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DCP-LETT-11190

From:
Joseph Dalton Hooker
To:
Charles Robert Darwin
Date:
19 Oct 1877
Source of text:
DAR 104: 95–6
Summary:

JDH has just returned from U. S., where he worked on N. American geographical distribution with Asa Gray.

Contributor:
Darwin Correspondence Project
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FL-1238

From:
Maine, H. S.
To:
Darwin, G. H.
Date:
19 October [1877 or 1878]
Source of text:
DAR 251: 1906
Summary:

No summary available.

Contributor:
Darwin Family Letters

DCP-LETT-11189

From:
Charles Robert Darwin
To:
Raphael Meldola
Date:
19 Oct [1877]
Source of text:
Oxford University Museum of Natural History (Hope Entomological Collections 1350: Hope/Westwood Archive, Darwin folder)
Summary:

Interesting article by Fritz Müller on sexual selection in butterflies, Kosmos [1 (1877): 388–95].

Contributor:
Darwin Correspondence Project

DCP-LETT-11191

From:
Johann Friedrich Theodor (Fritz) Müller
To:
Charles Robert Darwin
Date:
19 Oct 1877
Source of text:
Möller ed. 1915–21, 2: 363–4; Nature , 29 November 1877, pp. 78–9
Summary:

Doubts that glands of calyx of cleistogamic Malpighiaceae serve as protection.

Some species of Solanum bear long- and short-styled flowers on same plant.

Changing colours of some flowers may show insects the proper moment for fertilisation.

Doubts that the style of Pontederia cordata changes length.

Sexual difference in wings of some butterflies due to development in male of scales that emit odours to excite female.

Contributor:
Darwin Correspondence Project
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