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From:
William Empson
To:
Sir John Herschel
Date:
17 January [1850?]
Source of text:
RS:HS 7.68
Summary:

Would be happy to hear of any improvement in JH's health. Encloses a letter from Francis Jeffrey (Lord Jeffrey). J. S. Mill edited Jeremy Bentham's works in two volumes.

Contributor:
John Herschel Project
From:
Alexander von Humboldt
To:
Sir John Herschel
Date:
[19 January 1850]
Source of text:
RS:HS 10.69
Summary:

Queries regarding JH's star lists. Sending magnetic information from A. T. Kupffer. Regarding the distribution of nebulae.

Contributor:
John Herschel Project
From:
Charles Robert Darwin
To:
James Scott Bowerbank
Date:
19 Jan [1850]
Source of text:
Archives of the New York Botanical Garden (Charles Finney Cox Collection)
Summary:

Describes result of his dissection of one of JSB’s cirripede specimens, "now a hundred fold more instructive". Awaits fossils from Copenhagen Chalk for comparison with British specimens. Asks permission for J. de C. Sowerby to draw specimens.

Contributor:
Darwin Correspondence Project
From:
William Radcliffe Birt
To:
Sir John Herschel
Date:
[19 January 1850]
Source of text:
RS:HS 4.138
Summary:

Regarding the luminous rings recently observed in the solar system.

Contributor:
John Herschel Project
From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[21 January 1850]
Source of text:
RS:HS 6.256
Summary:

Regarding the delicate case of priority of investigation. Quotes example of Henry Warburton and John Brinkley.

Contributor:
John Herschel Project
From:
Lord Francis Jeffrey
To:
Sir John Herschel
Date:
[21 January 1850]
Source of text:
RS:HS 19.279
Summary:

Returns 'slips' with JH's corrections. Asks explanation of probability theory.

Contributor:
John Herschel Project
From:
Sir Edward Ryan
To:
Sir John Herschel
Date:
[21 January 1850]
Source of text:
RS:HS 14.458
Summary:

Has no information to send yet. JH should not be too hopeful of changing the appoint to Bengal of his son [William James].

Contributor:
John Herschel Project
From:
Charles Robert Darwin
To:
Robert Fitch
Date:
[23 Jan 1850]
Source of text:
Norwich Castle
Summary:

Thanks for fossil cirripede specimens. "Yours is incomparably the finest collection in the world of fossil Secondary cirripedes."

Contributor:
Darwin Correspondence Project
From:
William Empson
To:
Sir John Herschel
Date:
23 January [1850?]
Source of text:
RS:HS 7.69
Summary:

Returns the slips received from Francis Jeffrey (Lord Jeffrey); would JH forward them to the printer with his instructions. His mathematical demonstration will be allowed enough room. Pleased to hear his deafness has been relieved.

Contributor:
John Herschel Project
From:
Charles Robert Darwin
To:
James Scott Bowerbank
Date:
[24 Jan – 7 Mar 1850]
Source of text:
American Philosophical Society (Mss.B.D25.91)
Summary:

Thanks JSB for specimens of fossil Balanidae.

Contributor:
Darwin Correspondence Project
From:
Henry Anthony Jeffreys
To:
Sir John Herschel
Date:
[24 January 1850]
Source of text:
RS:HS 10.290
Summary:

Sends drawing and statement showing what they are about at the church. Would welcome any assistance from JH.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[24 January 1850]
Source of text:
RS:HS 23.81
Summary:

About Henry Warburton's theorem, and the Gregorian calendar.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Henry Anthony Jeffreys
Date:
[24 January 1850]
Source of text:
RS:HS 10.291 & 23.82
Summary:

Regrets he is unable to support his project for the church as he has many more worthy commitments.

Contributor:
John Herschel Project
From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[25 January 1850]
Source of text:
RS:HS 6.257
Summary:

Further regarding the Gregorian calendar and comments on some of the questions involved in its interpretation.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
the Athenaeum
Date:
25] January [1850
Source of text:
Athenaeum, #1162 (Feb. 2, 1850), 132
Summary:

[Writing anonymously], offers a solution to a Latin problem discussed earlier in the Athenaeum.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
the Athenaeum
Date:
25] January [1850
Source of text:
Athenaeum, #1162 (Feb. 2, 1850), 132
Summary:

[Writing anonymously], asks a question about the public understanding of the Gregorian calendar.

Contributor:
John Herschel Project
From:
Charles Robert Darwin
To:
Johannes Japetus Smith (Japetus) Steenstrup
Date:
25 Jan [1850]
Source of text:
Det Kongelige Bibliotek, Copenhagen (NKS 3460 4to)
Summary:

Thanks JS for fossil cirripedes. Discusses the specimens. Sends thanks to J. G. Forchhammer for specimens.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Albany Hancock
Date:
[26 Jan – Mar 1850]
Source of text:
Archives of the New York Botanical Garden (Charles Finney Cox Collection)
Summary:

Discusses mollusc specimens and related notes sent to AH. Thanks him for cirripede specimens. Discusses various cirripede species.

Contributor:
Darwin Correspondence Project
From:
Sir John Herschel
To:
Lord Francis Jeffrey
Date:
[26 January 1850]
Source of text:
unknown
Summary:

Explaining his own idea of probability. [This appears to be the original, which was never sent as Lord Jeffrey died 1850-1-25.]

Contributor:
John Herschel Project
From:
Adolphe Quetelet
To:
Mary Somerville
Date:
28 Jan 1850
Source of text:
MSQ 1 / 6, Dep. c. 372, Bod, MS
Summary:

No summary available.

Contributor:
Brigitte Stenhouse