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Showing 4149 of 49 items

From:
Friedrich Wilhelm Heinrich Alexander (Alexander) von Humboldt
To:
Charles Robert Darwin
Date:
18 Sept 1839
Source of text:
DAR 204: 180
Summary:

Praises CD’s Journal of researches and comments on some of CD’s observations and conclusions. Considers volcanic activity and its effect on past climate and changes in climate over time. Discusses glacial phenomena. Believes the climate of the coast of Peru is modified by cold sea-currents.

Contributor:
Darwin Correspondence Project
From:
John Grant Malcolmson
To:
Charles Robert Darwin
Date:
7 Oct 1839
Source of text:
DAR 39: 12–14
Summary:

Sends notes on soundings made on coral banks in the China Sea.

His recent geological observations.

Finds a difficulty with CD’s erratic block theory.

Contributor:
Darwin Correspondence Project
From:
John Grant Malcolmson
To:
Charles Robert Darwin
Date:
[after 7 Oct 1839]
Source of text:
DAR 50: C24–5
Summary:

Comments on the discussion of erratic blocks in Journal of researches [pp. 619, 621–2].

Contributor:
Darwin Correspondence Project
thumbnail
From:
Charles Robert Darwin
To:
Caroline Sarah (Caroline) Darwin; Caroline Sarah (Caroline) Wedgwood
Date:
[27 Oct 1839]
Source of text:
DAR 154: 54
Summary:

Describes his routine for a typical day – writing Coral reefs, studying German.

FitzRoy’s "Deluge Chapter" [Narrative 2, ch. 28] will amuse her.

His opinion of Carlyle’s Critical and miscellaneous essays [1839].

Contributor:
Darwin Correspondence Project
From:
John Grant Malcolmson
To:
Charles Robert Darwin
Date:
30 Nov 1839
Source of text:
DAR 39: 15–17
Summary:

Sends specimens of coralline with vermiform holes.

J. Allan’s observations of Aldabra and the Cormoros [see Coral reefs, p. 186] and news of his experiments on the growth of coral.

Contributor:
Darwin Correspondence Project
Text Online
From:
J. E. Bowman
To:
J. S. Henslow
Date:
9 December 1839
Source of text:
Cambridge University Library MS Add. 8177: 119
Summary:

Discusses a unique plant fossil, possibly a Calamites in fruit and the logistics of JSH viewing it. States that rather than the fossil being sent to JSH, in its fragile condition it would be better for a drawing to be made under the supervision of his son, William Bowman. Offers to send JSH a description of the fossil via his son, along with analysis by Robert Brown. Recommends Brown’s analysis of the fossil for inclusion in Fossil Flora and states that it would make a good opening plate.

Also states that he has recently seen several specimens of an unusual Stigmaria in Leeds and has arranged for drawings and description to be sent to JSH for Fossil Flora. Gives his own description of the specimens as well. Offers to find coal fossils for JSH.

Contributor:
Henslow Correspondence Project
Text Online
From:
J. S. Henslow
To:
Adam Sedgwick
Date:
13 December 1839
Source of text:
Cambridge University Library Add 7652.ID.2
Summary:

No summary available.

Contributor:
Henslow Correspondence Project
Text Online
From:
Leonard Jenyns
To:
J. S. Henslow
Date:
14 December 1839
Source of text:
Cambridge University Library MS Add. 8177: 185
Summary:

No summary available.

Contributor:
Henslow Correspondence Project
From:
[–] Edwards
To:
Charles Robert Darwin
Date:
[before end of 1839?]
Source of text:
DAR 163: 4
Summary:

Reports on a setter puppy born of apparently pure pointer parents. Any cross must have been far back.

Contributor:
Darwin Correspondence Project