date:
12 Feb 1875
Source of text:
University of British Columbia Library, Rare Books and Special Collections (Darwin - Burdon Sanderson letters RBSC-ARC-1731-1-39)
Summary:

Discusses the experiments with phosphates on Drosera and animals.

Considers the question of preparing a petition on the question of animal experiments, with the aim of promoting rather than hindering science. [Response to 9849.]

Contributor:
Darwin Correspondence Project
From:
John Scott Burdon Sanderson, 1st baronet
To:
Charles Robert Darwin
Date:
7 Apr [1875]
Source of text:
University of British Columbia Library, Rare Books and Special Collections (Darwin - Burdon Sanderson letters RBSC-ARC-1731-1-30)
Summary:

Sends the Memorial [concerning animal experimentation].

Contributor:
Darwin Correspondence Project
From:
John Scott Burdon Sanderson, 1st baronet
To:
Charles Robert Darwin
Date:
10 Apr 1875
Source of text:
University of British Columbia Library, Rare Books and Special Collections (Darwin - Burdon Sanderson letters RBSC-ARC-1731-1-40)
Summary:

Discusses the handling of the Memorial concerning animal experimentation.

Contributor:
Darwin Correspondence Project
From:
John Scott Burdon Sanderson, 1st baronet
To:
Charles Robert Darwin
Date:
[12 Apr 1875]
Source of text:
University of British Columbia Library, Rare Books and Special Collections (Darwin - Burdon Sanderson letters RBSC-ARC-1731-1-27)
Summary:

Considers the question of recognised lecturers being allowed a licence to perform animal experiments without having to obtain a certificate of fitness.

Contributor:
Darwin Correspondence Project
From:
John Scott Burdon Sanderson, 1st baronet
To:
Charles Robert Darwin
Date:
12 Apr [1875]
Source of text:
University of British Columbia Library, Rare Books and Special Collections (Darwin - Burdon Sanderson letters RBSC-ARC-1731-1-29)
Summary:

Discusses the best means of presenting the draft bill about animal experimentation. Suggests that CD inform Lord Derby that scientific men concurred with the bill that had been prepared. [See 9923.]

Contributor:
Darwin Correspondence Project
From:
John Scott Burdon Sanderson, 1st baronet
To:
Charles Robert Darwin
Date:
14 Apr [1875]
Source of text:
University of British Columbia Library, Rare Books and Special Collections (Darwin - Burdon Sanderson letters RBSC-ARC-1731-1-38)
Summary:

Agrees that CD should write to Lord Derby to say that a bill on animal experimentation was being prepared and that the government should not comment at this stage. [See 9933.] Ridicules the idea of using inspectors. Distinguishes between dissection and vivisection.

Contributor:
Darwin Correspondence Project
From:
John Scott Burdon Sanderson, 1st baronet
To:
Charles Robert Darwin
Date:
23 Apr [1875]
Source of text:
University of British Columbia Library, Rare Books and Special Collections (Darwin - Burdon Sanderson letters RBSC-ARC-1731-1-32)
Summary:

Further discussion about the act regulating animal experimentation; believes the licensing of places to be impracticable.

Contributor:
Darwin Correspondence Project
From:
John Scott Burdon Sanderson, 1st baronet
To:
Charles Robert Darwin
Date:
28 Apr [1875]
Source of text:
University of British Columbia Library, Rare Books and Special Collections (Darwin - Burdon Sanderson letters RBSC-ARC-1731-1-31)
Summary:

Informs CD that he has taken no further action about the petition concerning animal experimentation on the understanding that it would be presented only if the government introduced an objectionable bill. [See 9948.]

Contributor:
Darwin Correspondence Project
From:
John Scott Burdon Sanderson, 1st baronet
To:
Charles Robert Darwin
Date:
30 Apr [1875]
Source of text:
University of British Columbia Library, Rare Books and Special Collections (Darwin - Burdon Sanderson letters RBSC-ARC-1731-1-33)
Summary:

Lyon Playfair approves the bill concerning animal experimentation and would be prepared to introduce it should it be necessary. Believes a bill could be passed by Parliament by September.

Contributor:
Darwin Correspondence Project
From:
John Scott Burdon Sanderson, 1st baronet
To:
Charles Robert Darwin
Date:
6 May [1875]
Source of text:
University of British Columbia Library, Rare Books and Special Collections (Darwin - Burdon Sanderson letters RBSC-ARC-1731-1-34)
Summary:

Informs CD that Lyon Playfair would introduce the bill in the House of Commons, and that Lord Cardwell and Lord Shaftesbury had agreed to support it, the former introducing the bill in the House of Lords.

Contributor:
Darwin Correspondence Project
From:
John Scott Burdon Sanderson, 1st baronet
To:
Charles Robert Darwin
Date:
[8 May 1875]
Source of text:
University of British Columbia Library, Rare Books and Special Collections (Darwin - Burdon Sanderson letters RBSC-ARC-1731-1-37)
Summary:

Further discussion of the introduction of a bill by Lyon Playfair on animal experimentation.

Contributor:
Darwin Correspondence Project
From:
John Scott Burdon Sanderson, 1st baronet
To:
Charles Robert Darwin
Date:
23 May [1875]
Source of text:
University of British Columbia Library, Rare Books and Special Collections (Darwin - Burdon Sanderson letters RBSC-ARC-1731-1-35)
Summary:

Believes Lyon Playfair has been led to compromise too far on bill about animal experimentation as a result of pressure from men wishing to suppress science. A full enquiry is to take place. [See 9987.] Suggests that CD send Playfair Huxley’s letter on the subject.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
John Scott Burdon Sanderson, 1st baronet
Date:
16 July 1875
Source of text:
University of British Columbia Library, Rare Books and Special Collections (Darwin - Burdon Sanderson letters RBSC-ARC-1731-1-22)
Summary:

Thanks for JSBS’s essays; wishes he had said something on Lister’s observations. Speculates on the fungoid nature of smallpox and why there is seldom re-infection.

Discusses digestion by Drosera, the action of its secretion being the same as that of gastric juice.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
John Scott Burdon Sanderson, 1st baronet
Date:
30 Apr [1876]
Source of text:
University of British Columbia Library, Rare Books and Special Collections (Darwin - Burdon Sanderson letters RBSC-ARC-1731-1-01)
Summary:

Suggests JSBS’s new machine for observing arterial action be used to test CD’s hypothesis that blushing is caused by thinking intensely about a part of the body and thus releasing the arteries.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
William Darwin Fox
Date:
26 May [1876]
Source of text:
University of British Columbia Library, Rare Books and Special Collections (Pearce/Darwin Fox collection RBSC-ARC-1721-1-11)
Summary:

Caroline [Wedgwood] has been ill for the last 20 months.

James Paget to be consulted about William Darwin’s brain concussion.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
William Darwin Fox
Date:
14 Feb 1878
Source of text:
University of British Columbia Library, Rare Books and Special Collections (Pearce/Darwin Fox collection RBSC-ARC-1721-1-74)
Summary:

CD and Frank Darwin hard at work on physiology of plants.

Contributor:
Darwin Correspondence Project