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DCP-LETT-4973

From:
Ernst Philipp August (Ernst) Haeckel
To:
Charles Robert Darwin
Date:
11 Jan 1866
Source of text:
DAR 166: 41
Summary:

Comments on CD’s health.

Discusses origin of life and differentiation of principal classes of plants and animals.

Discusses Generelle Morphologie and its chapter on embryological development.

His lectures on CD’s theory.

Asks CD for larger portrait of himself and for several copies of the small photograph. Will send photographs of German scientists in exchange.

Contributor:
Darwin Correspondence Project

Herschel6665

From:
Henry Coxwell
To:
Sir John Herschel
Date:
[11 January 1866]
Source of text:
RS:HS 5.368
Summary:

Has been reading JH's letter of 1862 concerning aerial flight and would welcome any hints or suggestions from JH on this subject.

Contributor:
John Herschel Project

DCP-LETT-4972

From:
Charles Robert Darwin
To:
Johann Friedrich Theodor (Fritz) Müller
Date:
11 Jan 1866
Source of text:
The British Library (Loan MS 10 no 5)
Summary:

Has read FM’s paper on sponges ["Über Darwinella aurea", Arch. Miskrosk. Anat. 1 (1865): 344–53] with interest.

Has also read FM’s work on the metamorphoses of Peneus [Ann. & Mag. Nat. Hist. 3d ser. 14 (1864): 104–15], an interesting and important embryological discovery.

CD regards Louis Agassiz’s opinions as valueless.

Contributor:
Darwin Correspondence Project

JHC1602

From:
Sir Joseph Dalton Hooker
To:
Robert Oliver Cunningham
Date:
11 January 1866
Source of text:
JDH/2/3/3 f.115-116, The Royal Botanic Gardens, Kew
Summary:

No summary available.

Contributor:
Hooker Project

DCP-LETT-4974

From:
Jeffries Wyman
To:
Charles Robert Darwin
Date:
11 Jan 1866
Source of text:
DAR 181: 191
Summary:

Has made observations on bees’ cells. Their dimensions are not constant, nor do single bees make single cells; each one is a result of co-operation.

Contributor:
Darwin Correspondence Project
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