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 |
To Edward Frankland 13 October 1873
Summary
Finds the negative information sent by EF of great interest [see 9094].
More on his own experiments and the perplexing results when using the sensitive litmus paper.
Author: | Charles Robert Darwin |
Addressee: | Edward Frankland |
Date: | 13 Oct 1873 |
Classmark: | The John Rylands Library, The University of Manchester |
Letter no: | DCP-LETT-9096A |
From Edward Frankland 15 July 1873
Author: | Edward Frankland |
Addressee: | Charles Robert Darwin |
Date: | 15 July 1873 |
Classmark: | DAR 164: 206 |
Letter no: | DCP-LETT-8979 |
To [W. W. Baxter?] 11 May [1873]
Summary
Requests litmus paper and gum.
Author: | Charles Robert Darwin |
Addressee: | William Walmisley Baxter |
Date: | 11 May [1873] |
Classmark: | Columbia University in the City of New York, Rare Book and Manuscript Library (Herter Box 1) |
Letter no: | DCP-LETT-8319 |
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 |
From Edward Frankland 15 April 1874
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 18 July [1873]
Summary
Agrees to delay sending the fluid [from the glands of Drosera] until early October. Will try suggestion about pepsin. [See 8981.]
Author: | Charles Robert Darwin |
Addressee: | Edward Frankland |
Date: | 18 July [1873] |
Classmark: | The John Rylands Library, The University of Manchester |
Letter no: | DCP-LETT-8982A |
To Edward Frankland 29 May [1879]
Summary
Hearty thanks for the two bottles of pure water.
Author: | Charles Robert Darwin |
Addressee: | Edward Frankland |
Date: | 29 May [1879] |
Classmark: | The John Rylands Library, The University of Manchester |
Letter no: | DCP-LETT-10001A |
From Edward Frankland 30 April 1874
Author: | Edward Frankland |
Addressee: | Charles Robert Darwin |
Date: | 30 Apr 1874 |
Classmark: | DAR 164: 211 |
Letter no: | DCP-LETT-9435 |
To Edward Frankland 2 December [1878]
Summary
Thanks for the Blue Book [Report to the Local Government Board on the water supplied to London].
Gives instructions for sending the pure water.
Has sent for the Wenham ice.
Enjoyed his talk with EF.
Author: | Charles Robert Darwin |
Addressee: | Edward Frankland |
Date: | 2 Dec [1878] |
Classmark: | The John Rylands Library, The University of Manchester (Frankland Collection 2230) |
Letter no: | DCP-LETT-11768A |
To Edward Frankland 16 July [1873]
Summary
Thanks EF for his offer of assistance. Could the viscid secretions [in glands of Drosera] contain pepsin? Will the sodium carbonate render the testing of organic matter difficult? [See 8979.] Will send the fluid in a fortnight.
Author: | Charles Robert Darwin |
Addressee: | Edward Frankland |
Date: | 16 July [1873] |
Classmark: | The John Rylands Library, The University of Manchester |
Letter no: | DCP-LETT-8980A |
From Edward Frankland 16 October 1873
Author: | Edward Frankland |
Addressee: | Charles Robert Darwin |
Date: | 16 Oct 1873 |
Classmark: | DAR 164: 209 |
Letter no: | DCP-LETT-9098 |
To Edward Frankland 18 October [1873]
Summary
Apologises for his ignorance in interpreting the results secured in his testing with blue litmus paper.
Author: | Charles Robert Darwin |
Addressee: | Edward Frankland |
Date: | 18 Oct [1873] |
Classmark: | The John Rylands Library, The University of Manchester |
Letter no: | DCP-LETT-9100A |
To Francis Darwin [30 April 1876]
Summary
CD has just had an interview with Edward Frankland, who "almost laughs" at FD’s idea of getting potash and soda out of the soil by treating it with sulphuric acid. Asks FD to send him a soil sample to give to Frankland. Sends enclosures giving address and labels for soil samples.
Author: | Charles Robert Darwin |
Addressee: | Francis Darwin |
Date: | [30 Apr 1876] |
Classmark: | DAR 271.4: 10 |
Letter no: | DCP-LETT-10485B |
To Edward Frankland 6 June [1876]
Summary
Gratitude for the invaluable assistance. Is disappointed that natural soil is richer than burnt. Problem of securing sufficient chemically pure soil to test growth of plants.
Author: | Charles Robert Darwin |
Addressee: | Edward Frankland |
Date: | 6 June [1876] |
Classmark: | The John Rylands Library, The University of Manchester |
Letter no: | DCP-LETT-10534A |
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 |
To Edward Frankland 29 September 1873
Summary
Is sending washings of 445 leaves in EF’s distilled water with 20 grains of carbonate of soda. Details of the difficulties and complications involved.
Author: | Charles Robert Darwin |
Addressee: | Edward Frankland |
Date: | 29 Sept 1873 |
Classmark: | The John Rylands Library, The University of Manchester |
Letter no: | DCP-LETT-9077A |
To Edward Frankland [before 6 June 1876]
Summary
Requests chemical analysis of sample of both natural and burnt soil.
Author: | Charles Robert Darwin |
Addressee: | Edward Frankland |
Date: | [before 6 June 1876] |
Classmark: | The John Rylands Library, The University of Manchester |
Letter no: | DCP-LETT-10533A |
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 ? 3 August 1880
Summary
CD sends thanks for further instructions for making a solution, which will be followed as soon as Francis [Darwin] returns.
Author: | Charles Robert Darwin |
Addressee: | Unidentified |
Date: | 3 Aug 1880 |
Classmark: | American Philosophical Society (Mss.B.D25.) |
Letter no: | DCP-LETT-12676 |
letter | (80) |
Darwin, C. R. | (46) |
Frankland, Edward | (10) |
Darwin, Francis | (9) |
Hooker, J. D. | (8) |
Burdon Sanderson, J. S. | (1) |
Darwin, C. R. | (31) |
Frankland, Edward | (25) |
Hooker, J. D. | (6) |
Burdon Sanderson, J. S. | (4) |
Baxter, W. W. | (3) |
Darwin, C. R. | (77) |
Frankland, Edward | (35) |
Hooker, J. D. | (14) |
Darwin, Francis | (12) |
Burdon Sanderson, J. S. | (5) |