To Charles Lyell 28 [September 1860]
Summary
Discusses extinction of ammonites.
Discusses August Krohn’s cirripede research and Krohn’s correction of his own work.
Discusses origin of dog in connection with origin of man.
Comments on the guinea-pig in South America.
Notes K. E. von Baer’s view of species.
Mentions difficulty of crossing rabbit and hare.
Agrees with Hooker’s views on variation under cultivation and in nature.
Regrets use of term "natural selection", would now use "Natural Preservation".
| Author: | Charles Robert Darwin |
| Addressee: | Charles Lyell, 1st baronet |
| Date: | 28 [Sept 1860] |
| Classmark: | American Philosophical Society (Mss.B.D25.229) |
| Letter no: | DCP-LETT-2931 |
To J. S. Henslow 28 [September 1860]
Summary
Has been observing Drosera. Asks JSH whether a curious motion in the red fluid poured out from the viscid hairs is a known or common phenomenon. It surprised him, but he is "so ignorant of vegetable physiology".
| Author: | Charles Robert Darwin |
| Addressee: | John Stevens Henslow |
| Date: | 28 [Sept 1860] |
| Classmark: | DAR 93: A76–8 |
| Letter no: | DCP-LETT-2932 |
Document type
| letter | (2) |
Author
| Darwin, C. R. | (2) |
Addressee
| Henslow, J. S. | (1) |
| Lyell, Charles | (1) |
Correspondent
| Darwin, C. R. | (2) |
| Henslow, J. S. | (1) |
| Lyell, Charles | (1) |
letter
