Search: The Historical Society of Pennsylvania in repository 
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From:
Charles Robert Darwin
To:
John Stevens Henslow
Date:
[21 Jan 1838]
Source of text:
Historical Society of Pennsylvania (Dreer collection)
Summary:

Sends rock specimen for W. H. Miller. Asks JSH to see whether there is any geology in P. B. Webb and Sabin Berthelot, Histoire naturelle des Îles Canaries [1835–50]. Finds his work on geology growing so large that it will take more than one volume and asks whether this will make publication aid more difficult.

Has accepted Secretaryship of the Geological Society.

Will not come to Cambridge because "as long as I continue well I cannot bear to leave my work for half a day".

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Ernst Dieffenbach
Date:
19 July [1843]
Source of text:
Historical Society of Pennsylvania (Gratz collection, case 12, box 7)
Summary:

Says Colburn will allow German publisher to use copperplate and woodcuts [for Journal of researches]. Has been delayed in corrections owing to death of a relative [Josiah Wedgwood II].

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Albany Hancock
Date:
10 Jan [1853]
Source of text:
Historical Society of Pennsylvania
Summary:

Grateful for AH’s long letter and suggestions. Delighted at what he says about "complemental males". CD feared no one would believe in them but now that Owen, Dana, and AH accept them, he is content.

Agrees with AH on cross-impregnation; has collected facts on this head but has done nothing with them.

AH’s paper on Alcippe [Ann. & Mag. Nat. Hist. 2d ser. 4 (1849): 305–14] caused him to lose sleep over its anomalous structure.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Unidentified
Date:
1 July 1871
Source of text:
Historical Society of Pennsylvania
Summary:

Regrets ill health will prevent his attending the BAAS meeting at Edinburgh.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Unidentified
Date:
5 Nov 1880
Source of text:
Historical Society of Pennsylvania
Summary:

Refers correspondent to Descent for some information on marriage arrangements, and on the mental and moral nature of monkeys.

Contributor:
Darwin Correspondence Project
Text Online
From:
Francis Legatt Chantrey
To:
Michael Faraday
Date:
11 December 1829
Source of text:
HSP SGC (Alphabetical) under Francis Chantrey
Summary:

No summary available.

Contributor:
Faraday Project
Text Online
From:
John Frederic Daniell
To:
Michael Faraday
Date:
30 September 1824
Source of text:
HSP SGC Case 12, Box 7, under John Frederic Daniell
Summary:

No summary available.

Contributor:
Faraday Project
Text Online
From:
Michael Faraday
To:
André-Marie Ampère
Date:
14 February 1824
Source of text:
HSP SGC, Case 12, Box 8, under Michael Faraday.
Summary:

No summary available.

Contributor:
Faraday Project
Text Online
From:
Michael Faraday
To:
John Yelloly
Date:
7 March 1831
Source of text:
HSP SGC, Case 12, Box 8, under Michael Faraday
Summary:

No summary available.

Contributor:
Faraday Project
Text Online
From:
Michael Faraday
To:
George Cramp
Date:
3 September 1850
Source of text:
Historical Society of Pennsylvania, Etting Collection, Scientists, p.26, under Michael Faraday
Summary:

No summary available.

Contributor:
Faraday Project
Text Online
From:
Stephen Peter Rigaud
To:
Michael Faraday
Date:
9 September 1831
Source of text:
HSP Ferdinand Dreer Collection, Astronomers and Mathematicians, Vol II, p.67, under S.P. Rigaud
Summary:

No summary available.

Contributor:
Faraday Project