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Darwin Correspondence Project
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From William Bennett   29 April 1864

Summary

Will send grasses CD asked about.

Reports observations on brood of Australian chicks he is hatching.

Author:  William Bennett
Addressee:  Charles Robert Darwin
Date:  29 Apr 1864
Classmark:  DAR 160: 146
Letter no:  DCP-LETT-4475

From [C. P.]   29 April 1864

Summary

On rereading the Origin, he offers a criticism on two grounds: 1. Blending inheritance; 2. The tendency of species to elude competing species. Also competition within species eliminates the weak and thus preserves the species.

Author:  P., C.
Addressee:  Charles Robert Darwin
Date:  29 Apr 1864
Classmark:  DAR 174: 1
Letter no:  DCP-LETT-4476

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
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Moral Nature

Summary

In Descent of Man, Darwin argued that human morality had evolved from the social instincts of animals, especially the bonds of sympathy and love. Darwin gathered observations over many decades on animal behavior: the heroic sacrifices of social insects,…

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Darwin in letters, 1862: A multiplicity of experiments

Summary

1862 was a particularly productive year for Darwin. This was not only the case in his published output (two botanical papers and a book on the pollination mechanisms of orchids), but more particularly in the extent and breadth of the botanical experiments…

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  • … inaugurated a new era in the science’ (A. Gray 1862b, p. 429). Oliver joined in the chorus, telling …