To J. S. Burdon Sanderson 26 June [1873]
Summary
Would welcome JSBS visit to discuss Drosera. Nitrogenous fluids can act as ferments only if they act merely by exciting molecular movement in adjoining molecules.
Glass and cotton excite movement and cause cell contents to change visibly. Huxley coming to see this phenomenon.
Studied effect of poisons 12 or 15 years ago to see whether the action was similar to that on nervous tissue.
| Author: | Charles Robert Darwin |
| Addressee: | John Scott Burdon Sanderson, 1st baronet |
| Date: | 26 June [1873] |
| Classmark: | University of British Columbia Library, Rare Books and Special Collections (Darwin - Burdon Sanderson letters RBSC-ARC-1731-1-08) |
| Letter no: | DCP-LETT-8952 |
From David Forbes 1 March 1872
Summary
Sends information on composition of chalk at Shoreham and Folkestone.
| Author: | David Forbes |
| Addressee: | Charles Robert Darwin |
| Date: | 1 Mar 1872 |
| Classmark: | DAR 164: 149 |
| Letter no: | DCP-LETT-8233 |
Matches: 1 hit
- … 08 Insoluble (silicious rock debris) 1·10 Alumina(with Phosporic acid 0·42 100·00 Grey chalk. beds resting on greensand level of low water Folkestone Carbonate of lime 94·09 — of Magnesium 0·31 Insoluble (rock debris) 3·61 Phosphoric acid traces Sea } Chloride of sodium 1·29 infiltration Water 0·70 100·00 Top of letter : ‘ …
| letter | (2) |
| Darwin, C. R. | (1) |
| Forbes, David | (1) |
| Burdon Sanderson, J. S. | (1) |
| Darwin, C. R. | (1) |
| Darwin, C. R. | (2) |
| Burdon Sanderson, J. S. | (1) |
| Forbes, David | (1) |
Natural selections: a longer read in Commentary
Darwin’s hothouse and lists of hothouse plants
Summary
Darwin became increasingly involved in botanical experiments in the years after the publication of Origin. The building of a small hothouse - a heated greenhouse - early in 1863 greatly increased the range of plants that he could keep for scientific…
Matches: 1 hits
- … Towards the end of 1862, Darwin resolved to build a small hothouse at Down House, for …
Henrietta Darwin's diary
Summary
Darwin's daughter Henrietta kept a diary for a few momentous weeks in 1871. This was the year in which Descent of Man, the most controversial of her father's books after Origin itself, appeared, a book which she had helped him write. The small…
Matches: 1 hits
- … Charles Darwin’s daughter Henrietta wrote the following journal entries in March and July 1871 in …
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
- … The years 1858 and 1859 were, without doubt, the most momentous of Darwin’s life. From a quiet …
The evolution of honeycomb
Summary
Honeycombs are natural engineering marvels, using the least possible amount of wax to provide the greatest amount of storage space, with the greatest possible structural stability. Darwin recognised that explaining the evolution of the honey-bee’s comb…
Matches: 1 hits
- … Honey-bees construct wax combs inside their nests. The combs are made of hexagonal prisms – cells …
Darwin’s observations on his children
Summary
Charles Darwin’s observations on the development of his children, began the research that culminated in his book The Expression of the emotions in man and animals, published in 1872, and his article ‘A biographical sketch of an infant’, published in Mind…
Matches: 1 hits
- … Charles Darwin’s observations on the development of his children,[1] began the research that …
Darwin and the Church
Summary
The story of Charles Darwin’s involvement with the church is one that is told far too rarely. It shows another side of the man who is more often remembered for his personal struggles with faith, or for his role in large-scale controversies over the…
Matches: 1 hits
- … The story of Charles Darwin’s involvement with the church is one that is told far too rarely. It …
