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Text Online
From:
J. S. Henslow
To:
W. H. Smyth
Date:
3 January 1849
Source of text:
American Philosophical Society Library William Henry Smyth Papers B Sm98
Summary:

No summary available.

Contributor:
Henslow Correspondence Project
Text Online
From:
J. S. Henslow
To:
James Scott Bowerbank
Date:
5 January 1849
Source of text:
American Philosophical Society Library Mss.B.H382
Summary:

No summary available.

Contributor:
Henslow Correspondence Project
Text Online
From:
William Whewell
To:
J. S. Henslow
Date:
15 February 1849
Source of text:
American Philosophical Society Library The Scientists Collection I 509.L56
Summary:

No summary available.

Contributor:
Henslow Correspondence Project
From:
Charles Robert Darwin
To:
Charles Lyell, 1st baronet
Date:
[14–28 June 1849]
Source of text:
American Philosophical Society (Mss.B.D25.78)
Summary:

Mentions illness of Emma Darwin.

Comments on CL’s Second visit to the United States [1849].

His water treatment by J. M. Gully.

CD’s contribution ["Geology"] to J. W. Herschel’s Manual of scientific enquiry [(1849), Collected papers 1: 227–50].

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Charles Lyell, 1st baronet
Date:
3 July [1849]
Source of text:
American Philosophical Society (Mss.B.D25.79)
Summary:

Discusses CL’s Second visit to the United States [1849]. Corrects CL’s error regarding location of Megatherium finds.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Charles Lyell, 1st baronet
Date:
[2 Sept 1849]
Source of text:
American Philosophical Society (Mss.B.D25.80)
Summary:

Discusses effect of subsidence and elevation on deposits. Cites examples along coasts of South America and Wales. Proposes theory to explain thickness of deposits in south Wales.

Asks CL’s opinion of his theory of "craters of elevation" described in Volcanic islands.

Mentions CL’s comparison of Mississippi beds to the Pampas.

Comments on Poulett Scrope’s views on the separation of basalt and trachyte.

Describes his cirripede work.

Contributor:
Darwin Correspondence Project
Text Online
From:
J. S. Henslow
To:
Ann Henslow
Date:
11 September 1849
Source of text:
American Philosophical Society Library Mss.B.H382
Summary:

No summary available.

Contributor:
Henslow Correspondence Project
From:
Charles Robert Darwin
To:
Hugh Cuming
Date:
[Oct? 1849]
Source of text:
American Philosophical Society (Mss.B.D25.82)
Summary:

Discusses cirripede specimens borrowed from HC.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
George Ransome
Date:
25 Oct [1849]
Source of text:
American Philosophical Society (Mss.B.D25.81)
Summary:

Agrees to subscribe £1 toward the portrait of a bishop of Norwich.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Charles Lyell, 1st baronet
Date:
[1 Nov 1849]
Source of text:
American Philosophical Society (Mss.B.D25.83)
Summary:

Discusses CL’s refutation of CD’s concept of "craters of elevation" and CL’s new concept of "craters of denudation". Mentions examples of such craters. Admits that his own concept of these craters was unsatisfactory. Urges CL to publish article ["On craters of denudation", Q. J. Geol. Soc. Lond. 6 (1850): 207–34].

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Hugh Cuming
Date:
[4 Nov 1849]
Source of text:
American Philosophical Society (Mss.B.D25.)
Summary:

Arranges to call on Wednesday but declines a breakfast invitation, as his stomach is so particular that he is afraid to go about before eating.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Charles Lyell, 1st baronet
Date:
[18 Nov 1849]
Source of text:
American Philosophical Society (Mss.B.D25.84)
Summary:

Criticises Élie de Beaumont’s view of a right angle junction of a stream of lava and a dike.

Mentions his misgivings in voting to recommend J. D. Forbes for Royal Medal.

Notes Daniel Sharpe’s work on mica schist.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Charles Lyell, 1st baronet
Date:
4 Dec [1849]
Source of text:
American Philosophical Society (Mss.B.D25.85)
Summary:

Discusses J. D. Dana’s Geology [1849]. Pleased that the part on corals confirms his views [Coral reefs (1842)]. Discusses Dana’s observation that in Sandwich Islands lava streams often join dikes at right angles with no cone. Retracts earlier denial of this possibility. Criticises Dana’s view of Australian valleys.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Charles Lyell, 1st baronet
Date:
[7? Dec 1849]
Source of text:
American Philosophical Society (Mss.B.D25.88)
Summary:

Continues discussion of Dana’s Geology [1849]. Comments on dikes of Hawaiian volcanoes and Dana’s view of craters of denudation. Compares role of sea and rivers in forming valleys. Criticises Dana’s treatment of CD’s account of coral reefs.

Contributor:
Darwin Correspondence Project
Text Online
From:
J. S. Henslow
To:
Unknown
Date:
8 December 1849
Source of text:
American Philosophical Society Library
Summary:

No summary available.

Contributor:
Henslow Correspondence Project
From:
Charles Robert Darwin
To:
Abraham Clapham
Date:
10 Dec [1849]
Source of text:
American Philosophical Society (Mss.B.D25.86)
Summary:

Comments on AC’s experiments on Phlox and Mimulus.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Albany Hancock
Date:
25 Dec [1849]
Source of text:
American Philosophical Society (Mss.B.D25.87)
Summary:

Discusses the new genus, Alcippe, described by AH ["Notice of the occurrence on the British coast of a burrowing barnacle", Ann. & Mag. Nat. Hist. 2d ser. 4 (1849): 305–14]. Comments on Lithotrya, Clitia, and Anatifa. Discusses cirripede larvae. Asks which Mollusca specimens AH wishes to borrow.

Contributor:
Darwin Correspondence Project