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From Wilhelm Breitenbach   26 July 1876

Summary

Observations on pollinia of Orchis maculata

and on Primula elatior. [On latter, see Forms of flowers, p. 34.]

Author:  Wilhelm Breitenbach
Addressee:  Charles Robert Darwin
Date:  26 July 1876
Classmark:  DAR 111: B50–4; DAR 160: 290
Letter no:  DCP-LETT-10566

From Wilhelm Breitenbach   11 September 1876

Summary

His research on Orchis maculata.

Discusses effect of disuse of anthers in Salvia officinalis.

Pleased CD can use his observations on Primula elatior.

Author:  Wilhelm Breitenbach
Addressee:  Charles Robert Darwin
Date:  11 Sept 1876
Classmark:  DAR 160: 292
Letter no:  DCP-LETT-10595

From Wilhelm Breitenbach   19 September 1877

Summary

Describes data relating to variability of Primula elatior.

Author:  Wilhelm Breitenbach
Addressee:  Charles Robert Darwin
Date:  19 Sept 1877
Classmark:  DAR 160: 291
Letter no:  DCP-LETT-11145

From Wilhelm Breitenbach   17 April 1879

Summary

Observations on unusual mating behaviour of canaries.

Author:  Wilhelm Breitenbach
Addressee:  Charles Robert Darwin
Date:  17 Apr 1879
Classmark:  DAR 160: 293
Letter no:  DCP-LETT-11999

From Wilhelm Breitenbach   10 February 1880

Summary

Describes formation of student nature study club at the University of Jena. Sends birthday greetings from the club.

Author:  Wilhelm Breitenbach
Addressee:  Charles Robert Darwin
Date:  10 Feb 1880
Classmark:  DAR 160: 294
Letter no:  DCP-LETT-12470

To Wilhelm Breitenbach   13 February 1880

Summary

Thanks society of students at Jena for birthday congratulations.

Author:  Charles Robert Darwin
Addressee:  Wilhelm Breitenbach
Date:  13 Feb 1880
Classmark:  DAR 143: 143
Letter no:  DCP-LETT-12477

To Wilhelm Breitenbach   21 September 1880

Summary

Comments on WB’s paper ["Über Variabilitäts-Erscheinungen an den Blüthen von Primula elatior und eine Anwendung des biogenetischen Grundgesetzes", Bot. Ztg. 38 (1880): 577–80].

Author:  Charles Robert Darwin
Addressee:  Wilhelm Breitenbach
Date:  21 Sept 1880
Classmark:  DAR 143: 144
Letter no:  DCP-LETT-12719

From Wilhelm Breitenbach   [before 20 June 1881]

Summary

Arrived in Brazil three months ago. Studying insects and plants, but work suffers from lack of scientific literature.

Fritz Müller has written to him to observe relations between ants and plants.

Writing popular articles about evolution for German newspaper in Brazil.

Sends paper from Kosmos.

Expects to spend several years in Brazil.

Author:  Wilhelm Breitenbach
Addressee:  Charles Robert Darwin
Date:  [before 20 June 1881]
Classmark:  DAR 202: 16
Letter no:  DCP-LETT-12962

To Wilhelm Breitenbach   20 [June] 1881

Summary

Glad WB has arrived in Brazil. Suggests study of insects and study of fertilisation in Melastomataceae. Want of books is not a serious evil.

Author:  Charles Robert Darwin
Addressee:  Wilhelm Breitenbach
Date:  20 [June] 1881
Classmark:  DAR 143: 145
Letter no:  DCP-LETT-13021

From Wilhelm Breitenbach   9 September 1881

Summary

Thanks for gift of Movement in plants.

Plans botanical research in Brazil.

Hermann von Jhering is conducting experiments on snakes.

WB obliged to work as newspaper correspondent.

Plans breeding experiments on dimorphic plants.

Author:  Wilhelm Breitenbach
Addressee:  Charles Robert Darwin
Date:  9 Sept 1881
Classmark:  DAR 160: 295
Letter no:  DCP-LETT-13325

From Wilhelm Breitenbach   22 February 1882

Summary

Describes his collections and research on Brazilian insects, especially Orthoptera. Comments on insect phylogeny.

Author:  Wilhelm Breitenbach
Addressee:  Charles Robert Darwin
Date:  22 Feb 1882
Classmark:  DAR 160: 296
Letter no:  DCP-LETT-13700
Document type
letter (11)
Correspondent
Date
1876 (2)
1877 (1)
1879 (1)
1880 (3)
1881 (3)
1882 (1)
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