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From:
George Cupples
To:
Charles Robert Darwin
Date:
22 Mar 1869
Source of text:
DAR 161: 291
Summary:

Will look for sex ratio statistics.

Will weigh pups.

Deerhound breeding;

wolves.

Contributor:
Darwin Correspondence Project
Text Online
From:
Charles Robert Darwin
To:
Alfred Russel Wallace
Date:
22 March 1869
Source of text:
  • British Library, The: BL Add. 46434 ff. 173-177
  • Marchant, J. (Ed.). (1916). In: Alfred Russel Wallace; Letters and Reminiscences. Vol. 1. London & New York: Cassell & Co. [pp. 237-239]
Summary:

No summary available.

Contributor:
Alfred Russel Wallace Correspondence Project
From:
Karl Johann (Karl) von Seidlitz
To:
Charles Robert Darwin
Date:
22 Mar 1869
Source of text:
DAR 177: 132
Summary:

Mentions his publication [Die Bildungsgesetze der Vogeleier (1869)].

Comments on importance of heredity for evolution.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Alfred Russel Wallace
Date:
22 Mar [1869]
Source of text:
The British Library (Add MS 46434)
Summary:

Comments on Wallace’s Malay Archipelago.

Contributor:
Darwin Correspondence Project
Text Online
From:
Alfred Russel Wallace
To:
Charles Lyell
Date:
22 March 1869
Source of text:
American Philosophical Society: The Darwin-Lyell Collection
Summary:

No summary available.

Contributor:
Alfred Russel Wallace Correspondence Project