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Darwin, Francis in addressee 
1870-1879::1873 in date 
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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