Search: 1860-1869 in date 
Watson, H. C. in addressee 
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DCP-LETT-2639

From:
Charles Robert Darwin
To:
Hewett Cottrell Watson
Date:
[5–11 Jan 1860]
Source of text:
DAR 47: 136a (verso); The University of Edinburgh Centre for Research Collections (Lyell collection Coll-203/A3/5: 77–87)
Summary:

Discusses the possibility of "convergence" occurring; believes it could be only very limited.

Contributor:
Darwin Correspondence Project

DCP-LETT-1616

From:
Charles Robert Darwin
To:
Hewett Cottrell Watson
Date:
[17 July 1861]
Source of text:
DAR 185: 49
Summary:

Difficulty of distinguishing varieties and species. Did HCW suggest a printed list that might help?

Polymorphic genera.

Contributor:
Darwin Correspondence Project
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DCP-LETT-3646

From:
Charles Robert Darwin
To:
Hewett Cottrell Watson
Date:
8 [Aug 1862]
Source of text:
Archives of the Museum of Comparative Zoology, Ernst Mayr Library, Harvard University (bMs 7.10.2)
Summary:

Asks HCW’s help with his experiments on Lythrum salicaria, for which he needs flowers of the rare Lythrum hyssopifolia.

Contributor:
Darwin Correspondence Project

DCP-LETT-4512

From:
Charles Robert Darwin
To:
Hewett Cottrell Watson
Date:
28 May [1864]
Source of text:
DAR 185: 51
Summary:

Thanks HCW for Lythrum specimens.

CD has at last finished his Lythrum paper. ["Three forms of Lythrum", Collected papers 2: 106–31.]

Contributor:
Darwin Correspondence Project
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