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DCP-LETT-6044

From:
Charles Robert Darwin
To:
George Howard Darwin
Date:
[24 Mar 1868]
Source of text:
DAR 210.1: 5
Summary:

CD relays the advice of Sir W. R. Grove on the dismal prospects of a law career.

Contributor:
Darwin Correspondence Project
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DCP-LETT-6045

From:
Alfred Russel Wallace
To:
Charles Robert Darwin
Date:
24 Mar [1868]
Source of text:
DAR 106: B61–2, B158–9
Summary:

Returns George Darwin’s criticisms of his notes on sterility and sends further notes in reply. Since there are degrees of sterility between varieties, "is it not probable that natural selection can accumulate these variations?" Varieties that are adapted to new conditions could then survive and form new species without being isolated.

Contributor:
Darwin Correspondence Project
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DCP-LETT-6046

From:
John Jenner Weir
To:
Charles Robert Darwin
Date:
24 Mar 1868
Source of text:
DAR 84.1: 65–8
Summary:

Experiments to test Wallace’s theory that brightly coloured caterpillars are rejected by birds. [See Descent 1: 417.]

Contributor:
Darwin Correspondence Project
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