From D. F. Tyler 15 August 1872
Summary
Parallel quotations from Benjamin Franklin and Descent about absorption of heat by different colours; applies to winter and summer plumage of birds.
Reasoning power in dogs.
Author: | Daniel F Tyler |
Addressee: | Charles Robert Darwin |
Date: | 15 Aug 1872 |
Classmark: | DAR 88: 181–2 |
Letter no: | DCP-LETT-8472 |
Document type
letter | (1) |
Addressee
Darwin, C. R. | (1) |
Correspondent
Darwin, C. R. | (1) |
Tyler, D. F. | (1) |
Date
1872 | (1) |