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Darwin, C. R. in correspondent 
Quatrefages de Bréau, Armand de Quatrefages in correspondent 
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From:
Charles Robert Darwin
To:
Jean Louis Armand (Armand de Quatrefages) Quatrefages de Bréau
Date:
20 Nov [1855]
Source of text:
Bibliothèque nationale de France, département des Manuscrits (Collection d’autographes formée de la correspondance reçue ou acquise par Étienne de Jouy, Jules Lacroix, Paul Lacroix MS-9623 (2035))
Summary:

Thanks for gift of Souvenirs d’un naturaliste (Quatrefages 1854).

Can AdeQ ask M. J. P. Flourens about experiments which show that hybrid offspring of dogs, wolves and jackals are sterile between themselves in the third generation.

CD cannot obtain a copy of Dureau de la Malle’s work on breeds of horse: can AdeQ assist?

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Jean Louis Armand (Armand de Quatrefages) Quatrefages de Bréau
Date:
4 Jan [1856]
Source of text:
American Philosophical Society (Mss.B.D25.144)
Summary:

The information correspondent hopes to get from M.-J.-P. Flourens will be valuable.

CD is keeping all varieties of pigeons, poultry, ducks, etc. for his work on variation.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Jean Louis Armand (Armand de Quatrefages) Quatrefages de Bréau
Date:
5 Dec [1859]
Source of text:
American Philosophical Society (Mss.B.D25.183)
Summary:

Mentions English scientists who support mutability of species.

Asks QdeB whether he could help locate a French translator and publisher.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Jean Louis Armand (Armand de Quatrefages) Quatrefages de Bréau
Date:
15 Jan [1860]
Source of text:
Archives de l’Académie des sciences, Paris (75 J 837 Fonds Alfred Lacroix)
Summary:

Asks if Quatrefages has found anyone to translate Origin into French, because P. T. A. Talandier, although not a naturalist, wishes to do so.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Jean Louis Armand (Armand de Quatrefages) Quatrefages de Bréau
Date:
21 Jan [1860]
Source of text:
American Philosophical Society (Mss.B.D25.193)
Summary:

Discusses P. T. A. Talandier as possible translator [of Origin].

Comments on reception of book in North America and opposition of Louis Agassiz.

Asks about reaction of Henri Milne-Edwards.

QdeB’s lectures on anthropology.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Jean Louis Armand (Armand de Quatrefages) Quatrefages de Bréau
Date:
30 Mar [1860]
Source of text:
DAR 147: 284
Summary:

Comments on QdeB’s [Études sur les maladies actuelles du ver à soie (1860)].

Has failed to find French publisher for Origin.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Jean Louis Armand (Armand de Quatrefages) Quatrefages de Bréau
Date:
25 Apr [1861]
Source of text:
DAR 147: 285
Summary:

Comments on QdeB’s Unité de l’espèce humaine [1861].

Discusses acceptance of his theory among scientists, especially geologists.

C. V. Naudin did not show how selection applied in nature, but Patrick Matthew clearly anticipated CD’s views.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Jean Louis Armand (Armand de Quatrefages) Quatrefages de Bréau
Date:
3 July [1862]
Source of text:
Bibliothèque nationale de France, département des Manuscrits (Manuscripts NAF 11824 ff. 68–9)
Summary:

Can AdeQ verify the statement that the moths of the several races of the common silkworm are very similar?

When the female moth comes out of the cocoon, are her wings less developed than those of a male moth at the same stage?

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Jean Louis Armand (Armand de Quatrefages) Quatrefages de Bréau
Date:
11 July [1862]
Source of text:
Wellcome Collection
Summary:

Thanks for answers to CD’s questions; would appreciate any new information on similarity of moths of distinct races.

CD has been "atrociously abused by religious countrymen, but it does not hurt except when it comes from an old friend like Prof. Owen".

Wishes French translator of Origin had known more natural history.

Contributor:
Darwin Correspondence Project
From:
Jean Louis Armand (Armand de Quatrefages) Quatrefages de Bréau
To:
Charles Robert Darwin
Date:
[after 11 July 1862]
Source of text:
DAR 175: 8
Summary:

Their views on transformism differ a great deal, as CD says, but perhaps not as much as CD thinks. Sending his [Physiologie comparée: métamorphoses de l’homme et des animaux (1862)].

Contributor:
Darwin Correspondence Project
From:
Jean Louis Armand (Armand de Quatrefages) Quatrefages de Bréau
To:
Charles Robert Darwin
Date:
25 Mar 1863
Source of text:
DAR 175: 2
Summary:

Charles Martins of Montpellier will collect the varieties of silkworm for CD.

QdeB is battling with the polygenists in the Société d’Anthropologie.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Jean Louis Armand (Armand de Quatrefages) Quatrefages de Bréau
Date:
27 Mar [1863]
Source of text:
Bibliothèque nationale de France, département des Manuscrits (Manuscripts NAF 11824 ff. 76–7)
Summary:

Specimens obtained from Charles Martins will be most interesting.

Comments on QdeB’s book [Physiologie comparée (1862)].

Contributor:
Darwin Correspondence Project
From:
Jean Louis Armand (Armand de Quatrefages) Quatrefages de Bréau
To:
Charles Robert Darwin
Date:
[28 Mar] – 11 Apr 1863
Source of text:
DAR 175: 3
Summary:

Continues to support, in debates at the Société d’Anthropologie, the view that variability of animals and anatomical modifications are produced by environment. Wishes to use CD’s niata cattle example from Journal of researches [2d ed., pp. 145–6].

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Jean Louis Armand (Armand de Quatrefages) Quatrefages de Bréau
Date:
[14 Apr 1863]
Source of text:
Bulletins de la Société d’Anthropologie de Paris 4 (1863): 378–9
Summary:

The niata is a very good case because the race is well established and must originate in South America. There is a description of the head by [Richard] Owen in the Descriptive catalogue of the osteological collection of the College of Surgeons.

Has observed modifications in the skeletons of rabbits, ducks, poultry, and pigeons. There is an extract about modifications in pigeons in the first chapter of Origin. Encloses a woodcut of crested or polish fowls; there is a change in the brain as well as in the exterior bones.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Jean Louis Armand (Armand de Quatrefages) Quatrefages de Bréau
Date:
14 May [1863]
Source of text:
Sotheby’s, New York (dealers) (1997)
Summary:

Is sending photographs of the niata skull [requested in 4082]. W. H. Flower reports that he could have a cast made for £3.3s.0d.

Contributor:
Darwin Correspondence Project
From:
Jean Louis Armand (Armand de Quatrefages) Quatrefages de Bréau
To:
Charles Robert Darwin
Date:
19 May [1863]
Source of text:
DAR 175: 1
Summary:

Spoke on Moulin-Quignon Jaw before Académie des Sciences.

Thanks CD for photograph [of Niata skull].

Controversy on species fixity [at Société d’Anthropologie].

Sends photographs of Mouin-Quignon Jaw.

Contributor:
Darwin Correspondence Project
From:
Jean Louis Armand (Armand de Quatrefages) Quatrefages de Bréau
To:
Charles Robert Darwin
Date:
10 Nov 1866
Source of text:
DAR 175: 4
Summary:

Sends his book [Histoire naturelle des annelés marins et d’eau douce, 2 vols. (1865)].

Contributor:
Darwin Correspondence Project
From:
Jean Louis Armand (Armand de Quatrefages) Quatrefages de Bréau
To:
Charles Robert Darwin
Date:
4 Mar 1868
Source of text:
DAR 85: B66–7
Summary:

Proportions of sexes of the silkworm are about equal, but knows of no statistics.

Cannot share his view of origin of species.

Contributor:
Darwin Correspondence Project
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From:
Charles Robert Darwin
To:
Jean Louis Armand (Armand de Quatrefages) Quatrefages de Bréau
Date:
6 Mar 1869
Source of text:
Bibliothèque nationale de France, département des Manuscrits (Manuscripts NAF 11824 ff. 72–3)
Summary:

Wishes to introduce his son, George Howard Darwin.

Has glanced at the second of AdeQ’s articles on natural history in Revue de deux mondes; ordered first article but second is already out of print.

Contributor:
Darwin Correspondence Project
From:
Jean Louis Armand (Armand de Quatrefages) Quatrefages de Bréau
To:
Charles Robert Darwin
Date:
29 Mar 1869
Source of text:
DAR 175: 5
Summary:

Comments on their differences regarding evolution. Acknowledges that CD alone has produced an evolutionary theory that is scientific and all-embracing. Appreciates grandeur of CD’s work.

Contributor:
Darwin Correspondence Project