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From:
Charles Robert Darwin
To:
Charles Lyell, 1st baronet
Date:
1 Oct [1861]
Source of text:
American Philosophical Society (Mss.B.D25.266)
Summary:

The flint tools found at Bedford.

Further discussion of Jamieson’s theory of the formation of the roads of Glen Roy by a glacial lake. Comments on formation of Glen Spean terraces. Mentions glaciers in North Wales.

Agreement with John Murray to publish [Orchids].

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Charles Lyell, 1st baronet
Date:
20 Oct [1861]
Source of text:
American Philosophical Society (Mss.B.D25.268)
Summary:

Continued discussion of Jamieson’s Glen Roy theory. Mentions river erosion of glaciers. Quotes from old letter to CL [1116].

Is working hard on orchids; fears subject is too complex for the public.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Charles Lyell, 1st baronet
Date:
23 [Oct 1861]
Source of text:
American Philosophical Society (Mss.B.D25.269)
Summary:

Comments especially on the "intermediate shelf" problem of Glen Roy; views of Jamieson and Milne. CD "cannot help a sneaking hope that the sea might have formed the horizontal shelves".

Contributor:
Darwin Correspondence Project