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 |
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 |
From Charles Lyell 5 May 1869
Summary
Recalls Cuvier’s reaction to Principles of geology.
Comments on Wallace’s article in the Quarterly Review [see 6684].
Not opposed to ARW’s idea that Supreme Will might direct variation.
Quotes passage in letter from ARW arguing for causes other than selection in determining human abilities.
Discusses excavation of lakes by glaciers.
J. P. Lesley does not believe ice-sheets involved in eroding Appalachians.
Author: | Charles Lyell, 1st baronet |
Addressee: | Charles Robert Darwin |
Date: | 5 May 1869 |
Classmark: | Lyell 1881, 2: 441; DAR 85: A100–1 |
Letter no: | DCP-LETT-6728 |
From Charles Lyell 2 November 1869
Summary
Comments on Huxley’s address ["Geological reform", Q. J. Geol. Soc. Lond. 25 (1869): xxxviii–liii].
Physicists have ignored variation in sea-level in calculating effects.
Doubts if sun only source of heat.
Notes average depth of sea is 15 times height of land.
Criticises CD’s concept of permanent continents.
Sedimentary strata of Alleghenies must have derived from continent located where Atlantic is. Thinks enormous amount of denudation, submergence, and elevation may have accompanied relatively insignificant organic changes.
Author: | Charles Lyell, 1st baronet |
Addressee: | Charles Robert Darwin |
Date: | 2 Nov 1869 |
Classmark: | The University of Edinburgh Centre for Research Collections (Gen.113.ff.3734–3737) |
Letter no: | DCP-LETT-6967 |
Darwin, C. R. | (6) |
Lyell, Charles | (2) |
Lyell, Charles | (6) |
Darwin, C. R. | (2) |