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DCP-LETT-13075

From:
Charles Robert Darwin
To:
George John Romanes
Date:
7 Mar [1881]
Source of text:
American Philosophical Society (Mss.B.D25.584)
Summary:

Comments on the meaning of his definition of the term, "animal intelligence". Encloses further discussion from his forthcoming book [Earthworms].

Contributor:
Darwin Correspondence Project

DCP-LETT-13076

From:
Francis Galton
To:
Charles Robert Darwin
Date:
7 Mar 1881
Source of text:
DAR 105: A106–7
Summary:

Reports observations of worms for CD’s use.

Contributor:
Darwin Correspondence Project
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DCP-LETT-13076F

From:
Joseph Henry Gilbert
To:
Charles Robert Darwin
Date:
7 Mar 1881
Source of text:
Rothamsted Research (GIL13)
Summary:

Sends some books.

Contributor:
Darwin Correspondence Project

DCP-LETT-13077

From:
George John Romanes
To:
Charles Robert Darwin
Date:
7 Mar 1881
Source of text:
DAR 176: 216
Summary:

Responds to MS of Earthworms. An objective but arbitrary test of intelligence in animals is the ability to learn from experience. Earthworms fall on the border of intelligence. They could justly be called intelligent if they could learn by experience to manipulate some unknown, exotic leaf. CD should make clear that intelligence does not imply self-consciousness.

Contributor:
Darwin Correspondence Project
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