Search: Hooker, J. D. in author 
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1850-1859::1855 in date 
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From:
Joseph Dalton Hooker
To:
Charles Robert Darwin
Date:
[before 7 Mar 1855]
Source of text:
DAR 104: 216–17
Summary:

CD’s tabulation of colonists curious but explicable.

Working on Tasmanian flora; contemplating general essay on Australian distribution: Tasmania and Australia same alpine species; Swan River flora very peculiar and quite distinct from New South Wales.

Trying to establish new journal at Linnean.

Contributor:
Darwin Correspondence Project
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From:
Joseph Dalton Hooker
To:
Charles Robert Darwin
Date:
[before 17 Mar 1855]
Source of text:
DAR 104: 210–13
Summary:

JDH criticises C. J. F. Bunbury’s paper on Madeira [J. Linn. Soc. Lond. (Bot.) 1 (1857): 1–35].

Absence of Ophrys on Madeira suggests to JDH a sequence in creation of groups.

Why are flightless insects common in desert?

Australian endemism.

Contributor:
Darwin Correspondence Project
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From:
Joseph Dalton Hooker
To:
Charles Robert Darwin
Date:
[6–9 June 1855]
Source of text:
DAR 100: 90–3
Summary:

Finds Forbes’s continental theories, migration, and double creation are all unsatisfactory explanations of geographical distribution of plants.

Is currently working on problems of sea transport of plant species.

European plants on Australian Alps only explicable by double creations.

Contributor:
Darwin Correspondence Project
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From:
Joseph Dalton Hooker
To:
Charles Robert Darwin
Date:
[8 July 1855]
Source of text:
DAR 104: 192–3
Summary:

Australian Leguminosae problem: of 900 species not ten are common to southwest and southeast. No migration; hence either creation or variation.

Himalayan thistles: graded intermediates between large and small English species, "shakes species to their foundations". Similarity of CD’s and his views on species.

Contributor:
Darwin Correspondence Project
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