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To B. D. Walsh   27 March [1865]

Summary

Comments on BDW’s papers ["On certain entomological speculations of the New England school of naturalists", Proc. Entomol. Soc. Philadelphia 3 (1864): 207–49; "On insects inhabiting the galls of certain species of willow", ibid. 3 (1864): 543–644]; much is new to CD.

Asks about wide-ranging insect genera,

Rocky Mt. wingless insects,

willow hybrids,

galls,

and other subjects.

Author:  Charles Robert Darwin
Addressee:  Benjamin Dann Walsh
Date:  27 Mar [1865]
Classmark:  Field Musuem of Natural History, Chicago (Walsh 3)
Letter no:  DCP-LETT-4797

Matches: 55 hits

  • … To B.  D.  Walsh   27 March [1865] …
  • … Darwin, C. R. Walsh, B. D. …
  • … Field Musuem of Natural History, Chicago (Walsh 3) Charles Robert Darwin Down …
  • … 27 Mar [1865] Benjamin Dann Walsh
  • … in Origin , pp.  135–6. See letter from B.  D.  Walsh, 1 March 1865 and nn.  34 and 37. …
  • … between this letter and the letter from B.  D.  Walsh, 1 March 1865. Letter from B.   …
  • … D.  Walsh, 1 March 1865. …
  • … The reference is to the first part of Walsh 1864–5, …
  • … in which Walsh discussed the influence of insects’ food-plants on insect variation and …
  • … species. CD’s indexed and heavily annotated copy of the first part of Walsh 1864–5, …
  • … 17). CD alludes to Walsh’s discussion of Louis Agassiz’s views expressed in J.  L.  R.   …
  • … 1857–62 and 1863 (see letter from B.  D.  Walsh, 1 March 1865 and nn.  25–7). CD refers to …
  • … to Bates 1861. See letter from B.  D.  Walsh, 1 March 1865 and nn.   33–5. CD refers to …
  • … inscribed by Walsh, is in the Darwin Pamphlet Collection– …
  • … CUL.  Walsh coined the term ‘ …
  • … phytophagic unity’ in Walsh 1864b, p.  635, to convey his observation that when the larvae …
  • … found on that genus of plants. CD discussed Walsh’s findings in both papers in Origin 4th …
  • … ed. , pp.  55–6 and 187. See also letter from B.  D.  Walsh, 1 March  1865 and n.   …
  • … 14. Walsh 1864b; there is a heavily annotated copy of this paper in …
  • … the Darwin Pamphlet Collection–CUL.  CD cited Walsh 1864b in his discussion of galls in …
  • … appended to CD’s copy of the first part of Walsh 1864–5, in addition to CD’s annotations …
  • … that CD was particularly interested in Walsh’s remarks on gradation in structure and …
  • … phytophagic varieties to phytophagic species (Walsh 1864–5, pp.  427–9; see Origin 4th …
  • … ed. , pp.  55–6). See also CD’s handwritten index appended to his copy of Walsh 1864b, …
  • … and Walsh 1864b, pp.  567, 642– …
  • … 3. CD also refers to Walsh’s law of ‘ …
  • … Unity of Coloration’ (Walsh 1864b, pp.  635–6), according to which identical shades of …
  • … mistake that was corrected to ‘coloration’ by Walsh. CD had been considering variations of …
  • … and hybrid willows was also stimulated by Walsh’s discussion of which gall-making insect …
  • … species inhabited particular species of willows (see Walsh 1864b, pp.  544– …
  • … 6, 638–41). In Walsh 1866, which was …
  • … the second part of Walsh  …
  • … 1864b, Walsh investigated CD’s query and made further observations on various gall-making …
  • … different species of willow. CD cited Walsh 1864b and 1866 in his discussion of galls (see …
  • … Variation 2: 282–3). An annotated copy of Walsh 1866 is in the Darwin Pamphlet Collection– …
  • … CUL. Cecidomyia is a genus of gall-forming midges. Walsh discussed …
  • … them in Walsh 1864b (see also letter from B.   …
  • … D.  Walsh, 1 March 1865). …
  • … CD refers to his suggestion that Walsh experiment with inserting insect and other poisons …
  • … see Correspondence vol.  12, letter to B.  D. Walsh, 21 October [1864] and n.  6). See …
  • … regarding the poisons and plant tissues. Walsh discussed the guest-flies, or inquilines, …
  • … inhabited the galls of other insects in Walsh 1864b, pp.  619–34; he noted that guest …
  • … which they were closely allied ( ibid. , p.  634). Walsh also discussed several different …
  • … species of guest- flies in Walsh 1866, arguing that the inquilinous saw-flies, for …
  • … identical’ with the gall-making saw-fly (Walsh 1866, p.  279; see also pp.  237–8). …
  • … bee genus Bombus and lays its eggs in the latter’s nests. Walsh had discussed Apathus …
  • … and Bombus in Walsh 1864c, pp.  246–7; there is an annotated copy in the Darwin Pamphlet …
  • … also letter to J.  D.  Hooker, 4 May [1865] . Walsh had published a paper on dimorphism in …
  • … Cynips , a genus of gall-wasps, in March 1864 (Walsh 1864a). See also letter from B.   …
  • … D.  Walsh, 1 March 1865 and n.  20. …
  • … and ‘Two forms in species of Linum ’; Walsh had requested that CD send the former after …
  • … salicaria ’ (see letter from B.  D. Walsh, 1 March 1865). CD refers to his discussion of …
  • … Lythrum salicaria ’ (see letter from B.  D.  Walsh, 1 March 1865 and n.  13). CD refers to …
  • … 1862 and 1863). See letter from B.  D.  Walsh, 1 March 1865 and nn.  15 and 17. CD added …
  • … may have included gemmation (see letter from B.  D.  Walsh, 1  March 1865 and n.   …

From Benjamin Dann Walsh   1 March 1865

Summary

Sends his paper on "Willow-galls" [Proc. Entomol. Soc. Philadelphia 3 (1864): 543–644].

Lengthy criticism of Agassiz’s views on species as stated in his Essay on classification [1857].

Interested by CD’s trimorphism in Lythrum. Thinks some great mystery may lie in the fact that in some genera, some species are tri-, some di-, and some monomorphic, and in other genera, Apis, Vespa, Bombus, all the known species are dimorphic.

Author:  Benjamin Dann Walsh
Addressee:  Charles Robert Darwin
Date:  1 Mar 1865
Classmark:  Field Museum of Natural History, Chicago
Letter no:  DCP-LETT-4778

Matches: 59 hits

  • … From Benjamin Dann Walsh   1 March 1865 …
  • Walsh, B. D. Darwin, C. R. …
  • … of Science and Arts , p.  114. See letter to B.  D.  Walsh, 27 March [1865] and n.  5. …
  • … Natural History, Chicago Benjamin Dann Walsh Rock Island, Ill. 1 Mar 1865 Charles Robert …
  • … structure. Ever yours very truly | Benj. D.  Walsh P.S.  I was glad to see the other day …
  • … See Correspondence vol.  12, letters to B.  D.  Walsh, 4 December [1864] and [4 December  …
  • … 1864? ]. Walsh had requested photographs of CD and John Obadiah Westwood (see …
  • … Correspondence vol.  12, letter from B.  D.  Walsh, 7 November 1864 ). The photograph of …
  • … from W.  E. Darwin, [19 May  1864] . Walsh was a student at Trinity College, Cambridge, …
  • … Correspondence vol.  12, letter from B.  D.  Walsh, 29 April – 19 May 1864 and nn.  1 and …
  • … s letter, which requested portraits of Walsh, Thomas Say, Thaddeus William Harris, and ‘ …
  • … New World’, in his letter to B.  D.  Walsh, [4 December 1864? ] ( Correspondence vol.   …
  • … DAB ). ‘Three forms of Lythrum salicaria ’. Walsh’s name appears on CD’s presentation list …
  • … L.  hyssopifolia had only one form. Walsh published a paper on dimorphism in Cynips , …
  • … a genus of gall-wasps, in March 1864 (Walsh 1864a). See also n.  20, below. ‘Dimorphic …
  • … founder and first editor, Benjamin Silliman. Walsh refers to the footnote on pp.  191–2  …
  • … 1866, are in DAR 111: A37–40 and A58. The first part of Walsh’s article ‘On phytophagic …
  • … varieties and phytophagic species’ (Walsh 1864–5) and his article ‘On the insects, …
  • … the galls of certain species of willow’ (Walsh 1864b) were published in the Proceedings of …
  • … and December 1864, respectively. There are heavily annotated copies of Walsh 1864–5 and …
  • … 1864b, inscribed by Walsh, in the Darwin Pamphlet Collection– …
  • … CUL. Walsh 1864b, pp.  571–4 and 641–4, discussed observations made by the Russian …
  • … published in German in 1863 (Wagner 1863). Walsh was at first sceptical of Wagner’s claims …
  • … have observed what later became known as paedogenesis; however, see Walsh 1866, p.  288. …
  • … In CD’s copy of Walsh 1864b (Darwin Pamphlet Collection–CUL), the pages discussing Wagner’ …
  • … s work are lightly annotated. Walsh refers to the German invertebrate zoologist Karl …
  • … Wagner’s observations had been confirmed by others. Walsh refers firstly to alternation of …
  • … see EB 13: 429, and letter to B.  D.  Walsh, 19 December [1865] ). In the nineteenth …
  • … OED ). See Correspondence vol.  12, letter to B.  D.  Walsh, 4 December [1864] . …
  • … In Walsh  …
  • … 1864c Walsh had criticised Louis Agassiz’s statement that the insects of the temperate …
  • … L.  R.  Agassiz 1850, pp.  187 n. , 248). Walsh argued that scientific opinion was against …
  • … explained in terms of genetic links (Walsh 1864c, pp.  218–23), and criticised Agassiz’s …
  • … 1: 11–13), and an annotated copy of Walsh 1864c in the Darwin Pamphlet Collection–CUL.   …
  • … January 1865  and n.  6. The article, ‘Mr.  Walsh on Darwinism’, appeared in the Reader , …
  • … 31 December 1864, p.   837. The article favourably reviewed Walsh 1864c, quoting from …
  • … it at length, including Walsh’s view that Agassiz had ‘totally misapprehended and …
  • … given himself the trouble to read Darwin’s book through’ (Walsh 1864c, p.  223). See also …
  • … n.  18, above. CD had given Walsh’s paper on …
  • … dimorphism in Cynips (Walsh 1864a) to John Lubbock, who reviewed it in the January 1865  …
  • … Correspondence vol.  12, letter from B.  D.  Walsh, 29 April [– 19 May] 1864, letter to …
  • … B.  D.  Walsh, 21 October [1864] , and letter from John Lubbock, 3 November 1864 ). …
  • … There is an annotated copy of Walsh 1864a, …
  • … inscribed by Walsh, in the Darwin Pamphlet Collection–CUL. The reference is to ‘Ueber den …
  • … Alexander Agassiz had entered into correspondence with Walsh on Darwinism following …
  • … the publication of Walsh 1864c (see Correspondence vol.  12, letter from …
  • … B.  D.  Walsh, 7 November 1864 ); for a discussion of Agassiz’s views on CD’s theory, see …
  • … pp.  47–52, and Winsor 1991, pp.  147–54. Walsh refers to Georges Cuvier’s formulation of …
  • … Correspondence vol.  12, letter from B.  D.  Walsh, 4 December [1864] and nn.  4 and 5. …
  • … Correspondence vol.  12, letter from B.  D.  Walsh, 7 November 1864 . In his ‘Essay on …
  • … recommended this paper in his letter to Walsh of 4 December [1864] ( Correspondence vol.   …
  • … Bombus copulation in Correspondence vol.  12, letter to B.  D.  Walsh, 4 December [1864] . …
  • Walsh argued that unity of habits was the ‘very essence of the thing that we …
  • … Structure, and Structure makes the Genus’ (Walsh 1864b, p.  570; see also ibid. , pp.   …
  • … Le Conte’s entomological publications. Walsh refers to Thomas Vernon Wollaston. Wollaston …
  • … On certain entomological speculations of the New England school of naturalists’ (Walsh  …
  • … 1864c), Walsh cited Le Conte’s conclusions on the geographical distribution of Coleoptera …
  • … v). CD scored this passage in his copy of Walsh 1864c in the Darwin Pamphlet Collection– …
  • … monograph on Coleoptera (Lacordaire 1854–75). Walsh refers to CD’s discussion of T.  V.   …

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

Matches: 23 hits

  • … To Benjamin Dann Walsh   3 April [1869] …
  • … Darwin, C. R. Walsh, B. D. …
  • … Field Museum of Natural History, Chicago (Walsh 17) Charles Robert Darwin Down …
  • … 3 Apr [1869] Benjamin Dann Walsh
  • … ate little and did not breed ([B.  D.  Walsh and Riley] 1868b). The species, Melanopus …
  • … 2004). Though no further correspondence with Walsh has been found, issues of the American …
  • … by the publication date of the American Entomologist articles sent by Walsh (see n.   …
  • … 2, below). Walsh’s letter has not been found. CD refers to issues 4, 6, and 7 of the first …
  • … Darwin Pamphlet Collection–CUL; four articles by Walsh and Charles Valentine Riley (B.   …
  • … D.  Walsh and Riley 1868a–b and 1869a–b) are annotated (see nn.3, 5, 6, and 8, below). …
  • … Correspondence vol.  16, letter from B.  D.  Walsh, 29 August 1868 and n.  17, and letter …
  • … to B.  D.  Walsh, 31 October 1868 . …
  • … CD had cited Walsh’s earlier paper on galls (B.   …
  • … D.  Walsh 1866) in Variation 2: 282–5. …
  • … In ‘The hateful or Colorado grasshopper’, Walsh and Riley discussed the sterility of the …
  • … female forms of C.  q.  spongifica was presented in B.  D.  Walsh and Riley 1869a, p.   …
  • … 103; Walsh had explained the experiment in his letter to CD of 12 November 1865 ( …
  • … Correspondence vol.  13). For Walsh’s initial speculation on the subject, see B.   …
  • … D.  Walsh 1864, pp.  447–8, and Correspondence vol.  12. …
  • … an entomologist in the British Museum. Walsh and Riley started the American Entomologist …
  • … Correspondence vol.  16, letter from B.  D.  Walsh, 29 August 1868 ). The article on wasps …
  • … is B.  D.  Walsh and Riley 1869b. In ‘The periodical cicada’ ( …
  • … B.  D.  Walsh and Riley 1868a), the authors described Cicada septemdecim (now Magicicada …

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

Matches: 26 hits

  • … To B.  D.  Walsh   19 December [1865] …
  • … Darwin, C. R. Walsh, B. D. …
  • … Field Museum of Natural History, Chicago (Walsh 6) Charles Robert Darwin Down …
  • … 19 Dec [1865] Benjamin Dann Walsh
  • … results, see the letter from B.  D.  Walsh, 29 May 1865 , n.  3. CD’s research on intra- …
  • … discussed in the letter to M.  E. Wichura, 3 February [1865]. CD had sent Walsh a copy …
  • … of Scott 1864b; Walsh praised the paper in his letter of 29 May 1865, noting the ‘ …
  • … See letter from B.  D.  Walsh, 12 November 1865 . …
  • … In his paper on dimorphism in Cynips , Walsh had argued that there were two female forms …
  • … spongifica , one agamous, the other sexual (Walsh 1864a). In his letter of 12 November  …
  • … of four, five, eight, or ten years. Walsh also remarked that Cynips species rarely fly, …
  • … and breed from year to year on the same tree. Walsh planned to complete a second paper on …
  • … autumn of 1866 (see Correspondence vol.  14, letter from B.  D.  Walsh, 17 July 1866 ). …
  • … In later correspondence, CD and Walsh discussed an unspecified form of oak-gall that had …
  • … Correspondence vol.  14, letter to B.  D.  Walsh, 20 August [1866] , and letter to B.   …
  • … D.  Walsh, 9 August [1867] , Calendar no.  5603). The steady increase of ‘the oak gall’ is …
  • … Newton, 15 March 1874 , Calendar no.  9364. CD refers to Walsh 1865. See letter from B.   …
  • … D.  Walsh, 12 November 1865  and n.  8. According to Emma Darwin’s diary (DAR 242), John …
  • … Lubbock, in June 1865 ( DNB ). See letter from B.  D.  Walsh, 29 May 1865  and n.  14. …
  • … See also letter from B.  D.  Walsh, 12 November 1865 . …
  • … In his letter to CD of 1 March 1865, Walsh had expressed doubts about Nikolai Petrovich …
  • … as forms of gemmation (see letter to B.  D.  Walsh, 27 March [1865] ; see also letter from …
  • … B.  D.  Walsh, 29 May 1865 ). In …
  • … to his 1866 paper on willow-galls, Walsh cited subsequent research that confirmed Wagner’s …
  • … English naturalist, Sir J.  Lubbock’ (Walsh 1866, p.  288). In Variation 2: 384 n. , CD …
  • … 1865] and n.  9). See letter from B.  D.  Walsh, 12 November 1865  and n.  10. On John …

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

Matches: 37 hits

  • … From B.  D.  Walsh   17 July 1866 …
  • Walsh, B. D. Darwin, C. R. …
  • … of Natural History, Chicago Benjamin Dann Walsh Rock Island, Ill. 17 July 1866 Charles …
  • … in England. Yours very truly | Benj. D.  Walsh 3.1 Analysis of … York 3.2] double scored …
  • … gall insect in Walsh 1866b, pp.  283–4, noting that it had been wrongly classified by Asa …
  • Walsh refers to his article …
  • … on James Dwight Dana (Walsh 1866c) and to Dana’s article ( …
  • … Dana 1866). Walsh had previously criticised Dana’ …
  • … s theory of classification in Walsh 1864a, pp.  238–49. …
  • … In his letter to Walsh of [19] April [1866], CD remarked that he was preparing …
  • … a fourth edition of Origin. Walsh’s name is on the presentation list for the book (see …
  • … female form of C.  q.  spongifica (Walsh 1864c, pp.  447–8). See also Correspondence …
  • … further identified. See Reinhard 1865, p.  9. Walsh gave a similar account of his research …
  • … 1865 ( Correspondence vol.  13). Walsh and CD had previously discussed reproduction by …
  • … see Correspondence vol.  13, letter to B.  D.  Walsh, 19 December [1865] and nn.  7  …
  • … and 8). The reference is to Walsh 1866b. There is a heavily annotated …
  • … copy in the Darwin Pamphlet Collection–CUL. Walsh had sent CD the first part …
  • … of the paper the previous year (Walsh 1864b; see Correspondence vol.  13, letter from …
  • … B.  D. Walsh, 1 March 1865 and n.   …
  • … 14). Walsh remarked that the study of gall-making insects …
  • … 1853, Post Office London directory 1866). Walsh refers to the Smithsonian Institution in …
  • … Washington, DC. See letter from B.  D.  Walsh, 13 March 1866 and n.  8, and letter …
  • … to B.  D.  Walsh, [19] April [1866] and n.  5. The eponymous hero of Charles …
  • … gruel after three months in the workhouse. Walsh refers to ‘The origin and antiquity of …
  • … s hypothesis’ ([Dubois] 1865, p.  337). Walsh refers to William Henry Edwards. A variation …
  • … of the expression ‘The game is not worth the candle’. On Walsh’s enthusiastic support of …
  • … CD’s theory, see Walsh 1864d, Correspondence vol.  12, letter from …
  • … B.  D. Walsh, 7 November 1864 , and Sorensen 1995. CD discussed William Herbert’s work on …
  • … Henslow, 15 [June 1866] and nn.  6–8. Walsh refers to Mind in nature: or, the origin of …
  • … rapidly (see Correspondence vol.  13, letter to B.  D.  Walsh, 19 December [1865] and n.   …
  • … 3). Walsh’s paper, ‘On dimorphism …
  • … in the hymenopterous genus Cynips ’ (Walsh 1864c), was reviewed by Hermann Reinhard in …
  • … Reinhard 1865). CD’s annotated copy of Walsh’s paper is in the Darwin Pamphlet …
  • … Collection–CUL.  Walsh had argued that the gall insect Cynips quercus aciculata was a …
  • … implications for the origin of species (Walsh 1866b, p.  274). In his concluding remarks, …
  • … is precisely that which we should … expect to meet with’ (Walsh 1866b, pp.  287–8). …
  • … The paper is cited in Variation 2: 282. Walsh described the …

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

Matches: 32 hits

  • … From B.  D.  Walsh   12 November 1865 …
  • Walsh, B. D. Darwin, C. R. …
  • … Chicago (Riley bequest of 1948) Benjamin Dann Walsh Rock Island, Ill. 12 Nov 1865 Charles …
  • … See letter to B.  D.  Walsh, 9 July [1865] . …
  • … CD had sent Walsh his paper ‘Climbing plants’ earlier in the year (see letter to …
  • … B.  D.  Walsh, 9 July [1865] ). No presentation list for the paper has been found. …
  • … See letter to B.  D.  Walsh, 9 July [1865] . See letter from …
  • … B.  D.  Walsh, 1 March 1865 and n.  2. The first part of Asa Gray’s review of ‘Climbing …
  • … improve. | Yours ever very truly, | Benj. D.  Walsh P.S.  Has M r . Lubbock arrived at any …
  • … also letter from B.  D.  Walsh, 1 March 1865, and letter to B.   …
  • … D.  Walsh, 27 March [1865] . …
  • … No further article by Walsh on the subject has been found. …
  • … CD had forwarded Walsh 1864a to John Lubbock, who wrote a brief notice of the paper in the …
  • … and n.  3. In his letter of 29 May 1865, Walsh had discussed a passage from Wild scenes in …
  • … of Venezuela by Ramón Páez (Paez 1863). Walsh refers to the review of Wagner 1865 by …
  • … William Chester Minor (Minor 1865). See letter from B.  D.  Walsh, 29 May 1865  and n.   …
  • … 14. Walsh 1865. …
  • Walsh’s article ‘The new potato bug, and its natural history’ described a beetle, …
  • … Mountain region into the state of Illinois. Walsh suggested that the insect fed on wild …
  • … into the Plains region. For a discussion of Walsh’s research on the potato beetle, see …
  • … 1995, pp.  121–5. The second part of Walsh’s article ‘On phytophagic varieties and …
  • … of the Entomological Society of Philadelphia (Walsh 1864–5). CD’s heavily annotated copy …
  • … is in the Darwin Pamphlet Collection–CUL. Walsh had sent CD the first part of the paper …
  • … earlier in 1865 (see letter from B.  D.  Walsh, 1 March 1865 and n.  14); for CD’s …
  • … comments on it, see the letter to B.  D.  Walsh, 27 March [1865] and nn.  3 and 5. …
  • … See also letter from B.  D.  Walsh, 29 May 1865 . For periodicals carrying the newspaper …
  • … July 1865, pp.  10–14). Henry Walter Bates. Walsh had sent copies of some of his papers to …
  • … Bates, 22 March 1865 ). See n.  10, above. Walsh had sent CD an article on dimorphism in …
  • … Correspondence vol.  12, letter from B.  D.  Walsh, 29 April – 19 May 1864, and letters to …
  • … B.  D.  Walsh, 21 October [1864] and 4 December [ …
  • … 1864]). Walsh argued that the gall insect Cynips quercus aciculata , hitherto regarded as …
  • … species, was a dimorphic female form of C.  q.  spongifica (Walsh 1864a, pp.  447–8). See …

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

Matches: 20 hits

  • … To B.  D.  Walsh   9 August [1867] …
  • … Darwin, C. R. Walsh, B. D. …
  • … Field Museum of Natural History, Chicago (Walsh 15) Charles Robert Darwin Down …
  • … 9 Aug [1867] Benjamin Dann Walsh
  • Walsh’s letter has not been …
  • … found. Walsh evidently enclosed copies of Practical Entomologist for May and July 1867 ( …
  • … second half of a paper on gall insects (Walsh 1866). CD probably received the paper early …
  • … see Correspondence vol.  14, letter to B.  D.  Walsh, 24 December [1866] ). CD’s heavily …
  • … 14). The reference is to Walsh’s statement that male horn-bugs (family Lucanidae) …
  • … jaws to grasp females during mating; Walsh made this statement in a two-part paper that …
  • … of the final paragraph was scored. In it Walsh wrote: ‘Surely, therefore, upon general …
  • … powers, draws most largely and exorbitantly upon our Faith’ (Walsh 1866, p.  288). …
  • … The Practical Entomologist , which was edited by Walsh, ceased publication with the double …
  • … issue for August and September 1867 (vol.  2, nos.  11 and 12). Walsh’s wife …
  • … was Rebecca Walsh. …
  • Walsh evidently received two copies of the fourth edition of Origin (see Correspondence …
  • … vol.  14, letter to B.  D.  Walsh, 24 December [1866] ). Joseph Leidy had written to CD …
  • … It is not known whether Leidy received Walsh’s spare copy of the book. CD was working on …
  • … Only a fragment of the original letter from Walsh of [25 February 1867] has been found, …
  • … but to twigs’ in his letter to B.  D.  Walsh of 20 August [1866] ( Correspondence vol.   …

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

Matches: 22 hits

  • … To B.  D.  Walsh   [19] April [1866] …
  • … Darwin, C. R. Walsh, B. D. …
  • … Field Museum of Natural History, Chicago (Walsh 7) Charles Robert Darwin Down [ …
  • … 19] Apr [1866] Benjamin Dann Walsh
  • … had died on 6 March 1866 ( DNB ). Walsh had been a student and fellow at Trinity College, …
  • … April 1866. CD refers to the second part of Walsh 1864–5 and to Alfred Russel Wallace (see …
  • … letter from B.  D.  Walsh, 13 March 1866). …
  • Walsh had observed four stable colour variants in the gall insect, Halesidota …
  • … but not at the imago stage. On this basis, Walsh proposed a new species, H.  Harrissii , …
  • … 31 May [1866] and n.  11. CD quotes from Walsh 1864–5, p.  215. William Whewell, an …
  • … basis of comparisons between adult forms (Walsh 1864–5, pp.  197–200). He drew an analogy …
  • … CD’s copy (Darwin Pamphlet Collection–CUL). Walsh described eighteen spots, arranged in a …
  • … when millions of other patterns were available (Walsh 1864–5, pp.  207–8); this section is …
  • … in CD’s copy. See letter from B.  D.  Walsh, 13 March 1866 and n.  8. CD had received …
  • … correspondence between CD and Armistead has been found. In the postscript to Walsh 1864– …
  • … 5, Walsh criticised a recent paper by Samuel Hubbard Scudder, …
  • … which a passage from Origin was misquoted (Walsh 1864–5, p.  216; see also Scudder 1866, …
  • … pp.  26–7). Walsh concluded: ‘A theory must be strong indeed, when, as would seem from the …
  • … 22 February [1866] ). CD added two references to Walsh in the fourth edition of Origin , …
  • … citing his work on phytophagic forms (Walsh 1864–5), and his ‘law of equable variability’, …
  • … species tend to be variable in allied species (Walsh 1863, p.  213). See Origin 4th ed. , …
  • … pp.  55, 187. Walsh’s name appears on CD’s presentation list for the fourth edition of …

From Benjamin Dann Walsh   29 April – 19 May 1864

Summary

Recalls being introduced to CD when [undergraduate] at Cambridge.

Sends CD some of his pamphlets

and expresses support of Origin.

Has discovered there are "3 sexes" in the solitary Cynips as well as social insects.

Author:  Benjamin Dann Walsh
Addressee:  Charles Robert Darwin
Date:  29 Apr – 19 May 1864
Classmark:  DAR 181: 9
Letter no:  DCP-LETT-4477

Matches: 22 hits

  • Walsh, B. D. Darwin, C. R. …
  • … From Benjamin Dann Walsh   29 April – 19 May 1864 …
  • … DAR 181: 9 Benjamin Dann Walsh Rock Island, Ill. 29 Apr – 19 May 1864 Charles Robert …
  • … s annotations refer to subjects discussed in his letter to Walsh of 21 October [1864], …
  • … and to topics covered in Walsh 1864a, ‘On dimorphism in the hymenopterous genus Cynips ’. …
  • … at Trinity College at the same time as Walsh ( Alum. Cantab. ). For CD’s interest in …
  • … see also Browne 1995, pp.  99–104. Walsh was a fellow at Trinity College, Cambridge, in …
  • … was a female form of C.  q. spongifica (Walsh 1864a, pp.  447–8). CD’s announced intention …
  • … see Variation 1: 4–10) were never completed. CD wrote to Walsh on 21 October [1864]. CD’ …
  • … of England (Brooke 1993, pp.  99–106). Walsh emigrated to the United States in 1838 or …
  • … DAB ). The Darwin Pamphlet Collection–CUL contains five articles by Walsh published before …
  • … April 1864: Walsh 1862a, 1862b, 1863a, 1863b, and 1864a. Each article is inscribed by the …
  • … five articles sent (see n.  4, above), Walsh followed his inscription with page numbers; …
  • … on these pages, many of which discussed CD’s theory. The pages Walsh directed CD’s …
  • … attention to were Walsh 1862a, p.   …
  • … 383, Walsh 1863a, pp.   …
  • … 213–19, Walsh 1863c, pp.   …
  • … 294–8, and Walsh 1864a, pp.  461– 2. CD cited these four articles in his later work: see …
  • … 283, 351–2; and Descent 1: 314, 361. For Walsh’s and other North American entomologists’ …
  • … support of CD’s theory, see Sorensen 1995, pp.  197–213, 247, and 255. Walsh refers …
  • … to Walsh 1864a, ‘On dimorphism in the hymenopterous genus Cynips ’ (see nn.   …
  • … 4 and 7, above). In the paper, Walsh argued that the gall insect Cynips quercus …

From B. D. Walsh   29 May 1865

Summary

Discusses several subjects, including examples of "Unity of coloration",

the origin of gall-producing poison,

Wagner’s theory of viviparous larvae,

and stridulation in insects.

Sends a reference supporting CD’s statement in Origin that flies check propagation of horses and cattle.

Author:  Benjamin Dann Walsh
Addressee:  Charles Robert Darwin
Date:  29 May 1865
Classmark:  DAR 47: 179, 179a; DAR 207: 18
Letter no:  DCP-LETT-4839

Matches: 30 hits

  • … From B.  D.  Walsh   29 May 1865 …
  • Walsh, B. D. Darwin, C. R. …
  • … DAR 47: 179, 179a; DAR 207: 18 Benjamin Dann Walsh Rock Island, Ill. 29 May 1865 Charles …
  • … Letter to B.  D.  Walsh, 27 March [1865]. …
  • … CD had sent Walsh copies of ‘Dimorphic condition in Primula ’, ‘Two forms in species of …
  • … Linum ’ (see letter from B.  D.  Walsh, 1 March 1865, and letter to B.   …
  • … D.  Walsh, 27 March [1865] ), and, evidently, an offprint of John Scott’s study of …
  • … My analogy of variation is nearly same as Walsh law of equable coloration, only I refer …
  • … tend to be constant in allied species’ (Walsh 1863, p.  213); adding that this law was …
  • … Origin , p.  168). CD also comments on Walsh’s law of equable variability in Origin 4th …
  • … Ever yours very truly, | Benj. D.  Walsh section excised the so-called remainder of …
  • … s challenge, see Correspondence vols.  10–12. For CD’s interest in Walsh’s law of unity of …
  • … coloration, see his letter to Walsh of 27 March [1865] and nn.  5 and 6. In Origin , pp.   …
  • … 2–]5, ‘Genus Planorbis, Müller ’, p.  5). Walsh probably refers to Achille Guenée’s three- …
  • … 1: xlii–xliv and 3: fig.  1; however, Walsh appears to have translated Guenée’s terms into …
  • … a nomenclature of his own. See letter to B.  D.  Walsh, 27 March [1865] . See letter to …
  • … B.  D.  Walsh, 27 March [1865] and nn.  8 and 9. …
  • … as to whether guest-flies may have developed from gall-flies, and for Walsh’s subsequent …
  • … discussion in Walsh 1866, see the letter to B.   …
  • … D.  Walsh, 27 March [1865] and n.  10. For CD’s comment on Nikolai Petrovich Wagner’ …
  • … 1862 and 1863), see the letter to B.  D.  Walsh, 27 March [1865] and nn.  15 and 16. Penis …
  • … C.  T.  Lewis and Short 1969). For Walsh’s eventual conclusion regarding paedogenesis, see …
  • … the letter to B.  D. Walsh, 19 December [ …
  • … 1865] , and Walsh 1866, p.  288. The reference is to the review of Wagner’s article on …
  • … Science and Arts , pp.  362–3 (Minor 1865). Walsh was misled by a mistake in translation …
  • … males produced eggs (Minor 1865, p.  362). Walsh probably refers to the second American …
  • … 1996. See also Correspondence vols.  9–11. Walsh refers to Origin , p.  72. The reference …
  • … was a son of General José Antonio Páez (see letter from B.  D.  Walsh, 12 November 1865 ). …
  • … On Walsh’s law of unity of coloration, see n.  4, above. For CD’s discussion of analogous …
  • … 348–52. In Variation 2: 351–2, CD mentioned Walsh’s ‘Law of Equable Variability ’: ‘if any …

From B. D. Walsh   7 November 1864

Summary

Notes Louis Agassiz’s opinions on CD’s views.

Mating and sexual organs of insects.

Author:  Benjamin Dann Walsh
Addressee:  Charles Robert Darwin
Date:  7 Nov 1864
Classmark:  DAR 181: 10
Letter no:  DCP-LETT-4663

Matches: 27 hits

  • … From B.  D.  Walsh   7 November 1864 …
  • Walsh, B. D. Darwin, C. R. …
  • … See also letters to B.  D.  Walsh, 4 December [1864] and [4 December 1864? ]. …
  • … DAR 181: 10 Benjamin Dann Walsh Rock Island, Ill. 7 Nov 1864 Charles Robert Darwin …
  • … Letter to B.  D.  Walsh, 21 October [1864]. …
  • … The reference is to Walsh 1864b. …
  • Walsh claimed that Louis Agassiz’s Methods of study in natural history (Agassiz 1863b) …
  • … implicit attack on CD’s theory of species as presented in Origin (see Walsh 1864b, pp.   …
  • … 223–4). Walsh argued that Agassiz had misrepresented CD’s theory, …
  • … ignoring natural selection and the struggle for existence (Walsh 1864b, pp.  223–31). …
  • … An annotated copy of Walsh 1864b is in the Darwin Pamphlet Collection–CUL.  See also …
  • … War, see McPherson 1988, pp.  442–50. Walsh’s collection was destroyed in the Chicago fire …
  • … Westwood. Westwood enclosed a photograph for Walsh in his letter to CD, 2 December 1864. …
  • … dear Sir, | very sincerely yours | Benj. D.  Walsh 1.1 Your welcome … intelligence”. 2.11] …
  • … 1863 and n.  18. For a discussion of Walsh’s public support of CD’s theory, see Sorensen  …
  • … 1995, pp.  199–200 and 211–12. Walsh refers to Alexander Agassiz, son of Louis Agassiz. In …
  • … Marginalia 1: 13). See also letter to B.  D.  Walsh, 4 December [1864] . In the preface to …
  • … in America, see Lurie 1960, pp.  306–8. Walsh’s botanical friend has not been identified. …
  • … see Winsor 1991, pp.  27–42 and 44–65. Walsh may have attended one of the public lectures …
  • … to March 1864 (see Marcou 1896, 2: 138–9). Walsh’s New England correspondent has not been …
  • … at Harvard, see Winsor 1991, pp.  35–6. Walsh refers to François Jules Pictet de la Rive. …
  • … See letter to B.  D. Walsh, 4 December [1864] and n.  7. …
  • … See letter to B.  D.  Walsh, 21 October [1864] . …
  • Walsh’s observations of male insects that were structurally adapted for …
  • … published in the Practical Entomologist (Walsh 1867, p.  88). CD cited this article in …
  • … and Libellulidae, or dragonflies; on Walsh’s view of the variation of sexual organs, and …
  • … see Winsor 1991, pp.  99–100. CD cited Walsh 1862a on differences of coloration between …

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

Matches: 16 hits

  • … To B.  D.  Walsh   24 December [1866] …
  • … Darwin, C. R. Walsh, B. D. …
  • … D.  Walsh, [28 November 1866] and n.  8). …
  • … Field Museum of Natural History, Chicago (Walsh 8) Charles Robert Darwin Down …
  • … 24 Dec [1866] Benjamin Dann Walsh
  • … John Murray, 22 December [1866] and n.  2). Walsh had earlier asked CD to send the book to …
  • … The 29 September 1866 issue of the Practical Entomologist contained Walsh’s article on the …
  • … naturalised gooseberry saw-fly (Walsh 1866a); CD’s heavily annotated copy is in the Darwin …
  • … is uncut. See Balbiani 1866, p.  64. The reference is to Walsh 1866b (see letter from B.   …
  • … CUL.  The other issue has not been found. Walsh was associate editor of the Practical …
  • … Entomologist. See letter from B.  D.  Walsh, [28 November 1866] and n.   …
  • … 4. Walsh had told CD of a report that the platypus ( Ornithorhynchus ) was not oviparous ( …
  • … see letter from B.  D.  Walsh, [28 November 1866] and n.  6). It is not known to what …
  • … 24 December [1866] . The section of Walsh’s letter of [28 November 1866] discussing the …
  • … now missing, but see the letter from B.  D.  Walsh, 17 July 1866 , and the letter to B.   …
  • … D.  Walsh, 20 August [1866] . CD refers to Edouard-Gérard Balbiani and his study ‘On the …

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 (324a)
Letter no:  DCP-LETT-5319

Matches: 20 hits

  • … From B.  D.  Walsh   [28 November 1866] …
  • Walsh, B. D. Darwin, C. R. …
  • … Philosophical Society (324a) Benjamin Dann Walsh unstated [28 Nov 1866] Charles Robert …
  • … a copy. Yours ever very truly, | Benj. D.  Walsh. Chas. Darwin Esq. P.S.  I suppose you …
  • … The date is established by Walsh’s endorsement on the envelope of the letter to B.   …
  • … D.  Walsh, 20 August [1866] , ‘answered Nov.  28, 1866’. …
  • … The review has not been further identified. Walsh refers to arguments in Louis Agassiz’s …
  • … Entomological Society of Philadelphia (Walsh 1864a: see especially pp.  223–5; see also …
  • … B.  D.  Walsh, 1 March 1865 and n.  14). The reference is to the ‘Calaveras skull’, found …
  • … for earlier discussions between CD and Walsh on this topic). CD’s lightly annotated copy …
  • … 1: 13); his heavily annotated copy of Walsh 1864a is in the Darwin Pamphlet Collection– …
  • … October 1865 and ended in September 1867. Walsh’s title, on the front page of each issue, …
  • … 29 September 1866 is in the Darwin Pamphlet Collection–CUL.  An article by Walsh on the …
  • … gooseberry saw-fly (Walsh 1866a) is heavily annotated. …
  • Walsh refers to Carl Robert Romanovich von der Osten Sacken. Evidence that Ornithorhynchus …
  • … be ovoviviparous (Griffiths 1978, p.  5). Walsh refers to Jacob W.  Velie. CD forwarded a …
  • … December [1866] , and letter to B.  D.  Walsh, 24 December [1866] ). The reference is to …
  • … the galls of certain species of willow (Walsh 1866b), published in the Proceedings of the …
  • … annotated copy is in the Darwin Pamphlet Collection–CUL. Walsh had sent CD the first part …
  • … of the paper the previous year (Walsh 1864b; see Correspondence vol.  13, letter from …

To B. D. Walsh   31 October 1868

Summary

Thanks BDW for extracts about "drumming" [of male Cicada to attract females].

Asa Gray and Hooker doubt that 13–year and 17–year Cicada forms should be considered distinct species. CD is inclined to agree with them.

Suggests observations be made of ratio of females to males in the rarer form.

Author:  Charles Robert Darwin
Addressee:  Benjamin Dann Walsh
Date:  31 Oct 1868
Classmark:  Field Museum of Natural History, Chicago (Walsh 16)
Letter no:  DCP-LETT-6437

Matches: 12 hits

  • … To B.  D.  Walsh   31 October 1868 …
  • … Darwin, C. R. Walsh, B. D. …
  • … Field Museum of Natural History, Chicago (Walsh 16) Charles Robert Darwin Down …
  • … 31 Oct 1868 Benjamin Dann Walsh
  • … in the shape of the genital hooklet (see letter from B.  D.  Walsh, 29 August 1868 ). …
  • … No letter from Walsh containing such a reference to dimorphism has been found. CD refers …
  • … to William Dell Hartman (see memorandum from B.  D.  Walsh, [before 31 October 1868]). …
  • … For one of the extracts sent by Walsh, see the memorandum from B.   …
  • … D.  Walsh, [before 31 October 1868]. See letter from …
  • … B.  D.  Walsh, 29 August 1868 . CD …
  • … commented on the cicadas in his letter to Walsh of 21 September 1868. A group of guests, …
  • … John Tyndall, 20 October 1868  and n.  1). Walsh had described another difference between …

To B. D. Walsh   21 October [1864]

Summary

Thanks for letter and memoirs.

Suggests a "rather hopeless experiment" of introducing poisons into tissues of plants on the chance that monstrous growths may be produced.

Author:  Charles Robert Darwin
Addressee:  Benjamin Dann Walsh
Date:  21 Oct [1864]
Classmark:  Field Museum of Natural History, Chicago (Walsh)
Letter no:  DCP-LETT-4640

Matches: 16 hits

  • … To B.  D.  Walsh   21 October [1864] …
  • … Darwin, C. R. Walsh, B. D. …
  • … Field Museum of Natural History, Chicago (Walsh) Charles Robert Darwin Down …
  • … 21 Oct [1864] Benjamin Dann Walsh
  • … n.  5). These questions are answered in the letter from B.  D.  Walsh, 7 November 1864 . …
  • … See letter from B.  D.  Walsh, 29 April – 19 May 1864 and n.   …
  • … 4. Walsh may also have recently …
  • … sent CD a copy of Walsh 1864c, which had been published in August 1864; there is a …
  • … Pamphlet Collection–CUL. See letter from B.  D.  Walsh, 29 April – 19 May 1864 and n.   …
  • … 7. CD refers to Walsh 1864a, ‘On dimorphism in the hymenopterous genus Cynips ’. See …
  • … letter from B.  D.  Walsh, 29 April – 19 May 1864 and n.  8. CD had been interested in the …
  • … 1856] and n.  3, and Descent 2: 314). Walsh had concluded that Cynips quercus aciculata …
  • … occurring exclusively in the female sex ( Walsh 1864a, pp.  447–8). CD refers to John …
  • … November 1864 . It is not known whether Walsh acted on this suggestion. CD was interested …
  • … see Correspondence vol.  13, letter to B.  D.  Walsh, 27 March [1865] , letter to B.   …
  • … D.  Walsh, 3 April [1869] ( Calendar no.  5482), and Variation 2: 283–4). CD conducted …

To B. D. Walsh   4 December [1864]

Summary

Discusses Agassiz’s misrepresentations of his views and J. D. Dana’s "wild notions".

The reception is friendlier from younger scientists in France, and many of the best men in Germany.

Author:  Charles Robert Darwin
Addressee:  Benjamin Dann Walsh
Date:  4 Dec [1864]
Classmark:  Field Museum of Natural History, Chicago (Walsh)
Letter no:  DCP-LETT-4695

Matches: 22 hits

  • … To B.  D.  Walsh   4 December [1864] …
  • … Darwin, C. R. Walsh, B. D. …
  • … Field Museum of Natural History, Chicago (Walsh) Charles Robert Darwin Down …
  • … 4 Dec [1864] Benjamin Dann Walsh
  • … between this letter and the letter from B.  D.  Walsh, 7 November 1864 . See letter from …
  • … B.  D.  Walsh, 7 November 1864 . …
  • … CD refers to Walsh’s paper, ‘On certain entomological speculations …
  • … of the New England school of naturalists’ (Walsh 1864b). An annotated copy is …
  • … in the Darwin Pamphlet Collection–CUL.  Walsh criticised Louis Agassiz’s views on the …
  • … underlying theory of special creation (Walsh 1864b, p.  220). See letter to Louis Agassiz, …
  • … 12 April 1864 , and letter from B.  D.  Walsh, 7 November 1864 . In the letter to Louis …
  • … 1 January 1864. See letter from B.  D.  Walsh, 7 November 1864  and n.  2. Agassiz …
  • … 1991. In his letter of 7 November 1864, Walsh suggested that the Swiss palaeontologist …
  • … February 1860, and Pictet de la Rive 1860. Walsh was highly critical of James Dwight Dana’ …
  • … work on entomological classification (see Walsh 1864b, p.  238, and Dana 1864a). In his …
  • … Review of Bates on mimetic butterflies’). A notice of Walsh’s paper ‘Dimorphism in …
  • … the hymenopterous genus Cynips ’ (Walsh 1864a), written by John Lubbock, appeared in the …
  • … Lubbock 1865a). See letter to B.  D. Walsh, 21 October [1864] , and letter from John …
  • … 3 November 1864 . An annotated copy of Walsh 1864a is in the Darwin Pamphlet Collection– …
  • … CUL. See letter from B.  D.  Walsh, 7 November 1864 . CD had requested …
  • … organs of various insects in his letter to Walsh of 21 October [1864]. In his letter …
  • … of 1 March 1865 ( Correspondence vol.  13), Walsh discussed the variety of external …

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

Matches: 18 hits

  • … From Benjamin Dann Walsh   13 March 1866 …
  • Walsh, B. D. Darwin, C. R. …
  • … Natural History, Chicago Benjamin Dann Walsh Rock Island, Ill. 13 Mar 1866 Charles Robert …
  • … scientific papers , Entomologist 4 (1868): 49). Walsh refers to John Obadiah Westwood. See …
  • Walsh refers to the second part of his …
  • … varieties and phytophagic species’ (Walsh 1864–5). CD’s annotated copy is in the Darwin …
  • … 2001, p.  182; see also CD’s annotation). Walsh refers to Wallace 1864b. The reference is …
  • … the Ichneumon. Yours very truly | Benj. D.  Walsh P.S.  Do you know anything of a Quaker …
  • … See Jurine 1807, p.  20, and Walsh 1866b, p.   …
  • … 245. In Walsh 1866b, pp.   …
  • … 246–8, Walsh remarked that the bullae were located along wing-veins, which were blood- …
  • … with the circulatory system was uncertain. Walsh identified five bullae (A to E), and two …
  • … minute spots (F and G) on the wings of species of Ichneumon (Walsh 1864–5, pp.   …
  • … 209–15, and Walsh 1866b, pp.  241–2). Armistead published several papers on gall insects, …
  • … number, and are positioned very irregularly’. Walsh had observed that ‘blister-like spots’ …
  • … of parasitic wasps in the family Ichneumonidae (Walsh 1864–5, pp.  209–15). Jurine did not …
  • … of Hymenoptera, however (see Jurine 1807, p. (1)). Walsh’s further observations on bullae …
  • … in the Ichneumonidae are reported in Walsh 1866b, pp.  241– 8. …

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

Matches: 35 hits

  • … From B.  D.  Walsh   25 March 1868 …
  • Walsh, B. D. Darwin, C. R. …
  • … 1; A117–18, DAR 85: B65 Benjamin Dann Walsh Rock Island, Ill. 25 Mar 1868 Charles Robert …
  • … Letters to B.  D.  Walsh, 14 February 1868 and 17 February [ …
  • … 1868]. Walsh refers to his First annual report on the noxious insects of Illinois ( …
  • … B.  D.  Walsh 1868). CD’s lightly annotated copy …
  • … in the Darwin Pamphlet Collection, CUL. Walsh refers to the bark beetles (genus Tomicus , …
  • … differences in Saturnia io , but did not cite Walsh for the information. The genus Acontia …
  • … eyes. Yours ever very truly, | Benj. D.  Walsh P.S.  The questions about “Expression” are …
  • … of H.  tricolor Burm. (= rupamnensis Walsh), that you may see it for yourself. The males …
  • … most numerous. Of Pristiphora grossulariæ Walsh (the N.A.   gooseberry sawfly) I bred 4 , …
  • … Anisoptera, dragonflies. The earlets that Walsh refers to are now known as auricles, found …
  • … p.  118). In Descent 1: 362, CD cited Walsh for information on colour differences between …
  • … 342 and n.  5, CD quoted the passage from Westwood and cited Walsh for calling it to his …
  • … attention. Walsh is probably alluding to the compound insect eye, which is composed of …
  • … queries about expression in his letter to Walsh of 14 February 1868 (see Correspondence …
  • … and H.  rupamnensis (as described in B.  D.  Walsh 1863a, pp.  230–3) are synonyms of H.   …
  • … is now in the order Psocoptera, bark lice. Walsh refers to the paper, ‘Observations on …
  • … certain N.A. Neuroptera, by H.  Hagen’ (B.  D.  Walsh 1863a). …
  • … The paper consists of Walsh’s translation of observations by Hermann August …
  • … along with some new species descriptions by Walsh himself. CD scored the passage on the …
  • … Practical Entomologist 2 (1867): 107; Walsh, the magazine’s editor, wrote all the replies. …
  • … walking stick. In Descent 1: 361, CD quoted Walsh’s description of the colour differences …
  • … In Descent 1: 368 n.  58, CD cited Walsh on colour differences in the sexes of O.  atra. …
  • … leaf beetles, in the order Coleoptera. Walsh evidently refers to Anomoea laticlavia , the …
  • … Diplolepis . In Descent 1: 314, CD cited Walsh on the proportion of sexes in Cynipidae. …
  • … grossulariae (described as a new species by Walsh in Practical Entomologist 1 (1866): 123– …
  • … as T.  columbae (family Siricidae) and cites Walsh on colour differences in the sexes. The …
  • … is now Cecidomyiidae, gall midges. Walsh refers to Cecidomyia salicisbatatas , the willow …
  • … salicisbatatas. In Descent 1: 314, CD cites Walsh on the proportion of sexes in gall- …
  • … of the sexes in Papilio and mentioned Walsh’s observations on the numbers in P.  turnus. …
  • … 1999), refers to a different butterfly), but Walsh probably refers to the species Lycaena …
  • … Polyommatus pseudargiolus was probably used by Walsh to refer to Argus pseudargiolus , now …
  • … the eastern tailed-blue. The butterfly Walsh refers to as P.  lygdamas was Lycaena …
  • … heteronea , the blue copper. The butterfly Walsh refers to as P.  acmon was Lycaena …

From B. D. Walsh   1 May 1868

thumbnail

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

Matches: 23 hits

  • … From B.  D.  Walsh   1 May 1868 …
  • Walsh, B. D. Darwin, C. R. …
  • … DAR 82: A115–16 Benjamin Dann Walsh Rock Island, Ill. 1 May 1868 Charles Robert Darwin …
  • … a synonym of Hebomoia glaucippe. CD asked Walsh about Trox in his letter of 9 June 1868. …
  • … See letter to B.  D.  Walsh, 13 April [1868] and n.  1. Mancipium is an invalid synonym of …
  • … sara is the Pacific orangetip butterfly. Walsh’s quotation is from Morris 1862, which also …
  • … white, and A.  simplonia is E.  simplonia. Walsh refers to Doubleday and Westwood 1846–52, …
  • … by the Russians in 1867. CD reported Walsh’s speculation on the colours of Anthocharis …
  • … 1: 393–4. Locus incertus : place uncertain. Walsh refers to John Gottlieb Morris and to …
  • … the real, or the famous Agassiz. See letter from B.  D.  Walsh, 25 March 1868  and n.   …
  • … 48. Walsh refers to Bates 1861. …
  • … After his citation of Walsh’s remarks on Anthocharis in Descent 1: 393, CD mentioned an ‘ …
  • … of Bromley. Yours ever very truly, | Benj. D.  Walsh P.S.  I mentioned in my last a horny …
  • … of the female (Morris 1862, p.  21). Walsh refers to Henry Walter Bates and to Bates 1861. …
  • … and Dismorphia are both members of the family Pieridae. According to Walsh’s law of ‘ …
  • … Unity of Coloration’ (Walsh 1864, pp.  635–6), identical shades of colour and patterns of …
  • … is a closely related genus of Satyrinae. Walsh refers to his ‘First annual report …
  • … on the noxious insects of Illinois’ (Walsh 1867b). There is an annotated offprint in …
  • … Darwin Pamphlet Collection–CUL.  On page 65, Walsh argued that a form of the plum Curculio …
  • … 5th ed. , p.  56, CD revised this passage. Walsh refers to Variation ; he had books sent …
  • … had offices in London and New York. Walsh was on CD’s presentation list for Variation (see …
  • … Correspondence vol.16, Appendix IV). Walsh became western editor for the Practical …
  • … Correspondence vol.  14, letter from B.  D.  Walsh, [28 November 1866] ). He was appointed …

To B. D. Walsh   21 September 1868

Summary

Thanks BDW for pamphlets [by S. H. Scudder and J. D. Caton].

His information about Cicada is of extraordinary interest. Discusses stridulation organs which certainly sometimes differ in the sexes. CD would be curious to know if "dumb" Cicada can breed.

Author:  Charles Robert Darwin
Addressee:  Benjamin Dann Walsh
Date:  21 Sept 1868
Classmark:  Field Museum of Natural History, Chicago (Walsh 14)
Letter no:  DCP-LETT-6382

Matches: 11 hits

  • … To B.  D.  Walsh   21 September 1868 …
  • … Darwin, C. R. Walsh, B. D. …
  • … Field Museum of Natural History, Chicago (Walsh 14) Charles Robert Darwin Down …
  • … 21 Sept 1868 Benjamin Dann Walsh
  • … and nn.  2 and 3. See letter from B.  D.  Walsh, 29 August 1868 . Scudder wrote that the …
  • … songs. On the ‘forced’ cicadas, see the letter from B.  D.  Walsh, 29 August 1868 . …
  • … Scudder 1867; see letter from B.  D.  Walsh, 29 August 1868  and n.  14). CD used …
  • … For CD’s use of Caton 1868, sent to him by Walsh, see the letter to J.  D.  Caton, 18  …
  • … Riley’s article on peach trees, see the enclosure to the letter from B.  D.  Walsh, 29  …
  • … August 1868 ; Walsh had also asked whether CD could send Riley both his photograph and …
  • … Westwood’s. See letter from B.  D.  Walsh, 29 August 1868 . For more on CD’s recent …
Document type
letter (84)
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people (4)
Date
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8 Items

Darwin in letters, 1864: Failing health

Summary

On receiving a photograph from Charles Darwin, the American botanist Asa Gray wrote on 11 July 1864: ‘the venerable beard gives the look of your having suffered, and … of having grown older’.  Because of poor health, Because of poor health, Darwin…

Matches: 4 hits

  • … In 1864, Darwin received his first letter from Benjamin Dann Walsh, a new advocate from North …
  • … states. In his letter to Darwin of 7 November 1864, Walsh denounced Agassiz and sent a paper of his …
  • … Agassiz’s refutation of the “Origin of Species” ’ (Walsh 1864b). Darwin congratulated Walsh: ‘I am …
  • … the theory of natural selection. Darwin was interested in Walsh’s work and was pleased at how …

Rock Island, Illinois, USA

Summary

Can't answer Darwin's questions

Matches: 1 hits

  • … The entomologist Benjamin Walsh cannot answer Darwin's expression questions because there are …

Sexual selection

Summary

Although natural selection could explain the differences between species, Darwin realised that (other than in the reproductive organs themselves) it could not explain the often marked differences between the males and females of the same species.  So what…

Matches: 1 hits

  • … and observers like Henry Walter Bates, Benjamin Dann Walsh, George Thwaites, Robert Swinhoe, John …

Darwin in letters,1866: Survival of the fittest

Summary

The year 1866 began well for Charles Darwin, as his health, after several years of illness, was now considerably improved. In February, Darwin received a request from his publisher, John Murray, for a new edition of  Origin. Darwin got the fourth…

Matches: 1 hits

  • … diving Hymenoptera and insect metamorphosis, Benjamin Dann Walsh’s theory of phytophagic varieties …

Darwin’s queries on expression

Summary

When Darwin resumed systematic research on emotions around 1866, he began to collect observations more widely and composed a list of queries on human expression. A number of handwritten copies were sent out in 1867 (see, for example, letter to Fritz Muller…

Matches: 1 hits

  • … London, England   Walsh, B.D. 25 …

Darwin in letters, 1868: Studying sex

Summary

The quantity of Darwin’s correspondence increased dramatically in 1868 due largely to his ever-widening research on human evolution and sexual selection.Darwin’s theory of sexual selection as applied to human descent led him to investigate…

Matches: 1 hits

  • … “love”’, wrote the American entomologist Benjamin Dann Walsh on 25 March 1868 . Wallace …

Darwin in letters, 1865: Delays and disappointments

Summary

The year was marked by three deaths of personal significance to Darwin: Hugh Falconer, a friend and supporter; Robert FitzRoy, captain of the Beagle; and William Jackson Hooker, director of the Royal Botanic Gardens, Kew, and father of Darwin’s friend…

Matches: 1 hits

  • … his correspondence with the entomologist Benjamin Dann Walsh in the Midwestern United States, and …

Darwin’s reading notebooks

Summary

In April 1838, Darwin began recording the titles of books he had read and the books he wished to read in Notebook C (Notebooks, pp. 319–28). In 1839, these lists were copied and continued in separate notebooks. The first of these reading notebooks (DAR 119…

Matches: 1 hits

  • … 119: 11a Stonehenge  pseud.  (John Henry Walsh). 1859.  The dog, in   health and …