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DCP-LETT-3091

From:
Charles Robert Darwin
To:
Joseph Dalton Hooker
Date:
18 Mar [1861]
Source of text:
DAR 115: 90
Summary:

Argument, based on geographical distribution and competition, for a mundane glacial period rather than cooling of one longitudinal belt at a time.

Contributor:
Darwin Correspondence Project
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DCP-LETT-3092

From:
Henry Walter Bates
To:
Charles Robert Darwin
Date:
18 Mar 1861
Source of text:
DAR 160.1: 61
Summary:

Sends his paper ["Insect fauna of the Amazon valley", Trans. R. Entomol. Soc. Lond. 2d ser. 5 (1861): 223–8, 335–61].

Points out three areas of interest arising from the study of the species of Papilio: the derivation of the fauna, the variability of the species, and the permanence of local varieties.

Discusses J. S. Baly’s views on specific differences in reproductive organs [Catalogue of the Hispidae in the collection of the British Museum (1858)].

Contributor:
Darwin Correspondence Project
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Herschel8159

From:
Robert Charles Winthrop
To:
Sir John Herschel
Date:
[18 March 1861]
Source of text:
RS:HS 18.427
Summary:

Encloses pamphlet on atmospheric electricity by Joseph Henry and two pages about 'Carpet experiments' in New York by Joseph Lovering. U.S. going through 'sad political trial.' Does astronomy offer examples of severed systems or broken planets being re-united?

Contributor:
John Herschel Project
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