To J. D. Hooker 18 March [1861]
Summary
Argument, based on geographical distribution and competition, for a mundane glacial period rather than cooling of one longitudinal belt at a time.
| Author: | Charles Robert Darwin |
| Addressee: | Joseph Dalton Hooker |
| Date: | 18 Mar [1861] |
| Classmark: | DAR 115: 90 |
| Letter no: | DCP-LETT-3091 |
Matches: 4 hits
- … Tropics became slightly cooled, and a few temperate forms reached the Silla of Caraccas …
- … immigrated. But the productions of the temperate regions would have probably found under …
- … Hence I can persuade myself that the temperate productions would not entirely replace & …
- … and other animals; whereas the invading temperate productions though finding a favouring …
From H. W. Bates 28 March 1861
Summary
Discusses specific varieties, especially geographic varieties.
Comments on the effects of the glacial age on the tropics.
Sexual selection.
| Author: | Henry Walter Bates |
| Addressee: | Charles Robert Darwin |
| Date: | 28 Mar 1861 |
| Classmark: | DAR 160.1: 62 |
| Letter no: | DCP-LETT-3104 |
Matches: 5 hits
- … I can see no traces of a migration of high-temperate-zone forms across the region. Now …
- … genera of insects characteristic of the high-temperate zones, which are now common to S. …
- … it would appear 1 st . that Northern temperate forms more readily cross the equator in …
- … faunas & floras between the N. & S. temperate zones was of such a nature as to require …
- … there are genera peculiar to the high temperate zones of both hemispheres which present in …
To H. W. Bates 26 March [1861]
Summary
Comments on the great extent of variations and on the acknowledgment of the new idea of greater female variety.
Expresses belief that the glacial period did affect the tropics, though HWB’s arguments have confounded him.
Poses a series of questions concerning sexual selection.
| Author: | Charles Robert Darwin |
| Addressee: | Henry Walter Bates |
| Date: | 26 Mar [1861] |
| Classmark: | Cleveland Health Sciences Library (Robert M. Stecher collection) |
| Letter no: | DCP-LETT-3100 |
To H. W. Bates 4 April [1861]
Summary
CD urges HWB to write on his travels;
asks for facts on domestic variations;
is pleased by HWB’s acceptance of the theory of sexual selection.
He still believes in migration from north to south during glacial age.
Hopes Bates will publish a paper on mimicry.
| Author: | Charles Robert Darwin |
| Addressee: | Henry Walter Bates |
| Date: | 4 Apr [1861] |
| Classmark: | Cleveland Health Sciences Library (Robert M. Stecher collection) |
| Letter no: | DCP-LETT-3109 |
From Henry Walter Bates 18 March 1861
Summary
Sends his paper ["Insect fauna of the Amazon valley", Trans. R. Entomol. Soc. Lond. 2d ser. 5 (1861): 223–8, 335–61].
Points out three areas of interest arising from the study of the species of Papilio: the derivation of the fauna, the variability of the species, and the permanence of local varieties.
Discusses J. S. Baly’s views on specific differences in reproductive organs [Catalogue of the Hispidae in the collection of the British Museum (1858)].
| Author: | Henry Walter Bates |
| Addressee: | Charles Robert Darwin |
| Date: | 18 Mar 1861 |
| Classmark: | DAR 160.1: 61 |
| Letter no: | DCP-LETT-3092 |
To J. D. Hooker 17 November [1861]
Summary
JDH’s letter on grounds of generalisation in plant morphology.
Faunal distribution and the glacial period.
Orchid homologies.
| Author: | Charles Robert Darwin |
| Addressee: | Joseph Dalton Hooker |
| Date: | 17 Nov [1861] |
| Classmark: | DAR 115: 131 |
| Letter no: | DCP-LETT-3322 |
To Charles Lyell 1 October [1861]
Summary
The flint tools found at Bedford.
Further discussion of Jamieson’s theory of the formation of the roads of Glen Roy by a glacial lake. Comments on formation of Glen Spean terraces. Mentions glaciers in North Wales.
Agreement with John Murray to publish [Orchids].
| Author: | Charles Robert Darwin |
| Addressee: | Charles Lyell, 1st baronet |
| Date: | 1 Oct [1861] |
| Classmark: | American Philosophical Society (Mss.B.D25.266) |
| Letter no: | DCP-LETT-3272 |
Matches: 1 hit
- … America, and of other parts of the northern temperate zone. [Read 14 December 1858 and 11 …
To Daniel Oliver 30 November [1861]
Summary
Requests that DO examine enclosed microscope slides of Acropera ovules, to confirm CD’s opinion that females are non-functional.
Can DO comment on disagreement between Robert Brown and John Lindley over the number of Acropera carpels?
O. Heer’s Atlantis theory vs CD’s hypothesis of a migration north during warm periods.
| Author: | Charles Robert Darwin |
| Addressee: | Daniel Oliver |
| Date: | 30 Nov [1861] |
| Classmark: | DAR 261.10: 2 (EH 88205986) |
| Letter no: | DCP-LETT-3333 |
Matches: 1 hit
- … a pre-glacial warm period, northern temperate forms lived at latitudes further north and …
To J. D. Hooker 28 September [1861]
Summary
Bates agrees with CD on neuter ants.
Orchids.
Repeating experiment of C. F. v. Gärtner to study Huxley’s idea of physiological species.
| Author: | Charles Robert Darwin |
| Addressee: | Joseph Dalton Hooker |
| Date: | 28 Sept [1861] |
| Classmark: | DAR 115: 114 |
| Letter no: | DCP-LETT-3268 |
Matches: 1 hit
- … the glacial period had allowed migration of temperate species from one hemisphere to the …
| letter | (9) |
| Darwin, C. R. | (7) |
| Bates, H. W. | (2) |
| Hooker, J. D. | (3) |
| Bates, H. W. | (2) |
| Darwin, C. R. | (2) |
| Lyell, Charles | (1) |
| Oliver, Daniel | (1) |
| Darwin, C. R. | (9) |
| Bates, H. W. | (4) |
| Hooker, J. D. | (3) |
| Lyell, Charles | (1) |
| Oliver, Daniel | (1) |
Origin: the lost changes for the second German edition
Summary
Darwin sent a list of changes made uniquely to the second German edition of Origin to its translator, Heinrich Georg Bronn. That lost list is recreated here.
Matches: 10 hits
- … on the mountains of Abyssinia, and likewise to those of temperate Europe. This is one of the most …
- … than at present in various parts of the tropics, where temperate forms apparently have crossed; but …
- … So again, on the island of Fernando Po, Mr. Mann found temperate European forms first beginning to …
- … of the torrid zone harmoniously blended with those of the temperate. So that under certain …
- … have co-existed for an indefinitely long period mingled with temperate forms. At one time …
- … cannot look to the peninsula of India for such a refuge, as temperate forms have reached nearly all …
- … of Java we see European forms, and on the heights of Borneo temperate Australian productions. If we …
- … continent to its southern extremity; but we now know that temperate forms have likewise travelled …
- … are on the mountains of Brazil a few southern and northern temperate and some Andean forms, which it …
- … number of forms in Australia, which are related to European temperate forms, but which differ so …
2.22 L.-J. Chavalliaud statue in Liverpool
Summary
< Back to Introduction At about the time when a statue of Darwin was being commissioned by the Shropshire Horticultural Society for his native town of Shrewsbury, his transformative contributions to the sciences of botany and horticulture were also…
Matches: 1 hits
- … Moncur, who also worked on the north and south blocks of the Temperate House at Kew. The Palm House …
Darwin's notes for his physician, 1865
Summary
On 20 May 1865, Emma Darwin recorded in her diary that John Chapman, a prominent London publisher who had studied medicine in London and Paris in the early 1840s, visited Down to consult with Darwin about his ill health. In 1863 Chapman started to treat…
Matches: 1 hits
- … lumbago– fundament–rash. Always been temperate– now wine comforts me much– could …
Darwin in letters, 1869: Forward on all fronts
Summary
At the start of 1869, Darwin was hard at work making changes and additions for a fifth edition of Origin. He may have resented the interruption to his work on sexual selection and human evolution, but he spent forty-six days on the task. Much of the…
Matches: 1 hits
- … would migrate towards the equator during an ice age and that temperate species would survive at …
Rewriting Origin - the later editions
Summary
For such an iconic work, the text of Origin was far from static. It was a living thing that Darwin continued to shape for the rest of his life, refining his ‘one long argument’ through a further five English editions. Many of his changes were made in…
Matches: 1 hits
- … of similar species in both the northern and southern temperate zones. In the first edition of …
Darwin in letters,1866: Survival of the fittest
Summary
The year 1866 began well for Charles Darwin, as his health, after several years of illness, was now considerably improved. In February, Darwin received a request from his publisher, John Murray, for a new edition of Origin. Darwin got the fourth…
Matches: 1 hits
- … observed distributions, such as the presence of the same temperate species on distant mountains, and …
Satire of FitzRoy's Narrative of the Voyages of the Adventure and Beagle, by John Clunies Ross. Transcription by Katharine Anderson
Summary
[f.146r Title page] Voyages of the Adventure and Beagle Supplement / to the 2nd 3rd and Appendix Volumes of the First / Edition Written / for and in the name of the Author of those / Volumes By J.C. Ross. / Sometime Master of a…
Matches: 1 hits
- … Settlement – a thoroughly convict colony – a healthy temperate climate – far removed from civilized …
