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From:
George Howard Darwin
To:
Charles Robert Darwin
Date:
19 Nov 1880
Source of text:
DAR 210.2: 87
Summary:

Comments on CD’s book [Movement in plants].

Continues with his experiments with ripple-marks.

Is in despair about his astronomy.

Contributor:
Darwin Correspondence Project
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From:
Baruch Jakob Placzek
To:
Charles Robert Darwin
Date:
19 Nov 1880
Source of text:
DAR 174: 47
Summary:

Behaviour of pigeons is now different from that described in Beresbith Raba, a 3d century gloss on Genesis.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Baruch Jakob Placzek
Date:
[after 19 Nov 1880]
Source of text:
Placzek 1883, p. 112 n.
Summary:

Expresses doubts that pigeons could rest one wing during flight.

Contributor:
Darwin Correspondence Project