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From:
Charles Robert Darwin
To:
Herbert Spencer
Date:
11 Mar [1856]
Source of text:
DAR 147: 484a
Summary:

Thanks for copy of HS’s Principles of psychology [1855].

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Herbert Spencer
Date:
9 Dec [1867]
Source of text:
DAR 147: 485a
Summary:

Thanks for copy of HS’s First principles [? 2d ed. (1867)].

Comments on HS’s Principles of biology [1864, 1867].

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Herbert Spencer
Date:
31 Oct [1873]
Source of text:
DAR 147: 486
Summary:

Discusses adaptations in flowers and their heritability.

Mentions advertisements for HS’s book [? Study of sociology (1873)].

Thought HS would have profited by principle that a character appearing late in life is inherited at same age.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Herbert Spencer
Date:
[after 22 Sept 1881]
Source of text:
DAR 202: 122v
Summary:

Although he agrees with the object of HS’s league he will not join until he has seen how it works.

Contributor:
Darwin Correspondence Project