From Hermann Müller 16 February 1876
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 |
From Hermann Müller 6 December 1876
Summary
Thanks for Cross and self-fertilisation.
Fritz Müller has been appointed "Naturalista Viajante" of the Rio de Janeiro Museum, which will help his income greatly.
Author: | Heinrich Ludwig Hermann (Hermann) Müller |
Addressee: | Charles Robert Darwin |
Date: | 6 Dec 1876 |
Classmark: | DAR 171: 308 |
Letter no: | DCP-LETT-10702 |
From Hermann Müller 28 December 1876
Summary
No papers on heterostyly have appeared since 1873.
Author: | Heinrich Ludwig Hermann (Hermann) Müller |
Addressee: | Charles Robert Darwin |
Date: | 28 Dec 1876 |
Classmark: | DAR 171: 309 |
Letter no: | DCP-LETT-10736 |