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Lyell, Charles in correspondent 
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From:
Sir Charles Lyell
To:
Sir John Herschel
Date:
[?]-7-11
Source of text:
RS:HS 11.447
Summary:

Scrope does not mention the depth to which the current has cut the granite in his memoir. In CL's revision can he quote JH on the pebbles?

Contributor:
John Herschel Project
From:
Sir Charles Lyell
To:
Sir John Herschel
Date:
n.d.
Source of text:
RS:HS 11.449
Summary:

Sends today the remainder of his astronomical chapter. JH's comments or corrections will be welcome.

Contributor:
John Herschel Project
From:
Sir Charles Lyell
To:
Sir John Herschel
Date:
[9 May 1825]
Source of text:
RS:HS 11.415
Summary:

Sending this note to inform JH that he began his own serpentine paper on Friday and next Friday intends to read JH's paper on Predazzo. Would like to go over the paper with JH beforehand. Intends to publish his own paper in Brewster's Journal. Can JH meet CL here Wednesday morning?

Contributor:
John Herschel Project
From:
Sir Charles Lyell
To:
Sir John Herschel
Date:
[14 May 1825]
Source of text:
RS:HS 11.416
Summary:

Believes that JH is acquainted with R. I. Murchison, who is to accompany CL to see the works of M. I./I. K. Brunel's Thames tunnel, after they have gone through JH's paper. Would JH like to accompany them?

Contributor:
John Herschel Project
From:
Sir Charles Lyell
To:
Sir John Herschel
Date:
[9 September 1828]
Source of text:
RS:HS 11.417
Summary:

Arrived here yesterday with the Murchisons and starts tomorrow for the Vicentini. Would welcome JH's advice on what to see and read when in Sicily.

Contributor:
John Herschel Project
From:
Sir Charles Lyell
To:
Sir John Herschel
Date:
[27 November 1829]
Source of text:
TxU:H/M-0343; Reel 1087
Summary:

Carlo Gemmellaro measured elevation of Benedictine monastery on Mount Etna at 294 canne [6,688 feet].

Contributor:
John Herschel Project
From:
Sir Charles Lyell
To:
Sir John Herschel
Date:
[6 July 1835]
Source of text:
RS:HS 11.418
Summary:

Hears that JH expressed to William Whewell great pleasure in parts of CL's book. Has been altered and improved since the 1st edition. When in Copenhagen last year [H. C.] Oersted was reading JH's paper on double stars. Murray has sold 1750 copies of CL's book.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Sir Charles Lyell
Date:
[20 February 1836]
Source of text:
APS B.D25.L.1 (C: RS:HS 25.4.20)
Summary:

Thanks CL for the gift of a new edition of CL's Principles of Geology. JH comments on a number of issues, in a very long letter, including the replacement of extinct species by other species, CL's solution of the problem of the variation of climate, and the evolution of language. JH speculates at length on the isothermal activity under the earth's crust that may result in volcanoes or the formation of new land masses, and describes a considerable number of geological examples that JH sees as supporting CL's ideas.

Contributor:
John Herschel Project
From:
Sir Charles Lyell
To:
Sir John Herschel
Date:
[1 June 1836]
Source of text:
RS:HS 11.420 inc
Summary:

Preparing fifth edition of Principles of Geology, using JH's facts about boiling seeds. Mathematical error in CL's climate theory. CL's first speech as president of Geological Society. Criticizes R.S.L. JH's volcanic theory was too complex; will incorporate it into later editions. Benefits to science of Charles Babbage's social parties. Latest publications in geology. P.S. Glad to learn that JH thinks origin of new species may occur through intermediate causes; Germans criticized this. CL chooses not to engage in controversies. Speculates on successive extinction of species. Notes on African hot springs.

Contributor:
John Herschel Project
From:
Sir Charles Lyell
To:
Sir John Herschel
Date:
[7 June 1836]
Source of text:
RS:HS 11.419
Summary:

Charles Lyell wrote letter to JH recently. Now encloses with it letters of introduction to persons in Rio and abstract of paper by Charles Babbage. [Henry] Brougham's attacks on Thomas Young.

Contributor:
John Herschel Project
From:
Sir Charles Lyell
To:
Sir John Herschel
Date:
[31 January 1837]
Source of text:
RS:HS 11.421
Summary:

Has been requested by Gideon Mantell to write JH a letter of introduction for a Lieut. H. I. Thomas, a friend of Davies Gilbert. Thomas wishes to be the bearer of any letter or parcel CL may have. Believes that a copy of the President's speech he sent may be lost in the post. Thinks that JH's theory of subterranean isothermal lines interesting. Dined with the Somervilles last Sunday.

Contributor:
John Herschel Project
From:
Sir Charles Lyell
To:
Sir John Herschel
Date:
[24 May 1837]
Source of text:
RS:HS 11.422 & 450
Summary:

Charles Babbage will publish JH's volcanic theory in Ninth Bridgewater Treatise, together with JH's letter to R. I. Murchison. William Whewell read both at Geological Society. Babbage wants to compare JH's theory with passage from Bishop [Samuel] Butler. Whewell's notion of new species. Charles Darwin's new theory of coral islands is forcing CL to give up CL's volcanic crater theory. [Letter continues 28 May.] Sends copy of Babbage's Treatise with quotes from JH. News of Charles Wheatstone's submarine telegraph and David Brewster's proof that diamond is of vegetable origin.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Sir Charles Lyell
Date:
[12 June 1837]
Source of text:
APS B.D25.L.2 (C: RS:HS 25.5.8) Cannon (1961), 311-14 inc)
Summary:

Ideas expressed by JH in his previous letter to CL (see JH's 1836-2-20) about secular variations of isothermal surfaces of the interior of the earth were similar to ideas expressed by Charles Babbage in a paper to the Geological Society. This was drawn to JH's attention by CL and by R. I. Murchison. JH argues that he did not know of Charles Babbage's paper, and goes on to point out how JH's ideas differ. Concludes with mention of having re-discovered the sixth satellite of Saturn, not seen since its discovery by JH's father, William.

Contributor:
John Herschel Project
From:
Sir Charles Lyell
To:
Sir John Herschel
Date:
[1840 or later]
Source of text:
RS:HS 11.448
Summary:

Is sorry JH did not inform him of the paper he was to read on the astronomical influence on climate. Would like an abstract when published. Would also like a copy of the verses on the great telescope. Encloses a paper of his own.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Sir Charles Lyell
Date:
[17 September 1843]
Source of text:
APS B.D25.L.3 (ACCS: RS:HS B27.57)
Summary:

Inquires of CL about the suitability of George Robert Waterhouse for a natural history post in the British Museum. Congratulates CL on his successful trip to the United States.

Contributor:
John Herschel Project
From:
Sir Charles Lyell
To:
Sir John Herschel
Date:
[21 September 1843]
Source of text:
RS:HS B27.59
Summary:

Talks about British Museum business, including the purchase of fossils and the hiring of George R. Waterhouse.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Sir Charles Lyell
Date:
[15 November 1844]
Source of text:
RS:HS 11.423 & 22.210
Summary:

Regarding L. F. Menabrea's papers, thinks he is a good mathematician. Is not so sure about Augusta A. King's (Lady L[ovelace]) notes.

Contributor:
John Herschel Project
From:
Sir Charles Lyell
To:
Sir John Herschel
Date:
[5 July 1846]
Source of text:
RS:HS 11.424
Summary:

When he received JH's request to give a lecture on American geology he did not treat it seriously. Now R. I. Murchison has made a similar request so thinks he could work up a popular lecture on the Mississippi Delta. Will keep off his old ground.

Contributor:
John Herschel Project
From:
Sir Charles Lyell
To:
Sir John Herschel
Date:
[9 March 1848]
Source of text:
RS MM.16.135
Summary:

Asks when JH can receive CL and Edward Sabine at Collingwood, that they may explain to JH why R.S.L. Council desires JH to serve as president.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Sir Charles Lyell
Date:
[10 March 1848]
Source of text:
TxU:H/L-0235; Reel 1054
Summary:

'Confidential' Insists that CL honor JH's decision regarding R.S.L. office and drop subject.

Contributor:
John Herschel Project