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Darwin, C. R. in addressee 
Walsh, B. D. in correspondent 
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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