From J. D. Hooker [16? October 1864]
Summary
Morphological differences only partly define species; physiological differences, e.g., incompatibility results in Primula, are far more interesting.
T. Thomson’s review of Agardh’s muddled book ["Agardh’s classification of plants", Nat. Hist. Rev. (1864): 536–51].
| Author: | Joseph Dalton Hooker |
| Addressee: | Charles Robert Darwin |
| Date: | [16? Oct 1864] |
| Classmark: | DAR 101: 246, 246a |
| Letter no: | DCP-LETT-4638 |
From J. D. Hooker 26[–8] October 1864
Summary
Comments at length on Ramsay’s glacial paper ["On the erosion of valleys and lakes", Philos. Mag. 4th ser. 28 (1864): 293–311]. Prefers it to Tyndall, but unconvinced about sea action and unwilling to grant that ice power sculptures the totality of landscape.
Unwilling to support Wallace for Royal Medal.
Herbert Spencer’s noisy vacuity.
Garden varieties that are constant and infertile with parent deserve to be called species.
Scott ineligible to be Linnean Society associate because he is not in England.
George Busk’s incoherent talk on Gibraltar cave fossils.
| Author: | Joseph Dalton Hooker |
| Addressee: | Charles Robert Darwin |
| Date: | 26[–8] Oct 1864 |
| Classmark: | DAR 101: 247–53 |
| Letter no: | DCP-LETT-4645 |
| Darwin, C. R. | (2) |
