To Charles Lyell 7 February [1866]
Summary
Discussion of Mrs Agassiz’s letter [to Mary Lyell, forwarded to CD] regarding S. American glacial action,
with comments on Bunbury’s letter on temperate plants.
Refers to opinions of Agassiz, David Forbes, Hooker, and CD on glacial period and glaciers.
Wishes he had published a long chapter on glacial period [Natural selection, pp. 535–66] written ten years ago.
Tells of death of his sister, Catherine, and other family matters.
| Author: | Charles Robert Darwin |
| Addressee: | Charles Lyell, 1st baronet |
| Date: | 7 Feb [1866] |
| Classmark: | American Philosophical Society (Mss.B.D25.312) |
| Letter no: | DCP-LETT-4999 |
To Charles Lyell 12 October [1866]
Summary
More comments on proofs [of CL’s Principles of geology, 10th ed.]. Discusses permanence of continents and other points.
Refers to passage describing evaporation of snow in Journal [of researches, pp. 277–8].
Cites astronomers’ views on increasing length of day.
| Author: | Charles Robert Darwin |
| Addressee: | Charles Lyell, 1st baronet |
| Date: | 12 Oct [1866] |
| Classmark: | American Philosophical Society (Mss.B.D25.321) |
| Letter no: | DCP-LETT-5239 |
To Charles Lyell 15 February [1866]
Summary
Thanks CL for Hooker’s letter.
Discussion of Hooker’s views on glacial action and temperature with specific reference to S. America.
His squabbles with Hooker on transport of seeds via water currents,
temperate plants, and preservation of tropical plants during cooler period.
Expresses interest in seeing Agassiz’s letter.
| Author: | Charles Robert Darwin |
| Addressee: | Charles Lyell, 1st baronet |
| Date: | 15 Feb [1866] |
| Classmark: | American Philosophical Society (Mss.B.D25.313) |
| Letter no: | DCP-LETT-5007 |
Matches: 3 hits
- … vol. 12, letter to J. D. Hooker, [20–]22 February [1864] and nn. 10 and 11. See also …
- … J. D. Hooker, 19 January [ 1865] and n. 7); however, Hooker is named as the possible author in ML 1: 479 n. There is an unbound annotated copy of the paper in the Darwin Library–CUL. During 1864, …
- … 1864 ). Hooker had questioned how tropical species could survive a former cold period, and expressed anxiety over the lack of suitable ‘greenhouse’ temperatures during such a period (see Correspondence vol. 6, letter from J. D. …
To Charles Lyell 8 March [1866]
Summary
Gives details of enclosed MS on cool period. Mentions Hooker’s opposed "axis of the earth" view. Causes of glacial period are beyond CD; "cannot believe change in land and water being more than a subsidiary agent".
| Author: | Charles Robert Darwin |
| Addressee: | Charles Lyell, 1st baronet |
| Date: | 8 Mar [1866] |
| Classmark: | American Philosophical Society (Mss.B.D25.316) |
| Letter no: | DCP-LETT-5028 |
