From James Croll 4 February 1869
Summary
Argues for great age of earth before the Cambrian period. Opposes measuring age from secular cooling. Opposes Sir William Thomson. Lyell’s error on secular cooling.
Thanks for Moseley citation ["On the mechanical possibility of the descent of glaciers", Proc. R. Soc. Lond. 17 (1869): 202–8].
In Edinburgh he feels out of touch with latest developments.
Author: | James Croll |
Addressee: | Charles Robert Darwin |
Date: | 4 Feb 1869 |
Classmark: | DAR 161: 263 |
Letter no: | DCP-LETT-6599 |
From James Croll 15 February 1869
Summary
Thanks for abstract of Moseley’s paper on motion of glaciers [see 6599]. Reading it convinced him that Tyndall’s received view is wrong. Has formed a new view, which he has sent to Philosophical Magazine [4th ser. 37 (1869): 201–6].
Author: | James Croll |
Addressee: | Charles Robert Darwin |
Date: | 15 Feb 1869 |
Classmark: | DAR 161: 264 |
Letter no: | DCP-LETT-6616 |
From James Croll 23 June 1869
Summary
Thanks for presentation copy of Origin [5th ed.].
Clarifies his point on north and south glacial periods. Supports CD’s view that temperate plants will move up mountains during the alternation.
Author: | James Croll |
Addressee: | Charles Robert Darwin |
Date: | 23 June 1869 |
Classmark: | DAR 161: 265 |
Letter no: | DCP-LETT-6799 |
letter | (3) |
Croll, James | (3) |