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From George Henry Kendrick Thwaites   [14 February 1860]

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Summary

Questions how natural selection can explain why some cells remain simple and others are modified into highly complex structures.

Reports on the spread in Ceylon of a recently introduced plant.

Author:  George Henry Kendrick Thwaites
Addressee:  Charles Robert Darwin
Date:  [14 Feb 1860]
Classmark:  DAR 205.4: 100
Letter no:  DCP-LETT-2697
Document type
letter (1)
Addressee
Correspondent
Darwin, C. R.disabled_by_default
Thwaites, G. H. K.disabled_by_default