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Darwin, C. R. in addressee 
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Quatrefages de Bréau, Armand de Quatrefages in correspondent 
1860-1869::1863 in date 
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DCP-LETT-4066

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

DCP-LETT-4082

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

DCP-LETT-4171

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
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