To George Howard Darwin 24 January [1868]
Author: | Charles Robert Darwin |
Addressee: | George Howard Darwin |
Date: | 24 Jan [1868] |
Classmark: | DAR 210.1: 3 |
Letter no: | DCP-LETT-5796 |
To G. H. Darwin [24 March 1868]
Author: | Charles Robert Darwin |
Addressee: | George Howard Darwin |
Date: | [24 Mar 1868] |
Classmark: | DAR 210.1: 5 |
Letter no: | DCP-LETT-6044 |
To G. H. Darwin [9 December 1868]
Summary
Asks GHD to look in William Thomson’s book [W. Thomson and P. G. Tait, Treatise on natural philosophy, vol. 1 (1867)] to see how many million years ago Thomson says earth’s crust solidified. CD is troubled by "brevity of the world", because pre-Silurian creatures must have lived during endless ages "else my views wd be wrong, which is impossible – Q.E.D.".
Author: | Charles Robert Darwin |
Addressee: | George Howard Darwin |
Date: | [9 Dec 1868] |
Classmark: | DAR 210.1: 6 |
Letter no: | DCP-LETT-6496 |