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Darwin, C. R. in correspondent 
Müller, Fritz in correspondent 
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Showing 14 of 4 items

From:
Johann Friedrich Theodor (Fritz) Müller
To:
Charles Robert Darwin
Date:
29 Mar 1870
Source of text:
DAR 76: B36
Summary:

His observations on mimicry in butterflies

and self-sterility in plants.

Contributor:
Darwin Correspondence Project
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From:
Johann Friedrich Theodor (Fritz) Müller
To:
Charles Robert Darwin
Date:
14 June 1871
Source of text:
DAR 89: 91–3; DAR 142: 58
Summary:

Discussion of mimicry and sexual selection among butterflies, occasioned by reading Descent.

Contributor:
Darwin Correspondence Project
From:
Johann Friedrich Theodor (Fritz) Müller
To:
Charles Robert Darwin
Date:
16 Jan 1872
Source of text:
DAR 142: 55
Summary:

Has no objection to CD’s alluding to FM’s idea that sexual selection has come into play in mimetic butterflies.

Reports observations on other butterflies and on termites.

Contributor:
Darwin Correspondence Project
From:
Johann Friedrich Theodor (Fritz) Müller
To:
Charles Robert Darwin
Date:
25 Mar 1877
Source of text:
DAR 111: A89–90
Summary:

Thanks CD for new [2d] edition of Orchids.

Mentions some observations on dimorphic plants.

Reports on a third species of Pontederia [see Forms of flowers, p. 185].

Describes some unusual grasses.

Reports rumours from southern Brazil concerning the existence of a gigantic subterranean animal.

Contributor:
Darwin Correspondence Project