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) |
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