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From J. S. Burdon Sanderson   12 February 1875

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.]

Author:  John Scott Burdon Sanderson, baronet
Addressee:  Charles Robert Darwin
Date:  12 Feb [1875]
Classmark:  University of British Columbia Library, Rare Books and Special Collections (Darwin - Burdon Sanderson letters RBSC-ARC-1731-1-39)
Letter no:  DCP-LETT-9853B

Matches: 4 hits

To J. S. Burdon Sanderson   18 October [1873]

Summary

Suggests experiments on artificial digestion.

Author:  Charles Robert Darwin
Addressee:  John Scott Burdon Sanderson, baronet
Date:  18 Oct [1873]
Classmark:  University of British Columbia Library, Rare Books and Special Collections (Darwin - Burdon Sanderson letters RBSC-ARC-1731-1-26)
Letter no:  DCP-LETT-9684

Matches: 3 hits

From J. S. Burdon Sanderson   [8 May 1875]

Summary

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

Author:  John Scott Burdon Sanderson, baronet
Addressee:  Charles Robert Darwin
Date:  [8 May 1875]
Classmark:  University of British Columbia Library, Rare Books and Special Collections (Darwin - Burdon Sanderson letters RBSC-ARC-1731-1-37)
Letter no:  DCP-LETT-9974A

Matches: 3 hits

From J. S. Burdon Sanderson   23 April [1875]

Summary

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

Author:  John Scott Burdon Sanderson, baronet
Addressee:  Charles Robert Darwin
Date:  23 Apr [1875]
Classmark:  University of British Columbia Library, Rare Books and Special Collections (Darwin - Burdon Sanderson letters RBSC-ARC-1731-1-32)
Letter no:  DCP-LETT-9945A

Matches: 4 hits

To J. S. Burdon Sanderson   26 June [1873]

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.

Author:  Charles Robert Darwin
Addressee:  John Scott Burdon Sanderson, baronet
Date:  26 June [1873]
Classmark:  University of British Columbia Library, Rare Books and Special Collections (Darwin - Burdon Sanderson letters RBSC-ARC-1731-1-08)
Letter no:  DCP-LETT-8952

Matches: 3 hits

To J. S. Burdon Sanderson   24 June 1873

Summary

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

Author:  Charles Robert Darwin
Addressee:  John Scott Burdon Sanderson, baronet
Date:  24 June 1873
Classmark:  University of British Columbia Library, Rare Books and Special Collections (Darwin - Burdon Sanderson letters RBSC-ARC-1731-1-10)
Letter no:  DCP-LETT-8948

Matches: 4 hits

From J. S. Burdon Sanderson   13 August [1873]

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Summary

Answers CD’s questions of 25 July [8987] about temperatures at which cold-blooded animals are killed.

Doubts heat rigor was induced in Drosera. Gives his view of the relation of excitability to increase in temperature.

Suggests experiment to show that electrical changes in plant are the same as in animal muscle and nerve [see Insectivorous plants, p. 318].

Author:  John Scott Burdon Sanderson, baronet
Addressee:  Charles Robert Darwin
Date:  13 Aug [1873]
Classmark:  DAR 58.1: 34–7
Letter no:  DCP-LETT-9008

Matches: 4 hits

To J. S. Burdon Sanderson   19 November [1873]

Summary

Sends the very little globulin and haemoglobin he has to be tested with artificial gastric juice. He could get more from Samuel William Moore. Perhaps T. L. Brunton knows about the digestion of chlorophyll by animals.

Author:  Charles Robert Darwin
Addressee:  John Scott Burdon Sanderson, baronet
Date:  19 Nov [1873]
Classmark:  University of British Columbia Library, Rare Books and Special Collections (Darwin - Burdon Sanderson letters RBSC-ARC-1731-1-6)
Letter no:  DCP-LETT-9155

Matches: 4 hits

To J. S. Burdon Sanderson   29 March 1873

Summary

Reports that he has not received JSBS’s book on histology and physiology [Sanderson ed., Handbook for the physiological laboratory (1873)], which Edward Emmanuel Klein told CD’s son was to be sent. He asks for information so that he may thank Dr Klein. [Klein and Michael Foster were co-authors with JSBS.]

He has returned the Gazette to Dr T. L. Brunton. [See 8825.]

Author:  Charles Robert Darwin
Addressee:  John Scott Burdon Sanderson, baronet
Date:  29 Mar 1873
Classmark:  DAR 147: 406
Letter no:  DCP-LETT-8829A

Matches: 3 hits

  • … Darwin, C. R. Burdon Sanderson, J. S. …
  • … To J.  S.  Burdon Sanderson   29 March 1873 …
  • Burdon Sanderson was professorial superintendent of the institution, and had edited Klein’s Handbook for the physiological laboratory (Klein et al. 1873). There is a copy of Klein et al. 1873 in the Darwin Library–Down. CD had borrowed a copy of the Indian Medical Gazette belonging to Thomas Lauder Brunton; it contained an article about tumbling behaviour in pigeons ( W.  J.   …

To J. S. Burdon Sanderson   21 June [1874]

Summary

Thanks for fibrin. Drosera and Pinguicula dissolve it thoroughly.

Author:  Charles Robert Darwin
Addressee:  John Scott Burdon Sanderson, baronet
Date:  21 June [1874]
Classmark:  University of British Columbia Library, Rare Books and Special Collections (Darwin - Burdon Sanderson letters RBSC-ARC-1731-1-2)
Letter no:  DCP-LETT-9504

Matches: 7 hits

  • … Darwin, C. R. Burdon Sanderson, J. S. …
  • … To J.  S.  Burdon Sanderson   21 June [1874] …
  • … this letter and the letter from J.  S.  Burdon Sanderson, 19 June 1874 . This letter was …
  • … Correspondence vol. 22, letter from J.  S.  Burdon Sanderson, 19 June 1874 . CD described …
  • … Correspondence vol. 22, letter to J. S. Burdon Sanderson, 14 May 1874 , and Insectivorous …
  • … acids (see ibid. , letter from J.  S.  Burdon Sanderson, 26 May [1874] ). The second part …
  • … see Correspondence vol. 22, letter to J.  S.  Burdon Sanderson, 12 June 1874  and n.  1). …

To J. S. Burdon Sanderson   14 May 1874

Summary

Discusses digestion by insectivorous plants, asks JSBS to try same experiments using pepsin as the digestive agent to see how the results compare with CD’s observations on digestive power of Drosera.

Author:  Charles Robert Darwin
Addressee:  John Scott Burdon Sanderson, baronet
Date:  14 May 1874
Classmark:  University of British Columbia Library, Rare Books and Special Collections (Darwin - Burdon Sanderson letters RBSC-ARC-1731-1-17)
Letter no:  DCP-LETT-9459

Matches: 5 hits

From J. S. Burdon Sanderson   30 April [1875]

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.

Author:  John Scott Burdon Sanderson, baronet
Addressee:  Charles Robert Darwin
Date:  30 Apr [1875]
Classmark:  University of British Columbia Library, Rare Books and Special Collections (Darwin - Burdon Sanderson letters RBSC-ARC-1731-1-33)
Letter no:  DCP-LETT-9958A

Matches: 4 hits

From J. S. Burdon Sanderson   19 June 1874

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Summary

Sends cartilage from cat’s ear, the elastic fibres of which will probably resist digestion [by Drosera]. Is preparing fibro-cartilage, which he expects will be digested easily. [See Insectivorous plants, p. 104.]

Author:  John Scott Burdon Sanderson, baronet
Addressee:  Charles Robert Darwin
Date:  19 June 1874
Classmark:  DAR 58.1: 60–1
Letter no:  DCP-LETT-9502

Matches: 3 hits

To J. S. Burdon Sanderson   13 September [1873]

Summary

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

Author:  Charles Robert Darwin
Addressee:  John Scott Burdon Sanderson, baronet
Date:  13 Sept [1873]
Classmark:  University of British Columbia Library, Rare Books and Special Collections (Darwin - Burdon Sanderson letters RBSC-ARC-1731-1-15)
Letter no:  DCP-LETT-9055

Matches: 3 hits

From J. S. Burdon Sanderson   30 March [1874]

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].

Author:  John Scott Burdon Sanderson, baronet
Addressee:  Charles Robert Darwin
Date:  30 Mar [1874]
Classmark:  University of British Columbia Library, Rare Books and Special Collections (Darwin - Burdon Sanderson letters RBSC-ARC-1731-1-28); DAR 58.2: 59–64
Letter no:  DCP-LETT-9378A

Matches: 5 hits

To J. S. Burdon Sanderson   21 August [1874]

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.

Author:  Charles Robert Darwin
Addressee:  John Scott Burdon Sanderson, baronet
Date:  21 Aug [1874]
Classmark:  University of British Columbia Library, Rare Books and Special Collections (Darwin - Burdon Sanderson letters RBSC-ARC-1731-1-25); DAR 147: 415 (copy)
Letter no:  DCP-LETT-9605

Matches: 3 hits

  • … Darwin, C. R. Burdon Sanderson, J. S. …
  • … To J.  S.  Burdon Sanderson   21 August [1874] …
  • Burdon Sanderson had also suggested soaking gluten in weak hydrochloric acid to remove the starch before putting it on Drosera (sundew) leaves. Francis Darwin’s experiments with fibro-cartilage are reported in Insectivorous plants , p.  104. Hyaline: glassy. Joseph Dalton Hooker read an address to the department of botany and zoology at the annual meeting of the British Association for the Advancement of Science, which took place in Belfast from 19 to 26 August 1874 ( J.   …

To J. S. Burdon Sanderson   12 June 1874

Summary

JSBS’s article in Nature ["Venus’s fly-trap", 10 (1874): 105–7, 127–8] could not have been better done.

Has found another plant, Pinguicula, which can catch and digest flies.

Author:  Charles Robert Darwin
Addressee:  John Scott Burdon Sanderson, baronet
Date:  12 June 1874
Classmark:  University of British Columbia Library, Rare Books and Special Collections (Darwin - Burdon Sanderson letters RBSC-ARC-1731-1-18)
Letter no:  DCP-LETT-9489

Matches: 2 hits

To J. S. Burdon Sanderson   9 October 1874

Summary

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

Author:  Charles Robert Darwin
Addressee:  John Scott Burdon Sanderson, baronet
Date:  9 Oct 1874
Classmark:  University of British Columbia Library, Rare Books and Special Collections (Darwin - Burdon Sanderson letters RBSC-ARC-1731-1-19)
Letter no:  DCP-LETT-9669

Matches: 3 hits

To J. S. Burdon Sanderson   15 and 19 April [1875]

Summary

Has written to Lord Derby about the vivisection issue and urged him to speak to the proper members of the Cabinet to prevent "hasty legislation versus science". CD offered to send the sketch of the bill that has been drafted or a small deputation to wait on any member of the Cabinet. Lubbock does not think the petition should be presented as he feels sure that nothing will be done this session.

Author:  Charles Robert Darwin
Addressee:  John Scott Burdon Sanderson, baronet
Date:  15 and 19 Apr 1875
Classmark:  University of the Witwatersrand, Historical Papers Research Archive (A237f, letters to Sir John Burdon Sanderson)
Letter no:  DCP-LETT-9934

Matches: 2 hits

To J. S. Burdon Sanderson   [11 April 1875]

Summary

"We have not a day to lose if our [Vivisection] Bill or our petition is to do any good". Reports on the activities of the opposition and the attitude of politicians on the subject. Believes a meeting with a minister should be arranged and thinks Lord Derby would be a good man. "All will depend on some half-dozen or 9 or 12 men agreeing on the bill."

Author:  Charles Robert Darwin
Addressee:  John Scott Burdon Sanderson, baronet
Date:  [11 Apr 1875]
Classmark:  University of the Witwatersrand, Historical Papers Research Archive (A237f, letters to Sir John Burdon Sanderson)
Letter no:  DCP-LETT-9923

Matches: 3 hits

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