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From:
Charles Robert Darwin
To:
Joseph Dalton Hooker
Date:
3 and 4 Aug 1866
Source of text:
DAR 115: 295, 295b
Summary:

Answers JDH’s questions on connection of SE. England and continent,

on the effect of breaking the Isthmus of Panama,

and on Madeira flora as remnant of Tertiary flora.

Cautionary remarks for JDH on his "Insular floras" speech, designed to strengthen case of "occasional migration" theory.

Contributor:
Darwin Correspondence Project
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From:
John Traherne Moggridge
To:
Charles Robert Darwin
Date:
3 Aug [1866]
Source of text:
DAR 111: A86–7
Summary:

Sends packet of Ononis columnae seed and references to the species.

Contributor:
Darwin Correspondence Project