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From:
Charles Robert Darwin
To:
Constantin Stepanovich Vesselofski
Date:
4 Mar 1868
Source of text:
Archive of the Russian Academy of Sciences, St Petersburg branch: SPBB ARAS (Fond 1. Register 2-1868. Folder 17. P65, 65 r)
Summary:

Acknowledges his election as a Corresponding Member of the Imperial Academy of Sciences, St Petersburg.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Friedrich Theodor Köppen (Fedor Petrovich Keppen)
Date:
28 Apr [1871]
Source of text:
Archive of the Russian Academy of Sciences, St Petersburg branch: SPBB ARAS (Fond 92. Register 1. Folder 112. P. 1, 1 r)
Summary:

Thanks for FTK’s locust paper ["Die geographische Verbreitung der Wanderheuschrecke", Petermann’s Geogr. Mittheil. (1871)].

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Vladimir Onufrievich Kovalevsky (Владимир Онуфриевич Ковалевский)
Date:
21 May 1873
Source of text:
Archive of the Russian Academy of Sciences, St Petersburg branch: SPBB ARAS (Fond 300. Register 1a. Folder 4. P. 1-2 r)
Summary:

VOK’s paper ["Osteology of Hyopotamidae", Proc. R. Soc. Lond. 21 (1872–3): 147–65] appears a very valuable one.

Discusses work of VOK’s brother [Alexander] on Sagitta and the ascidians.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Friedrich Theodor Köppen (Fedor Petrovich Keppen)
Date:
18 Nov 1874
Source of text:
Archive of the Russian Academy of Sciences, St Petersburg branch: SPBB ARAS (Fond 92. Register 1. Folder 112. P. 3, 3 r)
Summary:

Thanks FTK for telling him of Jahn’s work [see 9719], of which CD had not heard. It would have been of greatest use in writing Descent.

Contributor:
Darwin Correspondence Project
From:
Friedrich Theodor Köppen (Fedor Petrovich Keppen)
To:
Charles Robert Darwin
Date:
25 Apr 1871
Source of text:
DAR 46.1: 102
Summary:

Sends his paper on locusts ["Die geographische Verbreitung der Wanderheuschrecke", Petermann’s Geogr. Mittheil. (1871)]. The effect of the growth of forest land on their increase; meteorological and climatic effects.

Also observations made on increase in mice as a result of increase of locusts, on whose eggs they fed, and of increase of weasels that fed on mice.

Contributor:
Darwin Correspondence Project
Text Online
From:
Michael Faraday
To:
Dominique Jean François Arago
Date:
30 September 1834
Source of text:
RASA MS 2494/2
Summary:

No summary available.

Contributor:
Faraday Project
Text Online
From:
Michael Faraday
To:
André-Marie Ampère
Date:
6 January 1835
Source of text:
RASA MS 2494/1
Summary:

No summary available.

Contributor:
Faraday Project
Text Online
From:
Michael Faraday
To:
Jane Barnard
Date:
26 July 1856
Source of text:
Russian Academy of Sciences Archives 336/1/57
Summary:

No summary available.

Contributor:
Faraday Project