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To James Crichton-Browne   7 September [1873]

Summary

Thanks JC-B for volume of Asylum reports and paper on epilepsy. Seems clear from reports that physiology of brain will soon be largely understood.

Author:  Charles Robert Darwin
Addressee:  James Crichton-Browne
Date:  7 Sept [1873]
Classmark:  DAR 143: 345
Letter no:  DCP-LETT-9045

To W. W. Baxter   8 September [1873]

Summary

Requests chemicals for Drosera experiments. Lists 12 acids tried so far.

Author:  Charles Robert Darwin
Addressee:  William Walmisley Baxter
Date:  8 Sept [1873]
Classmark:  DAR 261.11: 6 (EH 88206058)
Letter no:  DCP-LETT-9046

To J. S. Burdon Sanderson   9 September [1873]

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.

Author:  Charles Robert Darwin
Addressee:  John Scott Burdon Sanderson, baronet
Date:  9 Sept [1873]
Classmark:  University of British Columbia Library, Rare Books and Special Collections (Darwin - Burdon Sanderson letters RBSC-ARC-1731-1-14)
Letter no:  DCP-LETT-9047

To T. F. Cheeseman   9 September [1873]

Summary

Thanks TFC for his extremely interesting paper ["On the fertilisation of the New Zealand species of Pterostyles", Trans. & Proc. N. Z. Inst. 5 (1872): 352–7]. Has no doubt his explanation [of the fertilisation mechanism] is correct. The case is analogous to that of the Cypripedium though TFC’s case is much more curious.

Author:  Charles Robert Darwin
Addressee:  Thomas Frederick Cheeseman
Date:  9 Sept [1873]
Classmark:  Auckland War Memorial Museum Library Tāmaki Paenga Hira (T. F. Cheeseman Papers MS-58)
Letter no:  DCP-LETT-9048

To M. D. Conway   12 September [1873]

Summary

Thanks for strange debate, which CD returns. Principle of evolution has first-rate supporters in [Edward Sylvester?] Morse and Theodore Nicholas Gill.

Author:  Charles Robert Darwin
Addressee:  Moncure Daniel Conway
Date:  12 Sept [1873]
Classmark:  Archives of the New York Botanical Garden (Charles Finney Cox Collection)
Letter no:  DCP-LETT-9051

To J. D. Hooker   12 September [1873]

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Summary

Thanks JDH and Thiselton-Dyer for useful information.

Is surprised Mimosa albida is not sensitive to water. Asks that they try again, or lend it to him.

Remembers a walk in Brazil in great bed of Mimosa.

After JDH left, CD was very bad, with much loss of memory and severe shocks continually passing through his brain.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  12 Sept [1873]
Classmark:  DAR 95: 274–6
Letter no:  DCP-LETT-9052

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

To J. S. Burdon Sanderson   14 September [1873]

Summary

Very pleased at JSBS’s discovery ["On the electrical phenomena which accompany the contractions of the leaf of Dionaea muscipula", Rep. BAAS 43 (1873): 133].

Asks for pure animal substances [proteins] for Drosera experiments. His other sources have been T. L. Brunton, Edward Frankland, W. A. Miller (now dead), and Hoffmann of Berlin [A. W. von Hofmann?].

Author:  Charles Robert Darwin
Addressee:  John Scott Burdon Sanderson, baronet
Date:  14 Sept [1873]
Classmark:  University of British Columbia Library, Rare Books and Special Collections (Darwin - Burdon Sanderson letters RBSC-ARC-1731-1-9)
Letter no:  DCP-LETT-9056

To E. S. Morse   16 September 1873

Summary

Thanks for ESM’s paper ["On the systematic position of the Brachiopoda", Proc. Boston Soc. Nat. Hist. 15 (1873): 315–72]. "What a wonderful change … to look at these ""shells"" as ""worms""."

Author:  Charles Robert Darwin
Addressee:  Edward Sylvester Morse
Date:  16 Sept 1873
Classmark:  Joseph R. Sakmyster, ADS Autographs (dealer) (no date)
Letter no:  DCP-LETT-9058

To J. D. Hooker   19 September [1873]

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Summary

Obliged for information on Mimosa albida; if a vigorous plant behaves as JDH says, CD’s notions are all knocked on the head.

Anxious to read Tyndall’s answer to Tait [Nature 8 (1873): 399].

Drosera story too long for his strength. Essentially the leaves act just like stomach of an animal.

Burdon Sanderson will give some grand facts at BAAS about Dionaea.

Offers to help JDH with Nepenthes experiments. Finds experimental work always takes twice as much time as anticipated.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  19 Sept [1873]
Classmark:  DAR 95: 277–9
Letter no:  DCP-LETT-9059

To E. A. Darwin   20 September 1873

Summary

Consults about the wisdom of Frank’s becoming CD’s assistant rather than practising medicine.

Outlines his finances.

[Copy in EAD’s hand.]

Author:  Charles Robert Darwin
Addressee:  Erasmus Alvey Darwin
Date:  20 Sept 1873
Classmark:  DAR 105: B1–3
Letter no:  DCP-LETT-9060

To Edward Frankland   21 September [1873]

Summary

Although CD’s experiments with pepsin were unsuccessful, he observed that the glands [of Drosera] as far as acid is concerned act just as the stomach of a mammal. Further experiments detailed. The secretion must contain something analogous to pepsin. [See 9062.]

Author:  Charles Robert Darwin
Addressee:  Edward Frankland
Date:  21 Sept [1873]
Classmark:  The John Rylands Library, The University of Manchester
Letter no:  DCP-LETT-9061A

To W. W. Baxter   21 September [1873]

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Summary

Requests 6 2oz bottles with corks. Folic acid produces remarkable effect. Orders hydriodic acid.

Author:  Charles Robert Darwin
Addressee:  William Walmisley Baxter
Date:  21 Sept [1873]
Classmark:  DAR 185: 136
Letter no:  DCP-LETT-9061F

To Edward Frankland   23 September 1873

Summary

Will follow EF’s suggestions as to securing purity of fibrin.

Author:  Charles Robert Darwin
Addressee:  Edward Frankland
Date:  23 Sept 1873
Classmark:  The John Rylands Library, The University of Manchester
Letter no:  DCP-LETT-9064A

To Charles Lyell   24 September 1873

Summary

Discusses apple specimens received from CL; reversion to crab state. Cites passage on subject in Variation.

Comments on letter from Mr Wood on inheritance in fruit-trees.

Would like to cross flowers of "Hawthornden" with many distinct varieties.

Author:  Charles Robert Darwin
Addressee:  Charles Lyell, 1st baronet
Date:  24 Sept 1873
Classmark:  American Philosophical Society (Mss.B.D25.432)
Letter no:  DCP-LETT-9065

To John Murray   24 September [1873]

Summary

CD will have to make heavy corrections in Expression and Descent if there ever is a new edition of either.

Will soon begin another book [Insectivorous plants].

It and a second one [Cross and self-fertilisation] will sell only "very specially".

Author:  Charles Robert Darwin
Addressee:  John Murray
Date:  24 Sept [1873]
Classmark:  National Library of Scotland (John Murray Archive) (Ms. 42152 ff. 352–3)
Letter no:  DCP-LETT-9066

To Fritz Müller   25 September 1873

Summary

Seedling vigour resulting from crossing of parents.

CD to publish work on insectivorous plants.

Author:  Charles Robert Darwin
Addressee:  Johann Friedrich Theodor (Fritz) Müller
Date:  25 Sept 1873
Classmark:  The British Library (Loan MS 10 no 35)
Letter no:  DCP-LETT-9067

To Ernst Haeckel   25 September 1873

Summary

Comments on EH’s Natürliche Schöpfungsgeschichte [4th ed.].

Has written paper on rudimentary structures ["Complemental males of certain cirripedes", (1873) Collected papers 2: 177–82].

Edward Morse thinks brachiopods should be classed with annelids ["The systematic position of the Brachiopoda", Proc. Boston Soc. Nat. Hist. 15 (1873): 315–73].

Author:  Charles Robert Darwin
Addressee:  Ernst Philipp August (Ernst) Haeckel
Date:  25 Sept 1873
Classmark:  Ernst-Haeckel-Haus, Friedrich-Schiller-Universität, Jena (Bestand A-Abt. 1: 1-52/30)
Letter no:  DCP-LETT-9068

To J. D. Hooker   27 September 1873

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Summary

Had read Tyndall’s letter [Nature 8 (1873): 399] – awfully savage, but certainly a great mistake to print it.

Thinks JDH will think better of Clerk Maxwell’s paper after he reads it.

Asks whether JDH could find out for him the temperature of rain in very hot countries.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  27 Sept 1873
Classmark:  DAR 95: 280–1
Letter no:  DCP-LETT-9074

To M. T. Masters   29 September [1873]

Summary

CD refuses an interview because of a severe headache, but wishes all success to the Gardeners’ Chronicle.

Author:  Charles Robert Darwin
Addressee:  Maxwell Tylden Masters
Date:  29 Sept [1873]
Classmark:  American Philosophical Society (Mss.B.D25.)
Letter no:  DCP-LETT-9077
Document type
letter (278)
Author
Darwin, C. R.[X]
Date
1873
01 (24)
02 (22)
03 (23)
04 (36)
05 (21)
06 (15)
07 (17)
08 (18)
09 (29)
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