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Walsh, B. D. in correspondent 
1860-1869::1867 in date 
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DCP-LETT-5419

From:
Benjamin Dann Walsh
To:
Charles Robert Darwin
Date:
[25 Feb 1867]
Source of text:
Darwin Library–CUL (bound with Siebold 1857), ML 1: 248–9
Summary:

Sends a copy [missing] of a lecture by L. Agassiz on glaciers.

Claims worker wasps can generate additional workers in the absence of the fertile female.

Contributor:
Darwin Correspondence Project

DCP-LETT-5455

From:
Charles Robert Darwin
To:
Benjamin Dann Walsh
Date:
23 Mar [1867]
Source of text:
Field Museum of Natural History, Chicago (Walsh 9)
Summary:

Thanks for Agassiz’s Lectures. Lyell does not believe a word about glacial action of any kind in lowlands of Brazil. Agassiz’s view of glacial movement has been given up by physicists.

Contributor:
Darwin Correspondence Project

DCP-LETT-5603

From:
Charles Robert Darwin
To:
Benjamin Dann Walsh
Date:
9 Aug [1867]
Source of text:
Field Museum of Natural History, Chicago (Walsh 15)
Summary:

Is not sure he thinks so much of BDW’s argument in his last paper as of some others he advanced. Is BDW sure Lucanidae use jaws for holding female in copulation rather than for fighting other males?

Contributor:
Darwin Correspondence Project
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