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To Edward Frankland   9 March [1874]

Summary

Requests EF’s vote and support in favour of Henry Parker for membership in the Athenaeum.

Author:  Charles Robert Darwin
Addressee:  Edward Frankland
Date:  9 Mar [1874]
Classmark:  The John Rylands Library, The University of Manchester
Letter no:  DCP-LETT-9347A

To Edward Frankland   12 April 1874

Summary

Finding that the leaves of Drosera digest all the phosphate of lime out of bones and then remain clasped over the bones for a long time, CD wants to determine whether it is the phosphate of lime or the animal matter in the bones that keeps them clasped. He asks EF to send 2 or 3 grams of pure phosphate of lime for his testing. [See 9411.] Will experiment in the summer using EF’s suggestion that leaves might serve to test weak sewage. Results of Sanderson’s experiments with acids of great use.

Author:  Charles Robert Darwin
Addressee:  Edward Frankland
Date:  12 Apr 1874
Classmark:  The John Rylands Library, The University of Manchester
Letter no:  DCP-LETT-9405A

From Edward Frankland   15 April 1874

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Summary

Sends some phosphates of lime free of animal matter [see Insectivorous plants, p. 109].

Author:  Edward Frankland
Addressee:  Charles Robert Darwin
Date:  15 Apr 1874
Classmark:  DAR 58.1: 49–50
Letter no:  DCP-LETT-9411

To Edward Frankland   17 April 1874

Summary

Thanks for the pure phosphate of lime.

Author:  Charles Robert Darwin
Addressee:  Edward Frankland
Date:  17 Apr 1874
Classmark:  The John Rylands Library, The University of Manchester
Letter no:  DCP-LETT-9415A

To Edward Frankland   22 April [1874]

Summary

Requests permission to call briefly to discuss Drosera.

Author:  Charles Robert Darwin
Addressee:  Edward Frankland
Date:  22 Apr [1874]
Classmark:  The John Rylands Library, The University of Manchester
Letter no:  DCP-LETT-9424A

From Edward Frankland   26 April 1874

Summary

Bullfinches’ instinctive capacity for removing nectaries from cowslips.

Author:  Edward Frankland
Addressee:  Charles Robert Darwin
Date:  26 Apr 1874
Classmark:  DAR 164: 210
Letter no:  DCP-LETT-9430

To Edward Frankland   28 April [1874]

Summary

Thanks for letter relating to domesticated bullfinches’ instinctively cutting off cowslips [see 9430]. Suggests observing whether the birds swallow any part of flower or particular parts.

Author:  Charles Robert Darwin
Addressee:  Edward Frankland
Date:  28 Apr [1874]
Classmark:  The John Rylands Library, The University of Manchester
Letter no:  DCP-LETT-9432A

From Edward Frankland   30 April 1874

Summary

Variation in bullfinches’ instinctive ability to remove nectaries and ovaries from cowslips.

Author:  Edward Frankland
Addressee:  Charles Robert Darwin
Date:  30 Apr 1874
Classmark:  DAR 164: 211
Letter no:  DCP-LETT-9435

To Edward Frankland   14 May [1874]

Summary

Requests sewage water (and oleic acid) for experiments to determine sensitivity of leaves [of Drosera].

Author:  Charles Robert Darwin
Addressee:  Edward Frankland
Date:  14 May [1874]
Classmark:  The John Rylands Library, The University of Manchester
Letter no:  DCP-LETT-9460A

To Edward Frankland   20 May [1874]

Summary

Thanks for the sewage water and the oleic acid. The former does not seem to act.

Author:  Charles Robert Darwin
Addressee:  Edward Frankland
Date:  20 May [1874]
Classmark:  The John Rylands Library, The University of Manchester
Letter no:  DCP-LETT-9462A

To Edward Frankland   22 July 1874

Summary

Asks for the specific gravity of common phosphate of ammonia.

Author:  Charles Robert Darwin
Addressee:  Edward Frankland
Date:  22 July 1874
Classmark:  The John Rylands Library, The University of Manchester
Letter no:  DCP-LETT-9559A

To Edward Frankland   31 August 1874

Summary

Utricularia catch freshwater Crustaceans, which cannot be digested and rot in the bladders. CD is interested to identify any substance produced in the putrefaction before it is resolved into gases and salts of ammonia. He has reason to believe that the plant absorbs such products.

Author:  Charles Robert Darwin
Addressee:  Edward Frankland
Date:  31 Aug 1874
Classmark:  The John Rylands Library, The University of Manchester
Letter no:  DCP-LETT-9614A

From Edward Frankland   9 October 1874

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Summary

Sends information CD requested on phosphate of ammonia and on nitrogenous substances produced during putrefaction of animal matter.

Author:  Edward Frankland
Addressee:  Charles Robert Darwin
Date:  9 Oct 1874
Classmark:  DAR 58.1: 97–8
Letter no:  DCP-LETT-9671

To Edward Frankland   11 October 1874

Summary

Acknowledges the information about the phosphate and about putrefaction. Regrets that there is no knowledge of the conjectured substance. [See 9671.]

Author:  Charles Robert Darwin
Addressee:  Edward Frankland
Date:  11 Oct 1874
Classmark:  The John Rylands Library, The University of Manchester
Letter no:  DCP-LETT-9673A
Document type
letter (14)
Addressee
Correspondent
Date
1874
03 (1)
04 (7)
05 (2)
07 (1)
08 (1)
10 (2)
letter