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From J. D. Hooker [16 November 1856]
Summary
JDH not happy with CD’s explanation of the absence of north temperate forms in the Southern Hemisphere, given his explanation for the spread of sub-arctic forms to the south. [CD’s note is in response to JDH’s criticism.]
| Author: | Joseph Dalton Hooker |
| Addressee: | Charles Robert Darwin |
| Date: | [16 Nov 1856] |
| Classmark: | DAR 100: 162–3 |
| Letter no: | DCP-LETT-1622 |
From J. D. Hooker 9 November 1856
Summary
JDH approves MS section on geographical distribution.
Never felt so shaky about species before.
His objections to some mechanisms of distribution that CD proposes.
| Author: | Joseph Dalton Hooker |
| Addressee: | Charles Robert Darwin |
| Date: | 9 Nov 1856 |
| Classmark: | DAR 100: 105–10 |
| Letter no: | DCP-LETT-1983 |
From J. D. Hooker 22 November 1856
Summary
Continued debate on formation of species as a result of retreat from glaciers.
JDH suggests internal powers of species modification, which he knows CD abhors.
| Author: | Joseph Dalton Hooker |
| Addressee: | Charles Robert Darwin |
| Date: | 22 Nov 1856 |
| Classmark: | DAR 100: 111–12 |
| Letter no: | DCP-LETT-1995 |
