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 |
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 |
From Asa Gray 14 February 1870
Summary
Louis Agassiz’s ill health means AG will not get an answer to CD’s query from him. Suggests CD ask Agassiz’s son, Alexander.
Has no details about the origin of the cat-like behaviour of his dog.
| Author: | Asa Gray |
| Addressee: | Charles Robert Darwin |
| Date: | 14 Feb 1870 |
| Classmark: | DAR 165: 173 |
| Letter no: | DCP-LETT-7105 |
From Asa Gray 27 February and 1 March 1870
Summary
Forwards part of a note [by Mrs L. Agassiz] asking AG to tell CD that Agassiz has never been able to secure one of the fishes sitting on eggs.
In P.S., AG adds, "Agassiz evidently regrets having abused you in former times."
| Author: | Asa Gray |
| Addressee: | Charles Robert Darwin |
| Date: | 27 Feb and 1 Mar 1870 |
| Classmark: | DAR 82: B80 |
| Letter no: | DCP-LETT-7119 |
From D. Appleton & Co. to Asa Gray 1 September 1870
Summary
Statement of sales of U. S. edition of Origin.
| Author: | Asa Gray |
| Addressee: | Charles Robert Darwin |
| Date: | 1 Sept 1870 |
| Classmark: | DAR 159: 87 |
| Letter no: | DCP-LETT-7313 |
From Asa Gray 21 November 1870
Summary
Reports case of apparent incipient dimorphism. Observations on variations in flower structure, especially style length, within species of Polemoniaceae.
| Author: | Asa Gray |
| Addressee: | Charles Robert Darwin |
| Date: | 21 Nov 1870 |
| Classmark: | DAR 110: B70–3 |
| Letter no: | DCP-LETT-7378 |
