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To Henry Walter Bates   11 February [1868]

Summary

Asks about proportions of male to female insects.

Author:  Charles Robert Darwin
Addressee:  Henry Walter Bates
Date:  11 Feb [1868]
Classmark:  American Philosophical Society (B D25.339)
Letter no:  DCP-LETT-5858

From H. W. Bates   18 February 1868

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Summary

Has put question of proportion of sexes in insects to the Entomological Society. Quotes H. T. Stainton and F. Smith. Cites some cases mentioned by other members.

Is reading Variation; does not quite understand Pangenesis.

Author:  Henry Walter Bates
Addressee:  Charles Robert Darwin
Date:  18 Feb 1868
Classmark:  DAR 86: A4–5
Letter no:  DCP-LETT-5893

To H. W. Bates   19 February [1868]

Summary

CD in utter confusion about differences between J. O. Westwood and HWB on division of certain insects. Asks if HWB will homologise certain families for him, telling him which terms would be most generally understood.

Asks also about differences on sound-producing organs of Achetidae Gryllidae.

Author:  Charles Robert Darwin
Addressee:  Henry Walter Bates
Date:  19 Feb [1868]
Classmark:  Cleveland Health Sciences Library (Robert M. Stecher collection)
Letter no:  DCP-LETT-5895

From H. W. Bates   21 February 1868

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Summary

Comments on J. O. Westwood’s entomological nomenclature.

Discusses the organs for stridulation in Orthoptera [see Descent 1: 352ff].

Author:  Henry Walter Bates
Addressee:  Charles Robert Darwin
Date:  21 Feb 1868
Classmark:  DAR 82: A32–3
Letter no:  DCP-LETT-5909

To H. W. Bates   22 February [1868]

Summary

Thanks HWB for bringing "the question of sexes" before the Entomological Society. Feels he will come to some conclusion by comparison of numerous observations.

It appears Pangenesis "will expire unblessed and uncursed by the world".

Author:  Charles Robert Darwin
Addressee:  Henry Walter Bates
Date:  22 Feb [1868]
Classmark:  Houghton Library, Harvard University (Autograph file, D)
Letter no:  DCP-LETT-5914

From H. W. Bates   26 February 1868

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Summary

Finds no absolute differences in size of sexes of Copridae. Gives several other genera in which males are larger than females.

Confirms his view of stridulation organ of house cricket. [see Descent 1: 354–5.]

Tells CD of a powerful convert to Darwinism: H. von Kiesenwetter of Berlin.

Author:  Henry Walter Bates
Addressee:  Charles Robert Darwin
Date:  26 Feb 1868
Classmark:  DAR 82: A34–5
Letter no:  DCP-LETT-5936

From H. W. Bates   12 March 1868

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Summary

Results of his examination of divergence in sexual coloration of tropical American butterflies. [See Descent 1: 389 on Junonia and Papilio.]

Author:  Henry Walter Bates
Addressee:  Charles Robert Darwin
Date:  12 Mar 1868
Classmark:  DAR 82: A40–1
Letter no:  DCP-LETT-6007

To H. W. Bates   18 March [1868]

Summary

Requests information on the standard of beauty of savages and on whether the female has any influence in selecting a male.

Author:  Charles Robert Darwin
Addressee:  Henry Walter Bates
Date:  18 Mar [1868]
Classmark:  Cleveland Health Sciences Library (Robert M. Stecher collection)
Letter no:  DCP-LETT-6022

To H. W. Bates   15 April [1868]

Summary

CD has questions related to colour differences in the sexes of butterflies, especially in relation to HWB’s paper ["On variation in sexes of Argynnis diana", Proc. Entomol. Soc. Philadelphia 4 (1865): 204–7].

Mentions that his MS on Lepidoptera [for Descent] is longer than he intended and the information is four-fifths owed to HWB.

Author:  Charles Robert Darwin
Addressee:  Henry Walter Bates
Date:  15 Apr [1868]
Classmark:  Cleveland Health Sciences Library (Robert M. Stecher collection)
Letter no:  DCP-LETT-6120

From H. W. Bates   20 April 1868

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Summary

In addition to the drawing of a caterpillar which CD intends to use,

HWB sends information on differences of colour and pattern between the sexes of species of Papilio.

Argynnis diana and A. sagana have females that are brightly coloured, but these may be cases of protective mimicry.

Author:  Henry Walter Bates
Addressee:  Charles Robert Darwin
Date:  20 Apr 1868
Classmark:  DAR 82: A42–3
Letter no:  DCP-LETT-6132

To H. W. Bates   22 April [1868]

Summary

Thanks HWB for answering questions.

The MS on Lepidoptera is almost finished and he is glad HWB will read it; he is fearful of mistakes, not being familiar with the subject.

Author:  Charles Robert Darwin
Addressee:  Henry Walter Bates
Date:  22 Apr [1868]
Classmark:  Cleveland Health Sciences Library (Robert M. Stecher collection)
Letter no:  DCP-LETT-6135

From H. W. Bates   20 May 1868

Summary

HWB thinks he can buy specimens of male and female insects at Mr Janson’s.

Author:  Henry Walter Bates
Addressee:  Charles Robert Darwin
Date:  20 May 1868
Classmark:  DAR 160: 83
Letter no:  DCP-LETT-6194

To H. W. Bates   21 May [1868]

Summary

Lists specimens he wants from Mr Janson, emphasising that he always wants male and female.

He extends an invitation for a Sunday in early June.

Author:  Charles Robert Darwin
Addressee:  Henry Walter Bates
Date:  21 May [1868]
Classmark:  Cleveland Health Sciences Library (Robert M. Stecher collection)
Letter no:  DCP-LETT-6195

From H. W. Bates   28 May 1868

Summary

He has been occupied with Royal Geographical Society anniversary meeting, but did go to Janson and selected various specimens for CD, some of which have remarkable stridulating organs.

The habits of Lethrus are found in Kirby and Spence’s Introduction [to entomology, 7th ed. (1856)].

Author:  Henry Walter Bates
Addressee:  Charles Robert Darwin
Date:  28 May 1868
Classmark:  DAR 160: 84
Letter no:  DCP-LETT-6214

From H. W. Bates   10 September 1868

Summary

Because of work on the first number of the new Royal Geographical Society magazine, a manual of geography, and other things, HWB finds he must decline CD’s invitation.

Author:  Henry Walter Bates
Addressee:  Charles Robert Darwin
Date:  10 Sept 1868
Classmark:  DAR 160: 85
Letter no:  DCP-LETT-6360

From H. W. Bates   29 September 1868

Summary

Informs CD of K. G. Semper’s desire to meet him and to discuss new information on volcanic phenomena, geographical distribution, etc.

Author:  Henry Walter Bates
Addressee:  Charles Robert Darwin
Date:  29 Sept 1868
Classmark:  DAR 160: 86
Letter no:  DCP-LETT-6399
Document type
letter (16)
Addressee
Correspondent
Date
1868
02 (6)
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