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From:
Charles Robert Darwin
To:
Charles Lyell, 1st baronet
Date:
[19 Mar 1868]
Source of text:
American Philosophical Society (Mss.B.D25.349)
Summary:

The second volume of Lyell’s [Principles, 10th ed.] gives a "fair history of the progress of opinion on Species".

Pleased by allusion to Pangenesis: "an untried hypothesis is always dangerous ground".

Looks forward to chapter on domestication and on man.

Contributor:
Darwin Correspondence Project
From:
Alfred Russel Wallace
To:
Charles Robert Darwin
Date:
19 Mar 1868
Source of text:
DAR 106: B59–60
Summary:

On sterility of natural species and natural selection. Closely allied forms from adjacent islands offer best chance of finding good species fertile inter se.

Problem of minute variations and sexual selection.

Contributor:
Darwin Correspondence Project
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From:
Paolo Mantegazza
To:
Charles Robert Darwin
Date:
19 Mar 1868
Source of text:
DAR 171: 36
Summary:

Sends papers.

Contributor:
Darwin Correspondence Project
From:
Bartholomew James Sulivan
To:
Charles Robert Darwin
Date:
19 Mar 1868
Source of text:
DAR 177: 292
Summary:

Writes of his son’s affairs.

Is reading Variation and discusses a point relating to feeding habits of horses.

Contributor:
Darwin Correspondence Project