Search: Darwin, Francis in addressee 
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1870-1879 in date 
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Showing 61–80 of 109 items

DCP-LETT-12077

From:
Charles Robert Darwin
To:
Francis Darwin
Date:
[1 Aug 1878]
Source of text:
DAR 211: 52
Summary:

Describes observations and experiments on the response to light of Bignonia capreolata tendrils.

Contributor:
Darwin Correspondence Project

DCP-LETT-12078A

From:
Charles Robert Darwin
To:
Francis Darwin
Date:
2 June [1879]
Source of text:
DAR 271.4: 15
Summary:

Thanks for FD’s letter describing microscopic work under experienced supervision.

Is glad to hear of C. E. Stahl’s objection to treating plants as mere machines.

Pleased that J. von Sachs has yielded on growth.

Perhaps Stahl will recognise whether the case of the silver fir is the same as that referred to in the German account [see 12074b].

CD has finished the first draft of his essay on Erasmus Darwin’s life and is "heartily sick of the job".

Contributor:
Darwin Correspondence Project

DCP-LETT-12084

From:
Charles Robert Darwin
To:
Francis Darwin
Date:
[before 5 June 1879]
Source of text:
DAR 211: 53
Summary:

Believes that he will prove that the tip of radicle is the brain as far as geotropism is concerned.

Contributor:
Darwin Correspondence Project

DCP-LETT-12091

From:
Charles Robert Darwin
To:
Francis Darwin
Date:
6 and 7 June 1879
Source of text:
DAR 211: 54
Summary:

Describes his experiments investigating the geotropic responses of radicles.

Contributor:
Darwin Correspondence Project

DCP-LETT-12111

From:
Charles Robert Darwin
To:
Francis Darwin
Date:
16 June [1879]
Source of text:
DAR 211: 55
Summary:

Has given his reasons for believing that twisting of stem is related to circumnutation in Climbing plants.

Tells results of experiments on movement of cotyledons and radicles.

Is getting aerial heliotropic roots from Kew.

Contributor:
Darwin Correspondence Project

DCP-LETT-12117A

From:
Charles Robert Darwin
To:
Francis Darwin
Date:
24 June [1879]
Source of text:
DAR 271.4: 14
Summary:

Movement in plants: Philodendron and Dendrobium.

Will go to London on Thursday to receive Baly Medal. Laura Forster has offered them her house in London.

Contributor:
Darwin Correspondence Project

DCP-LETT-12121

From:
Charles Robert Darwin
To:
Francis Darwin
Date:
[after 24 June 1879]
Source of text:
DAR 211: 57
Summary:

Movement of radicles.

Contributor:
Darwin Correspondence Project

DCP-LETT-12122

From:
Charles Robert Darwin
To:
Francis Darwin
Date:
25 June [1879]
Source of text:
DAR 211: 56
Summary:

Suggests experiments to test the response of radicles to light. Considers an alternative term for heliotropism.

Will be curious to have FD’s spiral theory about circumnutation explained to him.

Contributor:
Darwin Correspondence Project

DCP-LETT-12124

From:
Charles Robert Darwin
To:
Francis Darwin
Date:
[26 June 1879]
Source of text:
DAR 211: 58
Summary:

Believes that the response of root tips to being "blinded" with foil is much more interesting than response to cauterisation.

Contributor:
Darwin Correspondence Project

DCP-LETT-12128

From:
Charles Robert Darwin
To:
Francis Darwin
Date:
28 June [1879]
Source of text:
DAR 211: 59
Summary:

Discusses the movements of radicles. His observations show that sensitivity to touch resides in the root tip and he believes that sensitivity to gravity governing geotropic responses is also in the root tip. Would much like to convert Julius von Sachs to his ideas on radicle movement.

Contributor:
Darwin Correspondence Project

DCP-LETT-12132

From:
Charles Robert Darwin
To:
Francis Darwin
Date:
2 July [1879]
Source of text:
DAR 211: 61
Summary:

FD’s experiment shows that caustic does not interfere with the bending of radicles. Believes that the apex is a kind of brain for certain movements, being specialised to receive certain irritations.

Contributor:
Darwin Correspondence Project

DCP-LETT-12133

From:
Charles Robert Darwin
To:
Francis Darwin
Date:
2 July [1879]
Source of text:
DAR 211: 60
Summary:

Stresses importance of ensuring that cauterisation of radicles does not, through injury, prevent movement. Plans an experiment to test for "apheliotropism" in certain radicles.

Contributor:
Darwin Correspondence Project

DCP-LETT-12134A

From:
Charles Robert Darwin
To:
Francis Darwin
Date:
4 July [1879]
Source of text:
DAR 271.4: 16
Summary:

CD gives suggestions concerning FD’s experiments on the radicles of roots. Asks him to find out whether J. von Sachs tried beans. Should also try other gramineous plants.

Bernard looking forward to his father’s return.

Contributor:
Darwin Correspondence Project

DCP-LETT-12152

From:
Charles Robert Darwin
To:
Francis Darwin
Date:
12 July [1879]
Source of text:
DAR 211: 62
Summary:

Notes observations on sensitivity and movement of radicles.

Has finished chapter [of Movement in plants] on sleeping plants and is now looking over heliotropism notes.

Is perplexed by Erasmus Darwin; Erasmus [A. Darwin] likes it, but Henrietta thinks it much too long.

Contributor:
Darwin Correspondence Project

DCP-LETT-12179

From:
Charles Robert Darwin
To:
Francis Darwin
Date:
[2 Aug 1879]
Source of text:
DAR 211: 63
Summary:

Tells arrangements for their journey to Coniston.

Contributor:
Darwin Correspondence Project

DCP-LETT-12271

From:
Ernst Ludwig (Ernst) Krause
To:
Francis Darwin
Date:
26 Oct 1879
Source of text:
DAR 92: B44–5
Summary:

Problem with Charles Reinwald could be solved if CD would ask that French edition [of Erasmus Darwin] follow English. EK willing to co-operate with Reinwald.

Contributor:
Darwin Correspondence Project
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DCP-LETT-13794

From:
Charles Robert Darwin
To:
Francis Darwin
Date:
[before 26 June 1873]
Source of text:
DAR 211: 5
Summary:

Sends FD £5 for the loan of his microscope.

Contributor:
Darwin Correspondence Project

DCP-LETT-13796

From:
Charles Robert Darwin
To:
Francis Darwin
Date:
[after 23 July 1874]
Source of text:
DAR 211: 9
Summary:

Asks for a specimen of Pinguicula.

Contributor:
Darwin Correspondence Project

DCP-LETT-7021

From:
Charles Robert Darwin
To:
Francis Darwin
Date:
5 Dec [1870]
Source of text:
DAR 211: 4
Summary:

Sends a cheque to clear FD’s debts. Hopes he will be more careful in the future.

Contributor:
Darwin Correspondence Project

DCP-LETT-7346

From:
Charles Robert Darwin
To:
Francis Darwin
Date:
18 Oct [1870]
Source of text:
DAR 211: 6
Summary:

Sends a cheque to pay off FD’s debts. Warns him of the dangers of overspending his income and advises him strongly to keep accounts.

Contributor:
Darwin Correspondence Project
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