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Darwin Correspondence Project
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From Charles Lyell   1–2 May 1856



Urges CD to publish his theory with small part of data.

Corrects names of land shells on list of shells picked up at Down.

Discusses transport of Ancylus from one river-bed to another by water-beetle.

"I hear that when you & Hooker & Huxley & Wollaston got together you made light of all Species & grew more & more unorthodox."

Mentions discussion of old Atlantis by Oswald Heer.

Comments on Helix and Nanina.

Mentions beetle discovered with small bag of eggs of water-spider under wing.

Madeira evidence favours single species birth-place theory.

Author:  Charles Lyell, 1st baronet
Addressee:  Charles Robert Darwin
Date:  1–2 May 1856
Classmark:  DAR 205.3: 282
Letter no:  DCP-LETT-1862

From Samuel Pickworth Woodward   2 May 1856


Proportion of molluscan species to genera in various periods. The difficulty of determining species increases with the number of species per genus. Identifying species within a genus is most difficult in that period in which the genus shows its greatest development.

Author:  Samuel Pickworth Woodward
Addressee:  Charles Robert Darwin
Date:  2 May 1856
Classmark:  DAR 181: 153
Letter no:  DCP-LETT-1864

From Laurence Edmondston   [before 3 May 1856]



The vaunted fidelity of the ark bird has its exceptions.

Gives some details on wild pigeons.

Answers in the affirmative CD’s query about drifted trees.

Author:  Laurence Edmondston
Addressee:  Charles Robert Darwin
Date:  [before 3 May 1856]
Classmark:  DAR 205.2: 229
Letter no:  DCP-LETT-1865

From J. D. Hooker   7 May 1856



Non-endemic Ascension Island plants brought by man, not wind-transported.

Bentham has found intermediates between oxlip and cowslip in Herefordshire.

JDH finds quantity of albumen in seeds is not variable within a species.

Author:  Joseph Dalton Hooker
Addressee:  Charles Robert Darwin
Date:  7 May 1856
Classmark:  DAR 100: 94–5
Letter no:  DCP-LETT-1869

From Edward William Vernon Harcourt   31 May 1856


Extensive notes on Madeiran birds: when and where seen on the island and under what conditions.

Author:  Edward William Vernon Harcourt
Addressee:  Charles Robert Darwin
Date:  31 May 1856
Classmark:  DAR 166: 100
Letter no:  DCP-LETT-1883
Document type
letter (5)
Darwin, C. R.[X]
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02 (1)
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07 (1)
31 (1)