To Charles Lyell 20 March [1869]
Summary
Discusses views of Wallace, H. N. Moseley, and Croll on the mechanics of glacier movement.
Comments on Wallace’s new book [The Malay Archipelago (1869)].
Author: | Charles Robert Darwin |
Addressee: | Charles Lyell, 1st baronet |
Date: | 20 Mar [1869] |
Classmark: | American Philosophical Society (Mss.B.D25.367) |
Letter no: | DCP-LETT-6672 |
To Charles Lyell 5 March [1869]
Summary
Discusses wear and tear due to glaciation and significance of this evidence for dating the glacial period. Mentions views of James Croll and Archibald Geikie on the issue.
Author: | Charles Robert Darwin |
Addressee: | Charles Lyell, 1st baronet |
Date: | 5 Mar [1869] |
Classmark: | American Philosophical Society (Mss.B.D25.364) |
Letter no: | DCP-LETT-6692 |
To Charles Lyell 4 May [1869]
Summary
Asks for a photograph of CL to be used by a society [in Serbia].
Comments on article by Wallace ["Sir Charles Lyell on geological climates and the Origin", Q. Rev. 126 (1869): 359–94].
Has finished new edition of Origin [5th (1869)]
and is back at work on sexual selection [Descent].
Author: | Charles Robert Darwin |
Addressee: | Charles Lyell, 1st baronet |
Date: | 4 May [1869] |
Classmark: | American Philosophical Society (Mss.B.D25.369) |
Letter no: | DCP-LETT-6725 |
To Charles Lyell 20 May 1869
Summary
Cites article by David Forbes dealing with the geology of the S. American Cordillera ["Geology of Bolivia and South Peru", Q. J. Geol. Soc. Lond. 17 (1861): 7–62].
Discusses the flexures of the Cordillera, the age of the mountains, and basaltic dikes in granite areas.
Author: | Charles Robert Darwin |
Addressee: | Charles Lyell, 1st baronet |
Date: | 20 May 1869 |
Classmark: | American Philosophical Society (Mss.B.D25.370) |
Letter no: | DCP-LETT-6751 |
To Charles Lyell 1 [November 1869]
Summary
Has just arrived in London, and would like to visit the following morning at breakfast time.
Author: | Charles Robert Darwin |
Addressee: | Charles Lyell, 1st baronet |
Date: | 1 [Nov 1869] |
Classmark: | The University of Edinburgh Centre for Research Collections (Lyell Collection) |
Letter no: | DCP-LETT-6965F |
To Charles Lyell [3 November 1869]
Summary
Takes "much to heart" solar evidence for short age of the earth. Cites evidence for "long endurance of our existing continents". Comments on process of denudation.
Author: | Charles Robert Darwin |
Addressee: | Charles Lyell, 1st baronet |
Date: | [3 Nov 1869] |
Classmark: | American Philosophical Society (Mss.B.D25.346) |
Letter no: | DCP-LETT-5974 |