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Doubleday, Henry in correspondent 
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DCP-LETT-2781

From:
Henry Doubleday
To:
Charles Robert Darwin
Date:
3 May 1860
Source of text:
DAR 162.2: 237
Summary:

Has read Origin with pleasure.

Has performed many experiments which confirm his opinion that primrose, oxlip, and cowslip are three distinct species.

Contributor:
Darwin Correspondence Project

DCP-LETT-2804

From:
Henry Doubleday
To:
Charles Robert Darwin
Date:
16 May 1860
Source of text:
DAR 162.2: 238
Summary:

Answers CD’s questions about his experiments with primroses, cowslips, and oxlips. HD is aware experiments must often be repeated many times. Has never met with the oxlip except where primrose and cowslip grow together.

Contributor:
Darwin Correspondence Project
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