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From:
Francis Darwin
To:
Charles Robert Darwin
Date:
[before 26 June 1873]
Source of text:
DAR 274.1: 8
Summary:

Has discussed with E. E. Klein about the purchase of a Hartnack microscope from Paris.

Contributor:
Darwin Correspondence Project
From:
John Scott Burdon Sanderson, 1st baronet
To:
Charles Robert Darwin
Date:
25 June 1873
Source of text:
DAR 58.1: 116–19
Summary:

Informs CD of the effects of certain salts and other chemicals on animals.

Comments on CD’s results with Drosera. Suggests some experiments.

Contributor:
Darwin Correspondence Project
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From:
Charles Robert Darwin
To:
Federico Delpino
Date:
25 June [1873]
Source of text:
Anna Barone (private collection)
Summary:

Discusses role of insects in crossing varieties of Lathyrus odoratus and other species.

Comments on Hermann Müller [Die Befruchtung der Blumen (1873)],

and Anton Kerner ["Die Schutzmittel des Pollens", Ber. Naturwiss. Med. Ver. Innsbruck, 3 (1873): 100–68].

Admires FD’s work on anemophilous plants.

Contributor:
Darwin Correspondence Project
From:
Alfred Charles Smith
To:
Charles Robert Darwin
Date:
25 June 1873
Source of text:
DAR 177: 183
Summary:

Wonders whether CD has any idea how the cuckoo manages to match its eggs to those of its host; believes it possible that the diet of the nestling cuckoo, which varies with its host, may affect its behaviour and the colour of its eggs.

Contributor:
Darwin Correspondence Project