Search: Walsh, B. D. in author 
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From:
Benjamin Dann Walsh
To:
Charles Robert Darwin
Date:
29 Apr – 19 May 1864
Source of text:
DAR 181: 9
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.

Contributor:
Darwin Correspondence Project
From:
Benjamin Dann Walsh
To:
Charles Robert Darwin
Date:
7 Nov 1864
Source of text:
DAR 181: 10
Summary:

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

Mating and sexual organs of insects.

Contributor:
Darwin Correspondence Project
From:
Benjamin Dann Walsh
To:
Charles Robert Darwin
Date:
1 Mar 1865
Source of text:
Field Museum of Natural History, Chicago
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.

Contributor:
Darwin Correspondence Project
From:
Benjamin Dann Walsh
To:
Charles Robert Darwin
Date:
29 May 1865
Source of text:
DAR 47: 179, 179a; DAR 207: 18
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.

Contributor:
Darwin Correspondence Project
From:
Benjamin Dann Walsh
To:
Charles Robert Darwin
Date:
12 Nov 1865
Source of text:
Field Museum of Natural History, Chicago (Riley bequest of 1948)
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.

Contributor:
Darwin Correspondence Project
From:
Benjamin Dann Walsh
To:
Charles Robert Darwin
Date:
13 Mar 1866
Source of text:
Field Museum of Natural History, Chicago
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].

Contributor:
Darwin Correspondence Project
From:
Benjamin Dann Walsh
To:
Charles Robert Darwin
Date:
17 July 1866
Source of text:
Field Museum of Natural History, Chicago
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].

Contributor:
Darwin Correspondence Project
From:
Benjamin Dann Walsh
To:
Charles Robert Darwin
Date:
[28 Nov 1866]
Source of text:
American Philosophical Society (Mss.B.D25.324a)
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.

Contributor:
Darwin Correspondence Project
From:
Benjamin Dann Walsh
To:
Charles Robert Darwin
Date:
[25 Feb 1867]
Source of text:
Darwin Library–CUL (bound with Siebold 1857), ML 1: 248–9
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.

Contributor:
Darwin Correspondence Project
From:
Benjamin Dann Walsh
To:
Charles Robert Darwin
Date:
[before 31 Oct 1868]
Source of text:
DAR 81: 145
Summary:

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

Contributor:
Darwin Correspondence Project
thumbnail
From:
Benjamin Dann Walsh
To:
Charles Robert Darwin
Date:
25 Mar 1868
Source of text:
DAR 82: A90–1; A117–18, DAR 85: B65
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.

Contributor:
Darwin Correspondence Project
From:
Benjamin Dann Walsh
To:
Charles Robert Darwin
Date:
1 May 1868
Source of text:
DAR 82: A115–16
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.

Contributor:
Darwin Correspondence Project
thumbnail
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