To J. D. Hooker 15 November [1854]
Summary
Calculating small number of species in aberrant genera of insects and plants.
Joachim Barrande’s "Colonies", Élie de Beaumont’s "lines of Elevation", Forbes’s "Polarity" make CD despair, as these theories lead to conclusions opposite to CD’s from the same classes of facts.
| Author: | Charles Robert Darwin |
| Addressee: | Joseph Dalton Hooker |
| Date: | 15 Nov [1854] |
| Classmark: | DAR 114: 156 |
| Letter no: | DCP-LETT-1601 |
Document type
| letter | (1) |
Author
| Darwin, C. R. | (1) |
Addressee
| Hooker, J. D. | (1) |
Correspondent
| Darwin, C. R. | (1) |
| Hooker, J. D. | (1) |
