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Darwin Correspondence Project

DCP-LETT-10842

To Alpheus Hyatt   13 February 1877

This letter is not yet available online.

Summary

Regrets that F. Hilgendorf proved so greatly in error ["Planorbis Multiformis", Monatsber. K. Akad. Wiss. Berlin (1866): 474–504; "Noch einmal Planorbis Multiformis", Z. Dtsch. Geol. Ges. 29 (1877): 50–62].

Discusses polymorphic species.

Surprised that shell form developed from various different progenitors.

Reminds CD of C. Nägeli’s conclusions on Hieracium.

But still retains belief expressed in first edition of Origin that variation in protean species is neither advantageous nor disadvantageous.

Summary

Regrets that F. Hilgendorf proved so greatly in error ["Planorbis Multiformis", Monatsber. K. Akad. Wiss. Berlin (1866): 474–504; "Noch einmal Planorbis Multiformis", Z. Dtsch. Geol. Ges. 29 (1877): 50–62].

Discusses polymorphic species.

Surprised that shell form developed from various different progenitors.

Reminds CD of C. Nägeli’s conclusions on Hieracium.

But still retains belief expressed in first edition of Origin that variation in protean species is neither advantageous nor disadvantageous.

Letter details

Letter no.
DCP-LETT-10842
From
Darwin, C. R.
To
Hyatt, Alpheus
Sent from
Down
Source of text
Maryland Historical Society
Physical description
4pp

Please cite as

Darwin Correspondence Project, “Letter no. 10842,” accessed on 30 August 2016, http://www.darwinproject.ac.uk/DCP-LETT-10842

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