Search: Darwin, C. R. in correspondent 
1860-1869::1864::04 in date 
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From:
Charles Robert Darwin
To:
Philip Henry Gosse
Date:
7 Apr [1864]
Source of text:
American Philosophical Society (Mss.B.D25.298)
Summary:

Discusses microscopic observation of pollen tubes.

Unable to exchange orchids because of his illness.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
David James Brown
Date:
18 Apr 1864
Source of text:
American Philosophical Society (Mss.B.D25.299)
Summary:

Discusses DJB’s MS concerning the origin of species.

Contributor:
Darwin Correspondence Project