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From Edward Blyth   [2–30 March 1867]

Summary

Discussion of origin of domestic sheep races. Some comments on the yak and the wild ancestors of the llama and alpaca.

Author:  Edward Blyth
Addressee:  Charles Robert Darwin
Date:  [2–30 Mar 1867]
Classmark:  DAR 160: 208
Letter no:  DCP-LETT-5337

From A. R. Wallace   2 March [1867]

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Summary

Pleased that CD approves his idea about caterpillars.

Thinks CD is right about selection in butterflies, but still believes protective adaptation has kept down colours of females.

Cannot yet see action of natural selection in forming the races of man.

Author:  Alfred Russel Wallace
Addressee:  Charles Robert Darwin
Date:  2 Mar [1867]
Classmark:  DAR 85: A98
Letter no:  DCP-LETT-5968
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letter