To J. F. W. Herschel 4 February 1848
Summary
Undertakes to write geological part of Admiralty Instructions [A manual of scientific enquiry (1849), Collected papers 1: 227–50]. Has doubts as to his success.
| Author: | Charles Robert Darwin |
| Addressee: | John Frederick William Herschel, 1st baronet |
| Date: | 4 Feb 1848 |
| Classmark: | The Royal Society (HS6: 11) |
| Letter no: | DCP-LETT-1151 |
To J. F. W. Herschel [21 March 1848]
Summary
Sends MS of his chapter on geology for Manual [Collected papers 1: 227–50]. Fears it may be too long. Does not much like it but can do no better. After hesitation, has recommended books. Defends his point that mere collection of rock specimens is "of hardly any use to Geology".
| Author: | Charles Robert Darwin |
| Addressee: | John Frederick William Herschel, 1st baronet |
| Date: | [21 Mar 1848] |
| Classmark: | The Royal Society (HS6: 14) |
| Letter no: | DCP-LETT-1164 |
To J. F. W. Herschel 7 May [1848]
Summary
Sends MS of "Geology" for Manual [Collected papers 1: 227–50]. First parcel lost. Asks JFWH to give advice on an unclear note, translated from Élie de Beaumont, on measuring incline of lava-flows.
| Author: | Charles Robert Darwin |
| Addressee: | John Frederick William Herschel, 1st baronet |
| Date: | 7 May [1848] |
| Classmark: | The Royal Society (HS6: 15) |
| Letter no: | DCP-LETT-1173 |
To J. F. W. Herschel 11 May [1848]
Summary
Describes colour changes from blue to red in valves of operculum of the cirripede genus Ibla.
| Author: | Charles Robert Darwin |
| Addressee: | John Frederick William Herschel, 1st baronet |
| Date: | 11 May [1848] |
| Classmark: | The Royal Society (HS6: 12) |
| Letter no: | DCP-LETT-1175 |
To J. F. W. Herschel 6 June [1848]
Summary
Sends two valves of Ibla.
In his chapter [for Manual, Collected papers 1: 227–50], he will strike out any part that JFWH wants struck out, but if much shortening is required it will need rewriting.
| Author: | Charles Robert Darwin |
| Addressee: | John Frederick William Herschel, 1st baronet |
| Date: | 6 June [1848] |
| Classmark: | The Royal Society (HS6: 13) |
| Letter no: | DCP-LETT-1183 |
