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From J. I. Rogers   12 October 1876

Summary

His brother, George, reports from Calcutta a case of a man whose hands are divided like a cow’s foot.

Author:  John Innes Rogers
Addressee:  Charles Robert Darwin
Date:  12 Oct 1876
Classmark:  DAR 176: 195
Letter no:  DCP-LETT-10640

From J. I. Rogers to Francis Darwin   25 March 1878

Summary

Suggests movements of sensitive plants may protect against insects.

Author:  John Innes Rogers
Addressee:  Francis Darwin
Date:  25 Mar 1878
Classmark:  DAR 176: 196
Letter no:  DCP-LETT-11445

From J. I. Rogers to Francis Darwin   29 March 1878

Summary

JIR’s "theory" of sensitive plants published in an anonymous letter he sent to the Field 2½ years ago. Mechanisms for protection against insects in sensitive plants.

Author:  John Innes Rogers
Addressee:  Francis Darwin
Date:  29 Mar 1878
Classmark:  DAR 176: 197
Letter no:  DCP-LETT-11453

From J. I. Rogers to Francis Darwin   6 June 1878

Summary

Suggests sensitive plants that close at night would be protected from nocturnal-feeding snails. JIR’s brother in India says snails occur there in abundance.

Author:  John Innes Rogers
Addressee:  Francis Darwin
Date:  6 June 1878
Classmark:  DAR 176: 198
Letter no:  DCP-LETT-11545

From J. I. Rogers to Francis Darwin   2 July 1878

Summary

JIR’s brother writes from India in support of the protective function of plant sensitivity.

Author:  John Innes Rogers
Addressee:  Francis Darwin
Date:  2 July 1878
Classmark:  DAR 176: 199
Letter no:  DCP-LETT-11585

From J. I. Rogers   13 January 1880

Summary

Responds to article in Nature on the sexual colours of butterflies [Collected papers 2: 220–2].

Author:  John Innes Rogers
Addressee:  Charles Robert Darwin
Date:  13 Jan 1880
Classmark:  DAR 176: 200
Letter no:  DCP-LETT-12422
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letter (6)
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1876 (1)
1878 (4)
1880 (1)
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