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To H. W. Bates   26 March [1861]

Summary

Comments on the great extent of variations and on the acknowledgment of the new idea of greater female variety.

Expresses belief that the glacial period did affect the tropics, though HWB’s arguments have confounded him.

Poses a series of questions concerning sexual selection.

Author:  Charles Robert Darwin
Addressee:  Henry Walter Bates
Date:  26 Mar [1861]
Classmark:  Cleveland Health Sciences Library (Robert M. Stecher collection)
Letter no:  DCP-LETT-3100

Matches: 5 hits

  • … that the glacial period did affect the tropics, though HWB’s arguments have confounded …
  • … a letter some days ago to him, that the Tropics of S.  America seem to have suffered less …
  • … may have been formed more rapidly within Tropics than one would have expected. I freely …
  • … period did to certain extent affect the Tropics. — Would you kindly answer me 2 or 3  …
  • … most beautiful in our eyes? Do you know in Tropics any strictly nocturnal moths with gaudy …

To H. W. Bates   13 January [1862]

Summary

Has been in bad health and has just read HWB’s MS in the last two days. Praises the book; assured it will be successful. Offers to write to Murray. Hooker interested in conclusions on colour.

Author:  Charles Robert Darwin
Addressee:  Henry Walter Bates
Date:  13 Jan [1862]
Classmark:  Cleveland Health Sciences Library (Robert M. Stecher collection)
Letter no:  DCP-LETT-3382

Matches: 3 hits

  • … about your conclusion of colours.  of Butterflies & Tropics. M.S.  returned by the Post. …
  • … climbers ”. — How are moths & sphinxes in Tropics. Did you sugar? Is the little Heron …
  • … colouring of many birds and insects in the tropics was due to the climate ( Bates 1863 , …

From H. W. Bates   28 March 1861

Summary

Discusses specific varieties, especially geographic varieties.

Comments on the effects of the glacial age on the tropics.

Sexual selection.

Author:  Henry Walter Bates
Addressee:  Charles Robert Darwin
Date:  28 Mar 1861
Classmark:  DAR 160.1: 62
Letter no:  DCP-LETT-3104

Matches: 2 hits

  • … varieties. Comments on the effects of the glacial age on the tropics. Sexual selection. …
  • … nocturnal Lepidoptera gaily coloured in the tropics: There is no scarcity of brilliantly …

To Henry Walter Bates   22 November [1860]

Summary

Thanks for interesting letter which confirms belief that a good observer is a good theorist.

He is glad to hear that HWB, with his wide knowledge of natural history, has anticipated CD in many respects and agrees with the Origin.

Has been thoroughly attacked, especially by entomologists – J. O. Westwood, T. V. Wollaston, and Andrew Murray.

Glad HWB is writing on "equatorial refrigeration"; CD expresses his belief in north to south migration during glacial period.

Author:  Charles Robert Darwin
Addressee:  Henry Walter Bates
Date:  22 Nov [1860]
Classmark:  Cleveland Health Sciences Library (Robert M. Stecher collection)
Letter no:  DCP-LETT-2993

Matches: 2 hits

  • … s theory of the probable cooling of the tropics during the Pleistocene era ( Bates 1860 , …
  • … the migration of Arctic species through the tropics, he nonetheless concluded that the ‘ …

From H. W. Bates   19 May 1862

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Summary

Miocene glacial period a remarkable discovery; if it is true, enlargement of Tertiary period necessary.

Received German monograph on Chilean Carabi that does not answer where isolated species came from.

HWB finds genital modifications of Chrysomela strong support for the theory.

Thanks for copy of Orchids.

Author:  Henry Walter Bates
Addressee:  Charles Robert Darwin
Date:  19 May 1862
Classmark:  DAR 160.1: 69
Letter no:  DCP-LETT-3564

Matches: 2 hits

  • … distribution of the genus. No Carabus has been found within the tropics & none beyond …
  • … the Southern tropic in Eastern Hemisphere   He goes into many inquiries arising out of the …

To H. W. Bates   4 May [1862]

Summary

Thanks for letter and "valuable" extracts.

If S. American Carabi differ more from other species than do those from other distant locations (e.g., Siberia, Europe, etc.), CD agrees that difference would be too great to have occurred in the recent glacial age; CD also rejects independent origin. Plants seem to migrate more readily than animals. HWB should not underrate length of glacial period; CD also believes they will be driven to an older glacial period.

Sorry about news of British Museum – hopeless to contend against anyone supported by Owen.

CD dearly wishes HWB could find a situation in which he could give time to science.

Author:  Charles Robert Darwin
Addressee:  Henry Walter Bates
Date:  4 May [1862]
Classmark:  Cleveland Health Sciences Library (Robert M. Stecher collection)
Letter no:  DCP-LETT-3532

Matches: 2 hits

  • … hemispheres & not in the intermedial Tropics. In Australia, … there are some striking …
  • … are not known to occur within the Tropics … In regard to insects, I carefully collected …

To H. W. Bates   18 April [1863]

Summary

Has finished vol. 1 [of Naturalist on the river Amazons]. CD praises book as "best ever published in England".

The review in the Athenæum was cold, as always, and insolent.

Author:  Charles Robert Darwin
Addressee:  Henry Walter Bates
Date:  18 Apr [1863]
Classmark:  Cleveland Health Sciences Library (Robert M. Stecher collection)
Letter no:  DCP-LETT-4107

Matches: 1 hit

  • … relating to p.  55, ‘competition in the Tropics’, where Bates described ( Bates 1863 , 1: …

To H. W. Bates   30 April [1863]

Summary

After finishing vol. 2 [of Naturalist on the river Amazons], CD still has only praise. Remarks that his family is also enjoying the book. He regrets having finished, since he so enjoyed the descriptions.

Author:  Charles Robert Darwin
Addressee:  Henry Walter Bates
Date:  30 Apr [1863]
Classmark:  Cleveland Health Sciences Library (Robert M. Stecher collection)
Letter no:  DCP-LETT-4132

Matches: 1 hit

  • … the Amazon, contrasting England with the tropics. Before concluding with his final view of …

From Henry Walter Bates   6 January 1862

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Summary

Sends CD ch. 2 of his book [The naturalist on the river Amazons] for suggestions, having accepted CD’s recommendations concerning ch. 1.

Effects of climate on dress in ch. 1 similar to, but independent of, notions expressed by CD in his Journal of researches [p. 381].

On geology, book deals with distribution and theory of deltas of the Amazon.

Author:  Henry Walter Bates
Addressee:  Charles Robert Darwin
Date:  6 Jan 1862
Classmark:  DAR 160.1: 64
Letter no:  DCP-LETT-3377

Matches: 1 hit

  • … belief that the birds and insects of the tropics were generally larger and more beautiful …

From H. W. Bates   30 April 1862

Summary

Discusses insects of south temperate S. America and New Zealand, especially with respect to the distribution and origin of Chilean Carabi, and has sent for a German monograph to learn about the eleven species he has found.

He refers to Chilean poverty in butterflies; scanty New Zealand insect fauna.

An analysis of south temperate insects is desirable, but the small English collections make him afraid to undertake it.

Author:  Henry Walter Bates
Addressee:  Charles Robert Darwin
Date:  30 Apr 1862
Classmark:  DAR 47: 175, DAR 160.1: 67–8
Letter no:  DCP-LETT-3523

Matches: 1 hit

  • … therefore that no Carabus crossed the tropics during the recent Glacial epoch. It is …
Document type
Addressee
Correspondent
Date
1860 (1)
1861 (2)
1862 (5)
1863 (2)
Search:
tropic in keywords
3 Items

Alfred Russel Wallace

Summary

Wallace was a leading Victorian naturalist, with wide-ranging interests from biogeography and evolutionary theory to spiritualism and politics. He was born in 1823 in Usk, a small town in south-east Wales, and attended a grammar school in Hertford. At the…

Matches: 1 hits

  • … field naturalists of his day, with unsurpassed knowledge on tropic flora, fauna, and native peoples. …

Satire of FitzRoy's Narrative of the Voyages of the Adventure and Beagle, by John Clunies Ross. Transcription by Katharine Anderson

Summary

[f.146r Title page] Voyages of the Adventure and Beagle Supplement / to the 2nd 3rd and Appendix Volumes of the First / Edition Written / for and in the name of the Author of those / Volumes By J.C. Ross. / Sometime Master of a…

Matches: 2 hits

  • … and rain, with occasional calms and storms) extends to the Tropic of Capricorn and from N.E. n …
  • … the billowy swell raised by the S.W. y storms beyond the Tropic, runs up to these Islands (as it …

Movement in Plants

Summary

The power of movement in plants, published on 7 November 1880, was the final large botanical work that Darwin wrote. It was the only work in which the assistance of one of his children, Francis Darwin, is mentioned on the title page. The research for this…

Matches: 1 hits

  • … begun to produce aerial roots. Darwin had hoped to study the tropic movements of such roots, but …