3 Items
Page: 1
To J. D. Hooker 2 December [1854]
Summary
JDH’s "grand speech" on receiving the Royal Medal.
| Author: | Charles Robert Darwin |
| Addressee: | Joseph Dalton Hooker |
| Date: | 2 Dec [1854] |
| Classmark: | DAR 114: 158 |
| Letter no: | DCP-LETT-1609 |
To J. D. Hooker 4 December [1854]
Summary
Is Bentham’s list of aberrant genera biased by exclusion of genera with many species?
JDH’s belief that Aquilegia varieties are one species is consistent with their great interfertility.
| Author: | Charles Robert Darwin |
| Addressee: | Joseph Dalton Hooker |
| Date: | 4 Dec [1854] |
| Classmark: | DAR 114: 159 |
| Letter no: | DCP-LETT-1610 |
To J. D. Hooker 11 [December 1854]
Summary
Debates aberrant species, e.g., Ornithorhynchus and Echidna, with JDH. CD argues they are result of extinction having removed intermediate links to allied forms.
Studying effects of disuse in wings of tame and wild ducks.
Tabulations showing that number of species in a genus is not correlated with number of genera in an order.
| Author: | Charles Robert Darwin |
| Addressee: | Joseph Dalton Hooker |
| Date: | 11 [Dec 1854] |
| Classmark: | DAR 114: 148 |
| Letter no: | DCP-LETT-1612 |
