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From:
Frans Cornelis (Franciscus Cornelius) Donders
To:
Charles Robert Darwin
Date:
27 May 1870
Source of text:
DAR 162: 225
Summary:

Has finished the article [on the action of the eyelids in Ned. Arch. Geneeskd. & Natuurkd. 5 (1870), also see 7238]; summarises: the occlusion of the eyelids protects the vessels, and the eye itself, against the danger of pressure caused by excessive expiratory action. The weakness of the conclusion is that the extent of the danger caused by the pressure to the normal state of the eye is not precisely known.

Contributor:
Darwin Correspondence Project
Text Online
From:
Ferdinand von Mueller
To:
William Odgers
Date:
27 May 1870
Source of text:
V70/5700, unit 465, VPRS 3991/P inward registered correspondence, VA 475 Chief Secretary's Department, Public Record Office, Victoria
Summary:

No summary available.

Contributor:
Correspondence of Ferdinand von Mueller Project
From:
J. Ryle
To:
Sir John Herschel
Date:
[27 May 1870]
Source of text:
RS:HS 14.516
Summary:

Appreciates JH's opinion regarding variability of climate, although it disagrees with his own. His views are not provable and the question remains one of probability.

Contributor:
John Herschel Project
From:
J. Ryle
To:
Sir John Herschel
Date:
[1870-5-27 or after]
Source of text:
RS:HS 14.517
Summary:

[Richard?] Proctor [?] agrees with JR's views on Cosmical Climates. Re-presents his theory because he feels he did not state it fairly in his earlier [1870-5-27] letter.

Contributor:
John Herschel Project
Text Online
From:
Edward Burnett Tylor
To:
Alfred Russel Wallace
Date:
27 May 1870
Source of text:
Linnean Society of London: 571-572-TYLOR
Summary:

No summary available.

Contributor:
Alfred Russel Wallace Correspondence Project