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From:
Lucy Caroline Wedgwood; Lucy Caroline Harrison
To:
Charles Robert Darwin
Date:
[25 Apr 1870]
Source of text:
DAR 181: 59
Summary:

Aggressive behaviour of dogs and horses.

Contributor:
Darwin Correspondence Project
From:
Francis Galton
To:
Charles Robert Darwin
Date:
26 Apr 1870
Source of text:
DAR 105: A15–16
Summary:

Rabbits still running true; hopes to increase alien blood to 30%.

Contributor:
Darwin Correspondence Project
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From:
Charles Robert Darwin
To:
Francis Galton
Date:
[27 Apr 1870?]
Source of text:
DAR 105: A16v
Summary:

Is much obliged for information [about rabbits?].

Contributor:
Darwin Correspondence Project
From:
George Cupples
To:
Charles Robert Darwin
Date:
29 Apr 1870
Source of text:
DAR 161: 292
Summary:

Will send deerhound puppy.

Is critical of Herbert Spencer.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Henry Hussey Vivian, 1st baronet
Date:
[Apr or May 1870?]
Source of text:
DAR 96: 86
Summary:

Discusses the reasons for inserting questions on consanguineous marriages in the forthcoming Census.

Contributor:
Darwin Correspondence Project
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From:
Charles Robert Darwin
To:
St George Jackson Mivart
Date:
21 Apr [1870]
Source of text:
Karpeles Manuscript Library Museums
Summary:

On amount of modification and lines of descent in determining the position in man.

Reference to StGJM’s article "On the appendicular skeleton of the primates" Phil. Trans. R. Soc. [157 (1867): 299–430],

and his [and James Murie’s] article on lemurs ["On the anatomy of Lemuroidea"] Trans. Zool. Soc. [7 (1872): 1–114].

Contributor:
Darwin Correspondence Project
From:
Sir John Herschel
To:
Frederick Howlett
Date:
[24 April 1870]
Source of text:
RS:HS 24.306
Summary:

Writes to compare notes on sunspot observations.

Contributor:
John Herschel Project
From:
Frederick Howlett
To:
Sir John Herschel
Date:
[28 April 1870]
Source of text:
RS:HS 10.23
Summary:

Has no idea whether the sunspots appeared suddenly or gradually. The Kew people may be able to help in this matter. Comments on some more sunspots.

Contributor:
John Herschel Project
From:
Henry Hudson
To:
Sir John Herschel
Date:
[26 April 1870]
Source of text:
RS:HS 10.30
Summary:

Would like him to accept the enclosed paper on the cause and effect of dew. Comments on various points.

Contributor:
John Herschel Project
From:
Henry James
To:
Sir John Herschel
Date:
[26 April 1870]
Source of text:
RS:HS 10.278
Summary:

The volumes of the Sinai photographs will be dispatched tomorrow. The cost of the survey has been covered by subscriptions and he will forward a statement of the account later.

Contributor:
John Herschel Project
From:
Nicholas Michell
To:
Sir John Herschel
Date:
[4 April 1870]
Source of text:
RS:HS 13.38
Summary:

Sends a copy of his own book, the Immortals, which he would like JH to glance at as the Herschels are mentioned.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Duncan [Stewart]
Date:
[8 April 1870]
Source of text:
TxU:H/L-0143; Reel 1054
Summary:

Comments on ability of eye to adapt to prismatic glass in corrective spectacles for double vision [see JH's 1869-10-31]. Heard of bad health of DS and John [Stewart]. JH is fighting bronchitis.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Duncan [Stewart]
Date:
[23 April 1870]
Source of text:
TxU:H/L-0144; Reel 1054
Summary:

No permanent optical solution to DS's double vision. Remarks on description by DS's son of cavalry duty in Ireland and Canada.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Editor of Pall Mall Budget
Date:
[20 April 1870]
Source of text:
TxU:H/L-0293; Reel 1054
Summary:

Examples from Iliad and other sources to show that military offensive tactic called 'Vertical Fire' did not originate with [L. N. M.] Carnot, as Mr. Mallet claimed in recent issue of Budget.

Contributor:
John Herschel Project
From:
Edward Sabine
To:
Sir John Herschel
Date:
[24 April 1870]
Source of text:
Cambridge University Library 7656/H702
Summary:

Note to accompany forwarding of a letter; remarks on T. R. Robinson's upcoming cataract surgery.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Edward Sabine
Date:
[28 April 1870]
Source of text:
Cambridge University Library 7656/H727 (C: RS:HS 24.307)
Summary:

Comments on the effect of great temperature variations on the speculum of a telescope.

Contributor:
John Herschel Project
From:
Patrick Francis Robertson
To:
Sir John Herschel
Date:
[1 April 1870]
Source of text:
RS:HS 14.372
Summary:

Informs JH of plans for JH receiving 5 pounds of coca he had ordered.

Contributor:
John Herschel Project
From:
Patrick Francis Robertson
To:
Sir John Herschel
Date:
[4 April 1870]
Source of text:
RS:HS 14.373
Summary:

Encloses letter giving charges for 5 pounds of coca ordered by JH [see PR's 1870-4-1]. Asks how PR should pay.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Selwyn
Date:
[23 April 1870]
Source of text:
RS:HS 24.304
Summary:

Asks whether WS has photographs of the sun for 21 and 22 April. Notes how curious sunspot activity has been. Doubts that such is reconcilable with the notion of 'meteoric in-falls.'

Contributor:
John Herschel Project
From:
William Selwyn
To:
Sir John Herschel
Date:
[25 April 1870]
Source of text:
RS:HS 15.507
Summary:

Is sending solar autographs. Notes that in groups of spots the larger precede the smaller spots. Can JH form any theories from this?

Contributor:
John Herschel Project