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Darwin, C. R. in correspondent 
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From:
Charles Robert Darwin
To:
Sir John Herschel
Date:
[2 November] 1838
Source of text:
RS:HS 6.10
Summary:

Has promised Alexander Macleay that he would send details of the nets JH used to catch pelagic animals.

Contributor:
John Herschel Project
From:
Charles Robert Darwin
To:
Sir John Herschel
Date:
[4 February 1848]
Source of text:
RS:HS 6.11
Summary:

As JH has accepted the superintendency of the Admiralty Manual he will try to undertake the geological part, but it will take time as he is busy on another project.

Contributor:
John Herschel Project
From:
Charles Robert Darwin
To:
Sir John Herschel
Date:
21] March [1848
Source of text:
RS:HS 6.14
Summary:

Has forwarded JH's note to Robert Mallet, who no doubt will compress his part. Encloses his own part,which he fears may be too long. Would like a chance to see the proofs. When completed would like several copies.

Contributor:
John Herschel Project
From:
Charles Robert Darwin
To:
Sir John Herschel
Date:
7 May [1848]
Source of text:
RS:HS 6.15
Summary:

Sends his manuscript. P.O. has been unable to trace the missing parcel. Comments on J. B. Elie de Beaumont's method of measuring lava streams; emphasizes the importance of repeated observations. Would like copies of the manual when completed.

Contributor:
John Herschel Project
From:
Charles Robert Darwin
To:
Sir John Herschel
Date:
[11 May 1848]
Source of text:
RS:HS 6.12
Summary:

As JH is interested in colors he sends him details of the color changes that the genus Ibla undergoes. Will send him a specimen if desired.

Contributor:
John Herschel Project
From:
Charles Robert Darwin
To:
Sir John Herschel
Date:
[6 June 1848]
Source of text:
RS:HS 6.13
Summary:

Encloses samples of the Ibla. Outlines the method of making it change color. Hopes he will not have to re-write his geological chapter for the Admiralty Manual.

Contributor:
John Herschel Project
From:
Charles Robert Darwin
To:
Sir John Herschel
Date:
13 June [1849]
Source of text:
RS:HS 6.16
Summary:

Thanks for his obliging note. Has already had one from John Murray. Hopes the Admiralty Manual will bear fruit. Has been at Malvern for three months and his health has improved enormously.

Contributor:
John Herschel Project
From:
Charles Robert Darwin
To:
Sir John Herschel
Date:
[11 November 1859]
Source of text:
TxU
Summary:

Sending CD's new book, The Origin of Species. Acknowledges CD's deep obligation to JH's Prelim. Discourse. 'Scarcely anything in my life made so deep an impression on me....'

Contributor:
John Herschel Project
From:
Charles Robert Darwin
To:
Sir John Herschel
Date:
[1861]- 5-23
Source of text:
RS:HS 6.17
Summary:

Is grateful for the present of JH's Physical Geography. Is pleased also with JH's note on his own book on species. Comments on some of the theories expressed in this work.

Contributor:
John Herschel Project