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From:
Edward Blyth
To:
Charles Robert Darwin
Date:
19 Feb 1867
Source of text:
DAR 160: 209, 209/1 & 2, DAR 47: 190, 190a, DAR 80: B99–99a, DAR 205.11: 138, DAR 48: A75
Summary:

Encloses memorandum on Origin [1866]

discussing mimicry in mammals and birds,

abnormal habits shown by birds,

behaviour of cuckoos,

and analogies existing between mammals of the same geographical region.

Speculates on possible lines of development linking groups of mammals.

[CD’s notes on the verso of the letter are for his reply.]

Contributor:
Darwin Correspondence Project
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From:
Charles Robert Darwin
To:
Edward Blyth
Date:
[19 Feb 1867]
Source of text:
McGill University Library, Department of Rare Books
Summary:

Is so unwell he must cancel appointment to meet at Zoological Gardens.

Contributor:
Darwin Correspondence Project
From:
Sir John Herschel
To:
John Henry Dallmeyer
Date:
[19 February 1867]
Source of text:
RS:HS 6.6 & 24.189
Summary:

Outlining suitability of various types of glass for optical work. Gives details of theories of his reading lenses and calls attention to one of his own papers in the R.S.P.T. for 1821.

Contributor:
John Herschel Project
Text Online
From:
Ferdinand von Mueller?
To:
?
Date:
19 February 1867
Source of text:
Staatliches Museum für Naturkunde, Stuttgart
Summary:

No summary available.

Contributor:
Correspondence of Ferdinand von Mueller Project