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From Asa Gray 7 July 1863
Summary
Has extracted CD’s Linum paper [Am. J. Sci. 2d ser. 36 (1863): 279–84].
Elaborate co-adaptations of orchids and insects demonstrate against "chance blows", whether few, as Oswald Heer would have, or many and slight as CD proposes.
| Author: | Asa Gray |
| Addressee: | Charles Robert Darwin |
| Date: | 7 July 1863 |
| Classmark: | DAR 165: 127, 137 |
| Letter no: | DCP-LETT-4234 |
From Asa Gray 21 July 1863
Summary
Gives some observations on Drosera.
Comments on Richard Owen’s "transmutation theory" in his aye-aye paper [Trans. Zool. Soc. Lond. 5 (1866): 33–101].
| Author: | Asa Gray |
| Addressee: | Charles Robert Darwin |
| Date: | 21 July 1863 |
| Classmark: | DAR 165: 128, 138 |
| Letter no: | DCP-LETT-4248 |
Addressee
| Darwin, C. R. | (2) |
Correspondent
| Darwin, C. R. | (2) |
| Gray, Asa | (2) |
