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From B. D. Walsh   12 November 1865

Summary

Acknowledges CD’s paper on "Climbing plants".

Mentions Asa Gray’s complimentary notice in Silliman’s Journal [Am. J. Sci. and Arts 2d ser. 40 (1865): 273–82].

His difficulty in understanding how males of Daphnia or any other genus can produce eggs. If there is no impregnation, how can there be sexual organs? Why call one form male and another female?

He has sent CD his paper on "the new Potato Bug".

Will soon send "On Phytophagi Species & Unity of Coloration". [phytophagic!?]

Complaints about practices of the English Post Office.

His current research and description of the rationale of his experiments.

Author:  Benjamin Dann Walsh
Addressee:  Charles Robert Darwin
Date:  12 Nov 1865
Classmark:  Field Museum of Natural History, Chicago (Riley bequest of 1948)
Letter no:  DCP-LETT-4934A

To B. D. Walsh   19 December [1865]

Summary

Discusses a variety of subjects: Cynips, galls, potato bugs,

male Daphnia laying eggs.

His Primula experiment results differ from John Scott’s.

Author:  Charles Robert Darwin
Addressee:  Benjamin Dann Walsh
Date:  19 Dec [1865]
Classmark:  Field Museum of Natural History, Chicago (Walsh 6)
Letter no:  DCP-LETT-4952

From Benjamin Dann Walsh   13 March 1866

Summary

On the "bullae" as constant, regular generic characters in Hymenoptera. Disagrees with Louis Jurine ["Observations sur les ailes des hyménoptères", Mem. Accad. Sci. Torino 24 (1820): 177–214].

Author:  Benjamin Dann Walsh
Addressee:  Charles Robert Darwin
Date:  13 Mar 1866
Classmark:  Field Museum of Natural History, Chicago
Letter no:  DCP-LETT-5034

To B. D. Walsh   [19] April [1866]

Summary

CD has followed Lyell’s advice and avoided controversy over Origin but encourages BDW to attack S. H. Scudder and others who argue foolishly or misquote him.

Author:  Charles Robert Darwin
Addressee:  Benjamin Dann Walsh
Date:  [19] Apr [1866]
Classmark:  Field Museum of Natural History, Chicago (Walsh 7)
Letter no:  DCP-LETT-5061

From B. D. Walsh   17 July 1866

Summary

On H. A. Dubois’ attack on "Darwin, Huxley and Lyell"

and H. J. Clark’s Mind in nature [1865].

BDW’s work [on Cynipidae].

Author:  Benjamin Dann Walsh
Addressee:  Charles Robert Darwin
Date:  17 July 1866
Classmark:  Field Museum of Natural History, Chicago
Letter no:  DCP-LETT-5159

To B. D. Walsh   20 August [1866]

Summary

On various subjects: Dana’s misquotations,

H. J. Clark’s book Mind in nature [1865],

BDW’s Cynips experiments, galls,

Balbiani’s paper on aphids ["Sur la reproduction et l’embryogénie des pucerons", C. R. Hebd. Acad. Sci. 62 (1866): 1231–4, 1285–9, 1390–4].

Claus and other Germans testing CD’s views of variability in common lower animals.

Author:  Charles Robert Darwin
Addressee:  Benjamin Dann Walsh
Date:  20 Aug [1866]
Classmark:  Field Museum of Natural History, Chicago (Walsh 5)
Letter no:  DCP-LETT-5194

From B. D. Walsh   [28 November 1866]

Summary

Says Jacob W. Velie wants to exchange birds’ skins with European naturalist.

Comments on meaning of "Darwinism".

Encloses papers from Practical Entomologist.

Discusses Ornithorhynchus paradoxus

and his paper on willow galls.

Mentions human skull found in California.

Author:  Benjamin Dann Walsh
Addressee:  Charles Robert Darwin
Date:  [28 Nov 1866]
Classmark:  American Philosophical Society (Mss.B.D25.324a)
Letter no:  DCP-LETT-5319

To B. D. Walsh   24 December [1866]

Summary

Balbiani’s puzzling observations on Aphis.

Author:  Charles Robert Darwin
Addressee:  Benjamin Dann Walsh
Date:  24 Dec [1866]
Classmark:  Field Museum of Natural History, Chicago (Walsh 8)
Letter no:  DCP-LETT-5320

From Benjamin Dann Walsh   [25 February 1867]

Summary

Sends a copy [missing] of a lecture by L. Agassiz on glaciers.

Claims worker wasps can generate additional workers in the absence of the fertile female.

Author:  Benjamin Dann Walsh
Addressee:  Charles Robert Darwin
Date:  [25 Feb 1867]
Classmark:  Darwin Library–CUL (bound with Siebold 1857), ML 1: 248–9
Letter no:  DCP-LETT-5419

To B. D. Walsh   23 March [1867]

Summary

Thanks for Agassiz’s Lectures. Lyell does not believe a word about glacial action of any kind in lowlands of Brazil. Agassiz’s view of glacial movement has been given up by physicists.

Author:  Charles Robert Darwin
Addressee:  Benjamin Dann Walsh
Date:  23 Mar [1867]
Classmark:  Field Museum of Natural History, Chicago (Walsh 9)
Letter no:  DCP-LETT-5455

To Benjamin Dann Walsh   3 April [1869]

Summary

Glad BDW has proved his case on dimorphism of Cynips.

Interested in galls

and BDW’s Cicada articles [Proc. Entomol. Soc. Philadelphia (1864)].

Author:  Charles Robert Darwin
Addressee:  Benjamin Dann Walsh
Date:  3 Apr [1869]
Classmark:  Field Museum of Natural History, Chicago (Walsh 17)
Letter no:  DCP-LETT-5482

To B. D. Walsh   9 August [1867]

Summary

Is not sure he thinks so much of BDW’s argument in his last paper as of some others he advanced. Is BDW sure Lucanidae use jaws for holding female in copulation rather than for fighting other males?

Author:  Charles Robert Darwin
Addressee:  Benjamin Dann Walsh
Date:  9 Aug [1867]
Classmark:  Field Museum of Natural History, Chicago (Walsh 15)
Letter no:  DCP-LETT-5603

From B. D. Walsh   [before 31 October 1868]

thumbnail

Summary

Beginning of extract from William Dell Hartman’s "Journal of the doings of Cic[ada?] septemdecim" [unidentified] in Pennsylvania in 1851.

Author:  Benjamin Dann Walsh
Addressee:  Charles Robert Darwin
Date:  [before 31 Oct 1868]
Classmark:  DAR 81: 145
Letter no:  DCP-LETT-5755

To Benjamin Dann Walsh   27 January [1868]

Summary

Is sending a copy of Variation [to be published in a few days]. It cost more labour than it is worth.

George Darwin is Second Wrangler.

Author:  Charles Robert Darwin
Addressee:  Benjamin Dann Walsh
Date:  27 Jan [1868]
Classmark:  Field Museum of Natural History, Chicago
Letter no:  DCP-LETT-5803

To B. D. Walsh   14 February 1868

Summary

Requests entomological data on sexual selection, especially proportions of sexes.

Sends Queries about expression with note: "a great hobby of mine".

Author:  Charles Robert Darwin
Addressee:  Benjamin Dann Walsh
Date:  14 Feb 1868
Classmark:  Field Museum of Natural History, Chicago (Walsh 12)
Letter no:  DCP-LETT-5876

To B. D. Walsh   17 February [1868]

Summary

Has looked through BDW’s papers and finds heaps of facts on sexual differences. Asks questions on sexual differences in particular species.

Author:  Charles Robert Darwin
Addressee:  Benjamin Dann Walsh
Date:  17 Feb [1868]
Classmark:  Field Museum of Natural History, Chicago (Walsh 12A)
Letter no:  DCP-LETT-5883

From B. D. Walsh   25 March 1868

Summary

Sexual preference in insects;

structures for seizing females;

coloration.

Doubts whether CD can make much of a case from insects in support of sexual selection.

Author:  Benjamin Dann Walsh
Addressee:  Charles Robert Darwin
Date:  25 Mar 1868
Classmark:  DAR 82: A90–1; A117–18, DAR 85: B65
Letter no:  DCP-LETT-6051

To B. D. Walsh   13 April [1868]

Summary

BDW’s letter [6051?] and his notes are a "mine of wealth". The negative evidence is of much value. Sexual selection is a perplexing subject – finds he "must make the best of a rather bad job".

Sends copy [of Variation].

Author:  Charles Robert Darwin
Addressee:  Benjamin Dann Walsh
Date:  13 Apr [1868]
Classmark:  Field Museum of Natural History, Chicago
Letter no:  DCP-LETT-6113

From B. D. Walsh   1 May 1868

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Summary

BDW believes the coloration of species [of Anthocaris] provides a case of sexual selection.

The state of entomology in the U. S.; Darwinism now a common creed, especially among entomologists.

Author:  Benjamin Dann Walsh
Addressee:  Charles Robert Darwin
Date:  1 May 1868
Classmark:  DAR 82: A115–16
Letter no:  DCP-LETT-6156

To B. D. Walsh   9 June 1868

Summary

Thanks BDW for new facts about Anthocaris [see 6156].

Asks BDW to observe stridulation apparatus in male and female lamellicorns.

Author:  Charles Robert Darwin
Addressee:  Benjamin Dann Walsh
Date:  9 June 1868
Classmark:  Field Museum of Natural History, Chicago (Walsh 13)
Letter no:  DCP-LETT-6236
Document type
letter (32)
Author
Addressee
Correspondent
Date
1864 (5)
1865 (6)
1866 (6)
1867 (3)
1868 (11)
1869 (1)
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