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 |
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 |
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: 1 hit
- … John Murray, 22 December [1866] and n. 2). 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 Pamphlet Collection–CUL. The other issue has not been found. Walsh was associate editor of the Practical Entomologist. See letter from B. …
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 |