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To Charles Lyell 3 October [1860]
Summary
Comments on letter from Jeffries Wyman.
Discusses reprinting reviews by Asa Gray.
Mentions views of W. S. Symonds on the geological record.
Discusses descent of turtles and tortoises.
The universality of variation.
Notes only a few species leave modified descendants.
Discusses Apteryx.
Variation among pigeons.
Comments on fertility among hybrids.
Does not agree that he makes natural selection do too much work.
| Author: | Charles Robert Darwin |
| Addressee: | Charles Lyell, 1st baronet |
| Date: | 3 Oct [1860] |
| Classmark: | American Philosophical Society (Mss.B.D25.230) |
| Letter no: | DCP-LETT-2935 |
