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Darwin in letters,1870: Human evolution
Summary
The year 1870 is aptly summarised by the brief entry Darwin made in his journal: ‘The whole of the year at work on the Descent of Man & Selection in relation to Sex’. Descent was the culmination of over three decades of observations and reflections on…
Matches: 3 hits
- … sons: ‘This . . . apparatus, which I have called “ papilionaceous pump apparatus ” is rather …
- … vermicelli-makers.’ Bees settling onto the carina of the flowers caused the pistil and filaments to …
- … in particular the mouth-parts of bees, to the forms of flowers: ‘As far as I know, no one has …
Scientific Networks
Summary
Friendship|Mentors|Class|Gender In its broadest sense, a scientific network is a set of connections between people, places, and things that channel the communication of knowledge, and that substantially determine both its intellectual form and content,…
Matches: 7 hits
- … fertilisation in the bud and the insect pollination of papilionaceous flowers. His theory explains …
- … Origin turned him away from a Linnean interpretation of flowers and mosses. He is glad that Darwin …
- … plants” offprint and for references on fertilisation of flowers. Considering the bounty of work …
- … in considering Acropera unisexual, with only male flowers [ Orchids , pp. 203–10]. Scott has …
- … contacting any stigmatic surface. Abortive ovules found in flowers did not become fertilised when …
- … pollination is ingenious. Pollen-tubes of some cleistogamous flowers germinate in the anthers. …
- … in the third person by Lydia Becker to Darwin. Becker sends flowers of a variety of Lychnis dioica …
Darwin in letters, 1856-1857: the 'Big Book'
Summary
In May 1856, Darwin began writing up his 'species sketch’ in earnest. During this period, his working life was completely dominated by the preparation of his 'Big Book', which was to be called Natural selection. Using letters are the main…
Matches: 2 hits
- … Nor could the botanists that Darwin asked about plants whose flowers seemed consistently to …
- … or practical, could agree on whether the structure of papilionaceous flowers would allow for cross …
Darwin in letters, 1858-1859: Origin
Summary
The years 1858 and 1859 were, without doubt, the most momentous of Darwin’s life. From a quiet rural existence filled with steady work on his ‘big book’ on species, he was jolted into action by the arrival of an unexpected letter from Alfred Russel Wallace…
Matches: 1 hits
- … entitled ‘On the agency of bees in the fertilisation of papilionaceous flowers and on the crossingof …
