To Leonard Horner 14 February [1861]
Summary
Variations in nature arise from unknown causes, accidentally or spontaneously, and are preserved by natural selection if beneficial.
| Author: | Charles Robert Darwin |
| Addressee: | Leonard Horner |
| Date: | 14 Feb [1861] |
| Classmark: | American Philosophical Society (Mss.B.D25.) |
| Letter no: | DCP-LETT-3062 |
Document type
| letter | (1) |
Author
| Darwin, C. R. | (1) |
Addressee
| Horner, Leonard | (1) |
Correspondent
| Darwin, C. R. | (1) |
| Horner, Leonard | (1) |
