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Watson, H. C. in correspondent 
1860-1869::1860 in date 
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From:
Hewett Cottrell Watson
To:
Charles Robert Darwin
Date:
[3? Jan 1860]
Source of text:
DAR 47: 135–8
Summary:

Notes by HCW on the Origin dealing especially with divergence and convergence. Believes there is some natural tendency to converge into groups in opposition to divergence generated by natural selection.

Contributor:
Darwin Correspondence Project
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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
From:
Hewett Cottrell Watson
To:
Charles Robert Darwin
Date:
10 May 1860
Source of text:
DAR 47: 160–1
Summary:

Returns reviews of Origin.

F. J. Pictet [Arch. Sci. Phys. & Nat. n.s. 7 (1860): 231–55] goes further than he himself realises.

Naturalists will resist CD’s views until faith in certain "impassable" barriers between existent species is shaken.

Gives CD an instance of convergence.

Contributor:
Darwin Correspondence Project
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From:
Hewett Cottrell Watson
To:
George Gordon
Date:
19 Sept 1860
Source of text:
Elgin Museum (Gordon Archive 60.15)
Summary:

HCW thanks GG for responding so promptly to CD’s application for assistance.

Wonders whether natural selection can operate to the extent CD contends.

Contributor:
Darwin Correspondence Project