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DCP-LETT-9370A

From:
John Scott Burdon Sanderson, 1st baronet
To:
Charles Robert Darwin
Date:
23 Mar [1874]
Source of text:
University of British Columbia Library, Rare Books and Special Collections (Darwin - Burdon Sanderson letters RBSC-ARC-1731-1-36)
Summary:

Thanks for MS which he intends to read while on a week’s holiday.

Sends thanks for Francis Darwin’s offer of help and says that Francis’s experiments on digestion are complete.

Contributor:
Darwin Correspondence Project

DCP-LETT-9378A

From:
John Scott Burdon Sanderson, 1st baronet
To:
Charles Robert Darwin
Date:
30 Mar [1874]
Source of text:
University of British Columbia Library, Rare Books and Special Collections (Darwin - Burdon Sanderson letters RBSC-ARC-1731-1-28); DAR 58.2: 59–64
Summary:

Sends results of experiments on digestion. Encloses two sets of notes: "Experiments on the digestibility of certain preparations sent by Mr Darwin" and "Note for Mr Darwin" [marked by CD for insertion in ch. 6 of Insectivorous plants].

Contributor:
Darwin Correspondence Project

DCP-LETT-9853B

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

DCP-LETT-9917A

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

DCP-LETT-9922A

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

DCP-LETT-9909A

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

DCP-LETT-9923A

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

DCP-LETT-9930A

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

DCP-LETT-9945A

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

DCP-LETT-9953A

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

DCP-LETT-9958A

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

DCP-LETT-9972A

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

DCP-LETT-9974A

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

DCP-LETT-9989A

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

DCP-LETT-12052A

From:
John Scott Burdon Sanderson, 1st baronet
To:
Charles Robert Darwin
Date:
14 May 1879
Source of text:
University of British Columbia Library, Rare Books and Special Collections (Darwin - Burdon Sanderson letters RBSC-ARC-1731-1-41)
Summary:

Has received CD’s letter [see 12050]. Gives CD the history of the Baly Medal and names previous recipients. It is not necessary for CD to be present for the award, but if he chooses to attend, arrangements could be made for him to arrive just before the presentation. CD will not be required to make an acceptance speech.

Contributor:
Darwin Correspondence Project

DCP-LETT-8948

From:
Charles Robert Darwin
To:
John Scott Burdon Sanderson, 1st baronet
Date:
24 June 1873
Source of text:
University of British Columbia Library, Rare Books and Special Collections (Darwin - Burdon Sanderson letters RBSC-ARC-1731-1-10)
Summary:

Wishes JSBS to look over an abstract of his Drosera experiments and to answer some questions on it.

Contributor:
Darwin Correspondence Project

DCP-LETT-8952

From:
Charles Robert Darwin
To:
John Scott Burdon Sanderson, 1st baronet
Date:
26 June [1873]
Source of text:
University of British Columbia Library, Rare Books and Special Collections (Darwin - Burdon Sanderson letters RBSC-ARC-1731-1-08)
Summary:

Would welcome JSBS visit to discuss Drosera. Nitrogenous fluids can act as ferments only if they act merely by exciting molecular movement in adjoining molecules.

Glass and cotton excite movement and cause cell contents to change visibly. Huxley coming to see this phenomenon.

Studied effect of poisons 12 or 15 years ago to see whether the action was similar to that on nervous tissue.

Contributor:
Darwin Correspondence Project

DCP-LETT-8987

From:
Charles Robert Darwin
To:
John Scott Burdon Sanderson, 1st baronet
Date:
25 July 1873
Source of text:
University of British Columbia Library, Rare Books and Special Collections (Darwin - Burdon Sanderson letters RBSC-ARC-1731-1-11)
Summary:

Describes his recent work on Drosera digestion of organic materials, e.g., albumen and gelatin. Edward Frankland has given CD a rough test for pepsin. Some plant extracts cause as much inflection as meat. Has found some reversible inflection with heat and perhaps some heat rigor. Has measured the extreme sensitivity of Drosera with very dilute solution of ammonium phosphate.

Contributor:
Darwin Correspondence Project

DCP-LETT-9013

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

Thinks it would be worth while testing for electrical changes in the leaves of insectivorous plants.

Contributor:
Darwin Correspondence Project

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
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