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To Hermann Müller   26 October 1875

Summary

On HM’s Befruchtung der Blumen [1873].

Author:  Charles Robert Darwin
Addressee:  Heinrich Ludwig Hermann (Hermann) Müller
Date:  26 Oct 1875
Classmark:  DAR 146: 436
Letter no:  DCP-LETT-10228

To Hermann Müller   7 August 1876

Summary

Comments on Fritz Müller’s article on Hedychium.

Author:  Charles Robert Darwin
Addressee:  Heinrich Ludwig Hermann (Hermann) Müller
Date:  7 Aug 1876
Classmark:  DAR 146: 437
Letter no:  DCP-LETT-10572

To Hermann Müller   1 January [1878]

Summary

Thanks HM for his review [of Forms of flowers, Kosmos 2 (1877–8): 286].

Thinks HM’s previous article was very important [Kosmos 2 (1877–8): 128–40]. CD will "heartily rejoice" if HM has explained the steps by which Rhamnus and Valeriana have been rendered dioecious.

Author:  Charles Robert Darwin
Addressee:  Heinrich Ludwig Hermann (Hermann) Müller
Date:  1 Jan [1878]
Classmark:  DAR 146: 438
Letter no:  DCP-LETT-11307

To Hermann Müller   20 September 1878

Summary

Writing on vegetable physiology.

Nothing in CD’s life has ever interested him more than the fertilisation of such plants as Primula and Lythrum.

Author:  Charles Robert Darwin
Addressee:  Heinrich Ludwig Hermann (Hermann) Müller
Date:  20 Sept 1878
Classmark:  DAR 146: 439
Letter no:  DCP-LETT-11698

To Hermann Müller   12 February [1879]

Summary

Has just heard that HM has been treated shamefully by his Government. What has happened?

Author:  Charles Robert Darwin
Addressee:  Heinrich Ludwig Hermann (Hermann) Müller
Date:  12 Feb [1879]
Classmark:  DAR 146: 440
Letter no:  DCP-LETT-11876

To Hermann Müller   18 July 1880

Summary

Enjoyed HM’s castigation of Gaston Bonnier ["Gaston Bonniers angebliche Widerlegung der modernen Blumentheorie", Kosmos 7 (1880): 219–36].

Author:  Charles Robert Darwin
Addressee:  Heinrich Ludwig Hermann (Hermann) Müller
Date:  18 July 1880
Classmark:  DAR 146: 441
Letter no:  DCP-LETT-12473

To Hermann Müller   27 November 1880

Summary

Has heard of flood from which Fritz Müller escaped. Has he lost books, microscope, apparatus? Offers £50 or £100.

Author:  Charles Robert Darwin
Addressee:  Heinrich Ludwig Hermann (Hermann) Müller
Date:  27 Nov 1880
Classmark:  DAR 146: 442
Letter no:  DCP-LETT-12866

To Hermann Müller   29 March [1867]

Summary

Has learned that Fritz Müller is HM’s brother.

Author:  Charles Robert Darwin
Addressee:  Heinrich Ludwig Hermann (Hermann) Müller
Date:  29 Mar [1867]
Classmark:  DAR 146: 428
Letter no:  DCP-LETT-5471

To Hermann Müller   16 August [1867]

Summary

Made aware by Asa Gray of error with respect to Cypripedium. Does not doubt it is self-fertilised.

Author:  Charles Robert Darwin
Addressee:  Heinrich Ludwig Hermann (Hermann) Müller
Date:  16 Aug [1867]
Classmark:  DAR 146: 429, Krause 1884
Letter no:  DCP-LETT-5608

To Hermann Müller   [9 October 1867]

Summary

Müller’s observations on orchids excellent.

Author:  Charles Robert Darwin
Addressee:  Heinrich Ludwig Hermann (Hermann) Müller
Date:  [9 Oct 1867]
Classmark:  Krause 1884, p. 18
Letter no:  DCP-LETT-5620F

To Hermann Müller   23 February [1868]

Summary

Offers to undertake publication of English translation of Fritz Müller’s Für Darwin. W. S. Dallas will translate it.

Author:  Charles Robert Darwin
Addressee:  Heinrich Ludwig Hermann (Hermann) Müller
Date:  23 Feb [1868]
Classmark:  DAR 146: 430
Letter no:  DCP-LETT-5919

To Hermann Müller   9 October 1868

Summary

Pleased HM says good words for Pangenesis.

Author:  Charles Robert Darwin
Addressee:  Heinrich Ludwig Hermann (Hermann) Müller
Date:  9 Oct 1868
Classmark:  DAR 146: 431
Letter no:  DCP-LETT-6415

To Hermann Müller   14 March 1870

Summary

Interested that HM is studying structure of insects in relation to flowers.

Author:  Charles Robert Darwin
Addressee:  Heinrich Ludwig Hermann (Hermann) Müller
Date:  14 Mar 1870
Classmark:  DAR 146: 432, Krause 1884
Letter no:  DCP-LETT-7131

To Hermann Müller   [before 5 May 1872]

Summary

Comments on HM’s paper ["Anwendung der Darwin’schen Lehre auf Bienen", Verh. Naturhist. Ver. preuss. Rheinland 29 (1872): 1–96];

sexual selection in bees.

Encloses account on habits of Bombus.

Author:  Charles Robert Darwin
Addressee:  Heinrich Ludwig Hermann (Hermann) Müller
Date:  [before 5 May 1872]
Classmark:  DAR 146: 433; DAR 194: 1; Krause ed. 1885–6, 2: 84–8
Letter no:  DCP-LETT-8312

To Hermann Müller   5 May 1873

Summary

Comments on HM’s book [Die Befruchtung der Blumen (1873)]. Particularly glad to read historical sketch and discussion of work of C. K. Sprengel.

Author:  Charles Robert Darwin
Addressee:  Heinrich Ludwig Hermann (Hermann) Müller
Date:  5 May 1873
Classmark:  DAR 146: 434
Letter no:  DCP-LETT-8901

To Hermann Müller   30 May 1873

Summary

Further comments on HM’s [Befruchtung der Blumen (1873)].

Author:  Charles Robert Darwin
Addressee:  Heinrich Ludwig Hermann (Hermann) Müller
Date:  30 May 1873
Classmark:  DAR 146: 435; Krause 1884
Letter no:  DCP-LETT-8929

From Hermann Müller   23 October 1875

Summary

Is glad CD is working on cross- and self-fertilisation; reports recent works of botanists, notably Thomas Meehan’s ["Are insects any material aid to plants in fertilisation?", Philadelphia Press 13 Aug 1875], in which the importance of cross-fertilisation is denied.

Author:  Heinrich Ludwig Hermann (Hermann) Müller
Addressee:  Charles Robert Darwin
Date:  23 Oct 1875
Classmark:  DAR 171: 305
Letter no:  DCP-LETT-10219

From Hermann Müller   16 February 1876

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Summary

Observations on hive- and humble-bees. Perforating habits differ in different individuals of the same species.

Author:  Heinrich Ludwig Hermann (Hermann) Müller
Addressee:  Charles Robert Darwin
Date:  16 Feb 1876
Classmark:  DAR 46.2: C61–2
Letter no:  DCP-LETT-10396

From Hermann Müller   4 September 1876

Summary

Bombus mastrucatus, an alpine bee, conforms to his observations that B. terrestris breaks open the flowers of Trifolium pratense. However, in the Alps, B. terrestris does not behave this way.

Gentiana species are adapted to lepidopteran cross-fertilisation.

Author:  Heinrich Ludwig Hermann (Hermann) Müller
Addressee:  Charles Robert Darwin
Date:  4 Sept 1876
Classmark:  DAR 171: 306
Letter no:  DCP-LETT-10589

From Hermann Müller   4 October 1876

Summary

He has never observed the straight line flight routes in male humble-bees that CD reports.

His last letter was in error: alpine Bombus terrestris does break into some flowers.

Author:  Heinrich Ludwig Hermann (Hermann) Müller
Addressee:  Charles Robert Darwin
Date:  4 Oct 1876
Classmark:  DAR 171: 307
Letter no:  DCP-LETT-10631
Document type
letter (52)
Addressee
Correspondent
Darwin, C. R.[X]
Müller, Hermann[X]
Date
1867 (6)
1868 (5)
1869 (2)
1870 (2)
1871 (1)
1872 (2)
1873 (9)
1874 (1)
1875 (3)
1876 (6)
1877 (2)
1878 (4)
1879 (3)
1880 (6)
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