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DCP-LETT-6382

From:
Charles Robert Darwin
To:
Benjamin Dann Walsh
Date:
21 Sept 1868
Source of text:
Field Museum of Natural History, Chicago (Walsh 14)
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.

Contributor:
Darwin Correspondence Project

DCP-LETT-6437

From:
Charles Robert Darwin
To:
Benjamin Dann Walsh
Date:
31 Oct 1868
Source of text:
Field Museum of Natural History, Chicago (Walsh 16)
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.

Contributor:
Darwin Correspondence Project

DCP-LETT-4695

From:
Charles Robert Darwin
To:
Benjamin Dann Walsh
Date:
4 Dec [1864]
Source of text:
Field Museum of Natural History, Chicago (Walsh)
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.

Contributor:
Darwin Correspondence Project

DCP-LETT-6332A

From:
Benjamin Dann Walsh
To:
Charles Robert Darwin
Date:
29 Aug 1868
Source of text:
Smithsonian Libraries and Archives (Dibner Library of the History of Science and Technology: Charles Valentine Riley papers, Scrapbook no. 9, p. 61); DAR 47: 180; DAR 193: 54; Field Museum (pasted into C. V. Riley’s personal copy of his own 1st Annual Report of the Missouri State Entomologist)
Summary:

On the delay in receiving CD’s new book [Variation] and his delight in a borrowed copy.

Encloses a Prospectus on his new periodical "American Entomologist" devoted to economic entomology.

Comments on the talents of his young partner, C. V. Riley.

Requests photographs for Riley of CD and Westwood.

Dr J. L. Le Conte has not yet received the request that he furnish CD with information about the stridulatory organs of Coleoptera.

Contributor:
Darwin Correspondence Project
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