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Darwin, Francis in addressee 
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From:
Charles Robert Darwin
To:
Francis Darwin
Date:
13 May [1872]
Source of text:
DAR 153: 17
Summary:

Will FD try to persuade A. D. Bartlett to show a live snake to a porcupine and observe whether the porcupine rattles the quills on its tail? [See 8333.]

Contributor:
Darwin Correspondence Project
From:
Samuel Butler
To:
Francis Darwin
Date:
[before 30 May 1872]
Source of text:
DAR 106: A6–7
Summary:

Sends drawings of dogs in different attitudes, drawn by his friend A. May. FD should not trouble CD unless he thinks the drawings will please him. [See Expression, pp. 54–5.]

Contributor:
Darwin Correspondence Project
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From:
Alfred Henry Garrod
To:
Francis Darwin
Date:
30 June [1872]
Source of text:
DAR 165: 10
Summary:

Sends an account of an attempt to take a sphygmograph tracing of a woman during fright

and some references that might apply to CD’s work on pulse rates during rage and fright.

Contributor:
Darwin Correspondence Project
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From:
Charles Robert Darwin
To:
Francis Darwin
Date:
[before 15 Apr 1873]
Source of text:
DAR 271.4: 6
Summary:

Sends to Pantlludw [North Wales] bottle of formic acid. FD and Amy [Darwin] can search for spawn. If found, keep in two basins and add 6 drops of acid to one and look for differences.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Francis Darwin
Date:
16 Apr [1873]
Source of text:
DAR 271.3: 6
Summary:

"Try only 1 or 2 drops of Formic A[cid]."

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Francis Darwin
Date:
[17 Apr 1873]
Source of text:
DAR 271.3: 7
Summary:

Fears all the seeds are dead. Will try with less vapour of formic acid.

Contributor:
Darwin Correspondence Project
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
From:
Charles Robert Darwin
To:
Francis Darwin
Date:
15 Aug [1873]
Source of text:
DAR 271.3: 8
Summary:

Observations on bees’ biting holes in Lathyrus.

Suggests an experiment FD could carry out with Drosera.

CD is working on Mimosa, and "everything has turned out as perversely as possible".

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Francis Darwin
Date:
18 [Aug 1873]
Source of text:
DAR 271.3: 9; DAR 271.4: 1
Summary:

Pollination and floral structure of Lathyrus. Asks where bees bite through the flowers.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Francis Darwin
Date:
[4 Sept 1873]
Source of text:
DAR 271.9: 2
Summary:

Asks FD to bring any book that gives the affinities of the various earths, alkalis and metals.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Francis Darwin
Date:
10 Oct 1873
Source of text:
Royal Botanic Gardens, Kew (JDH/3/6 Insectivorous plants 1873-8 f.1)
Summary:

Asks for details about microscope parts.

Wants FD to ask Hooker for species of Desmodium; CD believes he has found new movements.

Also ask whether Hooker has Drosophyllum.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Francis Darwin
Date:
22 Oct 1873
Source of text:
DAR 271.3: 10
Summary:

Lists observations he would like FD to make on the dried species of Desmodium at Kew.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Francis Darwin
Date:
23 Oct [1873]
Source of text:
DAR 271.3: 11
Summary:

Wants FD to look at the little lateral leaflets of Desmodium. CD has "a wild hypothesis that the little leaflets may be tendrils reconverted into leaflets".

Contributor:
Darwin Correspondence Project
From:
Amy Richenda (Amy) Ruck; Amy Richenda (Amy) Darwin
To:
Francis Darwin
Date:
6 July 1874
Source of text:
DAR 59.1: 71
Summary:

Information about insects on Pinguicula leaves.

Contributor:
Darwin Correspondence Project
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
From:
Charles Robert Darwin
To:
Francis Darwin
Date:
[c. 27 July 1874]
Source of text:
DAR 271.4: 7
Summary:

Has been examining Utricularia minor. Same essential structure but catches smaller Entomostraca. One bladder had 24, another 20, and another 15 Entomostraca. "What slaughter! We must make out the functions of the beast––".

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Francis Darwin
Date:
[17 Sept 1874]
Source of text:
DAR 271.3: 12
Summary:

Asks FD to come early to write from dictation.

Thanks Amy for her drawing of Utricularia montana.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Francis Darwin
Date:
[c. Feb 1875?]
Source of text:
DAR 271.4: 8
Summary:

Begs FD’s pardon: his notes on Utricularia amethystina are on same page with those on U. nelumbifolia.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Francis Darwin
Date:
30 Apr [1875]
Source of text:
DAR 271.4: 9
Summary:

Sends a chapter [of Insectivorous plants]. Never was there anything so dull, but later chapters will be better. Please correct an error on p. 86.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Francis Darwin
Date:
[31 Aug 1875 or later]
Source of text:
DAR 271.3: 13
Summary:

Sends proofs of Variation [2d ed.] for FD to look over.

Contributor:
Darwin Correspondence Project