From Thomas Meehan 3 March 1873
Summary
Although he believes in evolution, TM feels that natural selection is an inadequate cause;
nor is he satisfied with E. D. Cope’s law of acceleration and retardation.
Discusses some of his work relating to nutrition and sex and colour and sex.
| Author: | Thomas Meehan |
| Addressee: | Charles Robert Darwin |
| Date: | 3 Mar 1873 |
| Classmark: | DAR 171: 109 |
| Letter no: | DCP-LETT-8796 |
To Thomas Meehan 19 March [1873]
Summary
Does not understand TM’s views on sex and vitality.
Agrees no real "essences" in genera, only broken groups of species.
| Author: | Charles Robert Darwin |
| Addressee: | Thomas Meehan |
| Date: | 19 Mar [1873] |
| Classmark: | DAR 146: 352 |
| Letter no: | DCP-LETT-8816 |
Document type
| letter | (2) |
Author
| Darwin, C. R. | (1) |
| Meehan, Thomas | (1) |
Addressee
| Darwin, C. R. | (1) |
| Meehan, Thomas | (1) |
Correspondent
| Darwin, C. R. | (2) |
| Meehan, Thomas | (2) |
