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From Benjamin Dann Walsh   29 April – 19 May 1864

Summary

Recalls being introduced to CD when [undergraduate] at Cambridge.

Sends CD some of his pamphlets

and expresses support of Origin.

Has discovered there are "3 sexes" in the solitary Cynips as well as social insects.

Author:  Benjamin Dann Walsh
Addressee:  Charles Robert Darwin
Date:  29 Apr – 19 May 1864
Classmark:  DAR 181: 9
Letter no:  DCP-LETT-4477

From B. D. Walsh   7 November 1864

Summary

Notes Louis Agassiz’s opinions on CD’s views.

Mating and sexual organs of insects.

Author:  Benjamin Dann Walsh
Addressee:  Charles Robert Darwin
Date:  7 Nov 1864
Classmark:  DAR 181: 10
Letter no:  DCP-LETT-4663
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