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DCP-LETT-952

From:
Charles Robert Darwin
To:
Robert Hutton
Date:
[Apr 1846]
Source of text:
American Philosophical Society (Mss.B.D25.54)
Summary:

Returns copy [of J. Hortic. Soc. Lond.]. Mentions article by William Herbert ["Local habitation and wants of plants", J. Hortic. Soc. Lond. 1 (1846): 44–9].

Contributor:
Darwin Correspondence Project

Herschel4001

From:
Sir John Herschel
To:
Caroline Lucretia Herschel
Date:
1846-[4]
Source of text:
TxU:H/L-0591.3; Reel 1058
Summary:

[Written as a family letter.] JH has corrected the first proof sheet of his Cape Results. Reports that Biela's Comet has been found to be a double comet.

Contributor:
John Herschel Project

Herschel6754

From:
William Rutter Dawes
To:
Sir John Herschel
Date:
[1 April 1846]
Source of text:
RS:HS 6.72
Summary:

Returns the account of Lord Rosse's telescope with many thanks. Weather has not been good for observations, but gives some observations on the comets.

Contributor:
John Herschel Project

Herschel1086

From:
Sir John Herschel
To:
John Stuart Mill
Date:
[2 April 1846]
Source of text:
RS:HS 25.6.32
Summary:

Continues JH's defense of Laplace's writings on probabilities [see JH's 1845-12-22].

Contributor:
John Herschel Project

Herschel1087

From:
Sir John Herschel
To:
John Stuart Mill
Date:
[3 April 1846]
Source of text:
RS:HS 25.6.33
Summary:

A note to accompany a working out in convenient form an example of Laplace's probability ideas. [Enclosure not found.]

Contributor:
John Herschel Project

Herschel9150

From:
William Whewell
To:
Sir John Herschel
Date:
[4 April 1846]
Source of text:
RS:HS 18.203
Summary:

Planning to edit a volume of hexameter verse translations. Wishes to include JH's translation of Friedrich Schiller's 'The Walk.'

Contributor:
John Herschel Project

DCP-LETT-972

From:
Charles Robert Darwin
To:
Ernst Dieffenbach
Date:
6 Apr [1846]
Source of text:
J. A. Stargardt (dealers) (Catalogue 574 11–13 November 1965)
Summary:

On geological works of Tschudi and Buch.

"My health keeps indifferent & I do not suppose I shall ever be a strong man again: everything fatigues me, & I can work but little at my writing: this summer, however, I shall get out my geology of S. America".

"I found Bronn’s Geschichte, which you recommended me, very useful, for references to facts on variation".

Contributor:
Darwin Correspondence Project

Herschel10769

From:
Robert Hunt
To:
Sir John Herschel
Date:
[6 April 1846]
Source of text:
RS:HS 10.122
Summary:

Has been pursuing his magnetic experiments with crystals and will be publishing a memoir on them. Comments on these experiment. Is there a difference in the mass of the earth at the poles?

Contributor:
John Herschel Project

Herschel4126

From:
Charles Piazzi Smyth
To:
Sir John Herschel
Date:
[8 April 1846]
Source of text:
RS:HS 16.226
Summary:

Describes conditions and instruments at Edinburgh Observatory. Observatory assistant Alexander Wallace works on reduction of Thomas Henderson's transit observations.

Contributor:
John Herschel Project

Herschel12313

From:
Hans Christian Oersted
To:
Sir John Herschel
Date:
[8 April 1846]
Source of text:
RS:HS 13.169
Summary:

Sending a German translation of an unfinished work of HO. Regrets that so few people can read the Danish language. Is grateful for JH's papers.

Contributor:
John Herschel Project

Herschel11977

From:
John Stuart Mill
To:
Sir John Herschel
Date:
[8 April 1846]
Source of text:
RS:HS 12.339
Summary:

JH's second letter has convinced him. Has now written a new conclusion to the chapter showing the principles of P. S. Laplace in a new light. Does not think Laplace's example is a fair type. Has already rewritten the chapter on the Doctrine of Chances.

Contributor:
John Herschel Project

Herschel3779

From:
Sir John Herschel
To:
Caroline Lucretia Herschel
Date:
[8 April 1846]
Source of text:
TxU:H/L-0591.4; Reel 1058
Summary:

Reports that Biela's Comet split into two comets; JH has observed it several times. 30-40 pages of JH's Cape Results have been printed.

Contributor:
John Herschel Project

DCP-LETT-973

From:
Charles Robert Darwin
To:
Joseph Dalton Hooker
Date:
10 Apr [1846]
Source of text:
DAR 114: 59
Summary:

Is pleased JDH will attend to polymorphism and also with the botanical relation, as stated by JDH, between Africa and Java.

Would welcome any information on impregnation in the bud.

Contributor:
Darwin Correspondence Project
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DCP-LETT-966

From:
Joseph Dalton Hooker
To:
Charles Robert Darwin
Date:
[11–15 Apr 1846]
Source of text:
DAR 104: 205
Summary:

Hugh Falconer gives no specific objections to Forbes’s views.

Botanical contrast between Cape of Good Hope and the rest of Africa is as strong as that between Australia and India.

Wishes CD would leave off snuff.

Contributor:
Darwin Correspondence Project
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Herschel3704

From:
Sir John Herschel
To:
Richard Sheepshanks
Date:
[11 April 1846]
Source of text:
RS:HS 16.47 (C: RS:HS 25.9.22)
Summary:

Does not possess enough knowledge of F. W. Bessel's writing to compose more than a brief obituary on him. Would like RS to help [A. B.] Orlebar of the Bombay Observatory by providing a corresponding observation of the occultation of alpha Virginis on 19 January.

Contributor:
John Herschel Project

Herschel2964

From:
Sir John Herschel
To:
Adolphe Quetelet
Date:
[12 April 1846]
Source of text:
Académie belgique: #23 (C: Académie belgique: #24)
Summary:

Looks to reap fruits of observations. AQ's treatise on atmospheric waves has not arrived. R.S.L. has refused to 'receive and retain works communicated through them.'

Contributor:
John Herschel Project

DCP-LETT-974

From:
Charles Robert Darwin
To:
Joseph Dalton Hooker
Date:
[16 Apr 1846]
Source of text:
DAR 114: 60
Summary:

CD’s suggestions for improving a paragraph by JDH.

On distribution of certain species and their variation relative to a central, typical form.

Contributor:
Darwin Correspondence Project
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Herschel1528

From:
Sir John Herschel
To:
Mr. M.
Date:
[16 April 1846]
Source of text:
APS B.H435p.13
Summary:

Compliments of JH and his wife.

Contributor:
John Herschel Project

Herschel4533

From:
Sir John Herschel
To:
William Henry Smyth
Date:
[16 April 1846]
Source of text:
RS:HS 22.269
Summary:

Believes Beta Ursae Minoris to be a slow variable star. Remarks on diminution of the star's brightness between 1840 and 1841.

Contributor:
John Herschel Project

Herschel4559

From:
William Henry Smyth
To:
Sir John Herschel
Date:
[16 April 1846]
Source of text:
RS:HS 16.288
Summary:

Receives report on poor state of Paramatta Observatory. Encloses letter from Thomas Brisbane, who believes James Dunlop should be removed from his post of authority there.

Contributor:
John Herschel Project
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