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From:
Charles Robert Darwin
To:
American Philosophical Society.
Date:
5 Feb 1870
Source of text:
American Philosophical Society (Mss.B.D25.378)
Summary:

Sends thanks for election to American Philosophical Society.

Contributor:
Darwin Correspondence Project
From:
George Biddell Airy
To:
Sir John Herschel
Date:
[5 February 1870]
Source of text:
RS:HS 1.318 (C: RGO 6.258.499)
Summary:

Has JH seen R. A. Proctor's theory regarding the Milky Way?

Contributor:
John Herschel Project