To Asa Gray 7 December 1870
Summary
Believes AG’s cases of incipient dimorphism are due to mere variability. Has found examples in Nolana and Amsinckia; believes such variation is the basis for the development of dimorphism. Was unaware of variations in Phlox.
Sensitivity of Drosera and Dionaea.
| Author: | Charles Robert Darwin |
| Addressee: | Asa Gray |
| Date: | 7 Dec 1870 |
| Classmark: | Gray Herbarium of Harvard University (90) |
| Letter no: | DCP-LETT-7388 |
Matches: 6 hits
- … Darwin, C. R. Gray, Asa …
- … To Asa Gray 7 December 1870 …
- … Gray Herbarium of Harvard University (90) Charles Robert Darwin Down 7 Dec 1870 Asa Gray …
- … See letter from Asa Gray, 21 November 1870 . CD was correcting the proof-sheets of …
- … See Correspondence vol. 11, letter to Asa Gray, 20 March [1863] and n. 19; CD refers to …
- … Correspondence vol. 17, letters from Asa Gray, 20 October 1869 and 26 and 29 October [ …
To Asa Gray 15 March [1870]
Summary
The "man-essay" [Descent] is "very interesting but very difficult".
Cat-like behaviour in dogs.
Thanks for information from Louis Agassiz;
wishes he could feel he deserves what Alexander Agassiz says of him.
| Author: | Charles Robert Darwin |
| Addressee: | Asa Gray |
| Date: | 15 Mar [1870] |
| Classmark: | Gray Herbarium of Harvard University (91) |
| Letter no: | DCP-LETT-7132 |
Matches: 6 hits
- … Darwin, C. R. Gray, Asa …
- … To Asa Gray 15 March [1870] …
- … Herbarium of Harvard University (91) Charles Robert Darwin Down 15 Mar [1870] Asa Gray …
- … the thread-leaved sundew, in 1869; see letter from Asa Gray, 20 October 1869 and n. 1. …
- … CD refers to Louis Agassiz. See letter from Asa Gray, 27 February and 1 March 1870 . CD …
- … from Asa and J. L. Gray, 14 February 1870. See letters from Asa and J. L. Gray, 14 …
Document type
| letter | (2) |
Author
| Darwin, C. R. | (2) |
Addressee
| Gray, Asa | [X] |
Correspondent
| Darwin, C. R. | (2) |
| Gray, Asa | (2) |
