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From Charles James Fox Bunbury   7 February 1856

Summary

Has heard CD is much interested in questions relating to varieties and species. Mentions a case of a seminal variety of Colletia spinosa, described by John Lindley, which appears identical with another wild species of Colletia from S. America. Hopes CD will one day "enlighten us very much" on "the laws of species". There are many different views on the limits of species; M. F. Dunal made 50 species of Solanum which George Bentham considers are all varieties of S. nigrum.

Author:  Charles James Fox Bunbury, 8th baronet
Addressee:  Charles Robert Darwin
Date:  7 Feb 1856
Classmark:  DAR 160: 374, DAR 205.4: 97
Letter no:  DCP-LETT-1830

From C. J. F. Bunbury   16 April 1856

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Summary

Is interested by what CD tells him about his researches and speculations on species, variation, and distribution. Hopes he will not give up the idea of publishing his views. Advises CD on need for caution and candour. Raises some difficulties with "specific centre" theory of distribution.

Author:  Charles James Fox Bunbury, 8th baronet
Addressee:  Charles Robert Darwin
Date:  16 Apr 1856
Classmark:  DAR 205.2: 218
Letter no:  DCP-LETT-1854
Document type
letter (2)
Addressee
Darwin, C. R.disabled_by_default
Correspondent
Bunbury, C. J. F.disabled_by_default
Darwin, C. R.disabled_by_default