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Showing 2125 of 25 items

From:
Francis Galton
To:
Charles Robert Darwin
Date:
24 Sept 1875
Source of text:
DAR 105: A82
Summary:

Sends a lecture CD wished to see

and corrects himself about the twins.

Contributor:
Darwin Correspondence Project
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From:
Charles Robert Darwin
To:
William Ogle
Date:
25 Sept 1875
Source of text:
DAR 261.5: 15 (EH 88205913)
Summary:

From Galton’s "twin study" he suspects that some progenitor of WO’s had the peculiarities in question.

Has collected cases of signs of assent for a revised edition of Expression.

Suggests bees visit same species because they know how far to insert proboscis and thus save time.

Contributor:
Darwin Correspondence Project
From:
Nikolai Alekseevich Severtsov
To:
Charles Robert Darwin
Date:
25 Sept [1875]
Source of text:
DAR 177: 143
Summary:

Sends CD the 2d part of his travels into the Tien-shan mountains [Erforschung des Thian-Schan Gebirgs-Systems (1875)].

Has written a paper on the ranges and systematics of wild sheep and on modifications probably resulting from competition with domestic sheep, which he wishes to translate into English and would like to see appended to Variation.

Discusses sexual selection in thrushes; it apparently modifies one species into another.

Contributor:
Darwin Correspondence Project
From:
Oswald Heer
To:
Charles Robert Darwin
Date:
28 Sept 1875
Source of text:
DAR 166: 132
Summary:

Comments on Insectivorous plants.

Describes his own work on fossil flora of Eastern Siberia.

Discusses genus Ginkgo.

Contributor:
Darwin Correspondence Project
From:
William Turner Thiselton-Dyer
To:
Charles Robert Darwin
Date:
28 Sept 1875
Source of text:
DAR 209.6: 208
Summary:

Reports on Schrankia aculeata in which pinna and pinnule are sensitive, but, unlike Mimosa pudica, rachis does not move.

Contributor:
Darwin Correspondence Project
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