To Charles Lyell 1 October [1862]
Summary
Mentions a discussion of man by Isidore Geoffroy Saint-Hilaire in his Histoire naturelle générale [1854–62].
Mentions a book by Friedrich Rolle [Ch. Darwin’s Lehre von der Entstehung der Arten (1863)].
Cites evolutionary statements on elephants by Hugh Falconer and notes Falconer’s objection to natural selection.
| Author: | Charles Robert Darwin |
| Addressee: | Charles Lyell, 1st baronet |
| Date: | 1 Oct [1862] |
| Classmark: | American Philosophical Society (Mss.B.D25.282) |
| Letter no: | DCP-LETT-3747 |
To Charles Lyell 14 October [1862]
Summary
Further comments on Jamieson’s theory of the formation of the roads of Glen Roy; paper by Jamieson dealing with glaciation in Scotland ["On the ice-worn rocks of Scotland", Q. J. Geol. Soc. Lond. 18 (1862): 164–84].
Comments on paper by A. C. Ramsay on the glacial formation of lakes ["On the glacial origin of certain lakes", Q. J. Geol. Soc. Lond. 18 (1862): 185–204].
Criticises remarks by John Tyndall on glacial formation of Swiss valleys.
| Author: | Charles Robert Darwin |
| Addressee: | Charles Lyell, 1st baronet |
| Date: | 14 Oct [1862] |
| Classmark: | American Philosophical Society (Mss.B.D25.267), The University of Edinburgh Centre for Research Collections (Gen. 112/2840–3) |
| Letter no: | DCP-LETT-3761 |
