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To C. H. Blackley   9 March 1877

Summary

Thanks for CHB’s essay [New observations on hay-fever (1877?)]. The calculation of the weight of pollen-grains is wonderful. Suggests he consult Cross and self-fertilisation, pp. 376, 405 for information on this subject.

Author:  Charles Robert Darwin
Addressee:  Charles Harrison Blackley
Date:  9 Mar 1877
Classmark:  Yale University Medical Historical Library, Harvey Cushing / John Hay Whitney Medical Library (MMS)
Letter no:  DCP-LETT-10886

From C. H. Blackley   18 June 1877

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Summary

Asks if phosphoric acid could have killed Drosera he received in a matchbox.

Author:  Charles Harrison Blackley
Addressee:  Charles Robert Darwin
Date:  18 June 1877
Classmark:  DAR 86: B12–13
Letter no:  DCP-LETT-11007
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letter (2)
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Date
1877
03 (1)
06 (1)
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