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Müller, Fritz in author 
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DCP-LETT-6089A

From:
Johann Friedrich Theodor (Fritz) Müller
To:
Charles Robert Darwin
Date:
3 Apr 1868
Source of text:
Möller ed. 1915–21 , 2: 137–8
Summary:

Thanks CD for sending him copy of Variation.

Describes results of his brother’s [August Müller] experiments on effect of climate on maize.

Like ancestors of horses, young tapir is also striped.

Contributor:
Darwin Correspondence Project

DCP-LETT-6140

From:
Johann Friedrich Theodor (Fritz) Müller
To:
Charles Robert Darwin
Date:
22 Apr 1868
Source of text:
DAR 86: A85–6; Möller 1915–21, 2: 140; Darwin Library–CUL (tipped into CD’s copy of F. Müller 1864a)
Summary:

His opinion of Pangenesis.

On relative proportion of sexes in marine animals [sthg missing!?] Crustacea.

Sexual differences.

Music of Cicadae.

Contributor:
Darwin Correspondence Project
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DCP-LETT-6248A

From:
Johann Friedrich Theodor (Fritz) Müller
To:
Charles Robert Darwin
Date:
17 June 1868
Source of text:
Möller ed. 1915–21 , 2: 141–3; W. S. Dallas trans. 1869 , pp. 119–21 n.
Summary:

Again thanks CD for trouble in arranging for translation of Für Darwin.

Sends addition answering critics of his idea of insect metamorphosis [see Möller ed. 1915–21, 1: 259].

Agrees with Charles Lyell’s suggested English title "Facts and arguments in favor of Darwin", although perhaps more accurate to call it "Darwinism tested by Carcinology" or "Carcinology as bearing on the origin of species".

Says any profit should go to CD for his trouble and expense with the translation.

Thanks for seeds of Eschscholtzia.

Gives observations on number of climbing plants, including Dilleniacea, Marantacea, Catasetum.

Contributor:
Darwin Correspondence Project

DCP-LETT-6359

From:
Johann Friedrich Theodor (Fritz) Müller
To:
Charles Robert Darwin
Date:
9 Sept 1868
Source of text:
DAR 82: A92, Möller ed. 1915–21, 2: 146–7.
Summary:

Will repeat CD’s experiments on dimorphic and trimorphic plants.

Auditory organs of Orthoptera; stridulation in lamellicorn beetles.

Contributor:
Darwin Correspondence Project

DCP-LETT-6439

From:
Johann Friedrich Theodor (Fritz) Müller
To:
Charles Robert Darwin
Date:
31 Oct 1868
Source of text:
DAR 142: 98, 103
Summary:

Writes on various observations and discoveries on dimorphic and trimorphic plants.

Contributor:
Darwin Correspondence Project
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