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To J. S. Burdon Sanderson   5 May [1874]

Summary

Thanks for the acid digestion experiments, which can be printed as they are. CD trying Drosera on dentine and enamel.

Author:  Charles Robert Darwin
Addressee:  John Scott Burdon Sanderson, baronet
Date:  5 May [1874]
Classmark:  University of British Columbia Library, Rare Books and Special Collections (Darwin - Burdon Sanderson letters RBSC-ARC-1731-1-4)
Letter no:  DCP-LETT-9441

From J. S. Burdon Sanderson   12 May [1874]

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Summary

Reports results of experiments comparing digestibility of gluten and fibrin for CD’s work on Drosera.

Author:  John Scott Burdon Sanderson, baronet
Addressee:  Charles Robert Darwin
Date:  12 May [1874]
Classmark:  DAR 58.1: 51–2
Letter no:  DCP-LETT-9456

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

From J. S. Burdon Sanderson   26 May [1874]

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Summary

Sends CD provisional information that artificial gastric juice dissolves bone entirely and that gluten and fibrin are completely dissolved in hydrochloric, propionic, and butyric acids. [See Insectivorous plants, pp. 118–19.]

Author:  John Scott Burdon Sanderson, baronet
Addressee:  Charles Robert Darwin
Date:  26 May [1874]
Classmark:  DAR 58.1: 54–5
Letter no:  DCP-LETT-9470

To J. S. Burdon Sanderson   27 May [1874]

Summary

Thanks JSBS for his work. CD concludes the ferment of Drosera must differ from pepsin.

Author:  Charles Robert Darwin
Addressee:  John Scott Burdon Sanderson, baronet
Date:  27 May [1874]
Classmark:  University of British Columbia Library, Rare Books and Special Collections (Darwin - Burdon Sanderson letters RBSC-ARC-1731-1-3)
Letter no:  DCP-LETT-9473
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