To Otto Zacharias 17 April [1878]
Summary
Doesn’t know anything about the insects in question, but has sent the photographs on to an expert in London.
Author: | Charles Robert Darwin |
Addressee: | Otto Zacharias |
Date: | 17 Apr [1878] |
Classmark: | University of Southern California Libraries, Special Collections, Feuchtwanger Memorial Library (Collection no. 0204, Lion Feuchtwanger papers, Box 01) |
Letter no: | DCP-LETT-11478F |
Matches: 1 hit
- … no. 0204, Lion Feuchtwanger papers, Box 01) Charles Robert Darwin Down 17 Apr [1878] Otto …
From Edward Cresy 10 November 1860
Summary
Explains discrepancies in weights and measures caused by changes since 1836 in apothecaries’ measures.
EC has found that a discrepancy in A. W. von Hofmann’s experiments with iodine solutions resulted from an error in Hofmann’s use of decimals.
Reports S. P. Woodward’s opinion of the Origin: "a very sad book, it unsettles all one’s religious principles and the worst of it is so much of it is true".
Author: | Edward Cresy, Jr |
Addressee: | Charles Robert Darwin |
Date: | 10 Nov 1860 |
Classmark: | DAR 58.1: 7, 9 |
Letter no: | DCP-LETT-2980 |
Matches: 4 hits
- … of iodine in 1 kilogramme of water. i.e. .01 milligramme per gramme. [diag] The original …
- … of the solution containing therefore .01 milligramme that is 1 100 of a milligramme, & he …
- … 1000 grammes = 1 kilogramme = 1 litre—gives .01 per gramme and in this the Sec says I am …
- … to write a milligramme .001 then the D rs .01 becomes .00001 a very clumsy figure to work …
From Leonard Darwin [after 14 February 1874]
Author: | Leonard Darwin |
Addressee: | Charles Robert Darwin |
Date: | [after 14 Feb 1874] |
Classmark: | DAR 90: 8 |
Letter no: | DCP-LETT-8709 |
To Karl von Scherzer 1 April 1878
Summary
Glad to hear of Ernst Haeckel’s reception in Vienna.
R. Virchow’s address ["Liberty of science", Nature 17 (1877–8): 72–4, 92–4, 111–13] very arrogant.
Sorry to hear of death of Arthur Lane.
Author: | Charles Robert Darwin |
Addressee: | Karl von Scherzer |
Date: | 1 Apr 1878 |
Classmark: | University of Southern California Libraries, Special Collections, Feuchtwanger Memorial Library (Collection no. 0204, Lion Feuchtwanger papers, Box 01) |
Letter no: | DCP-LETT-11460 |
Matches: 1 hit
- … no. 0204, Lion Feuchtwanger papers, Box 01) Charles Robert Darwin Down 1 Apr 1878 Karl von …
To J. S. Burdon Sanderson 30 April [1876]
Summary
Suggests JSBS’s new machine for observing arterial action be used to test CD’s hypothesis that blushing is caused by thinking intensely about a part of the body and thus releasing the arteries.
Author: | Charles Robert Darwin |
Addressee: | John Scott Burdon Sanderson, baronet |
Date: | 30 Apr [1876] |
Classmark: | University of British Columbia Library, Rare Books and Special Collections (Darwin - Burdon Sanderson letters RBSC-ARC-1731-1-01) |
Letter no: | DCP-LETT-10485 |
Matches: 1 hit
- … Burdon Sanderson letters RBSC-ARC-1731-1-01) Charles Robert Darwin London, Queen Anne St, …
From J. V. Carus 19 March 1876
Summary
Insectivorous plants is out
and Climbing plants is at the printer’s.
He is now at work on the geological writings.
Thinks all of CD’s papers extremely interesting "for the spirit and the method".
Cites some misprints in Climbing plants.
Author: | Julius Victor Carus |
Addressee: | Charles Robert Darwin |
Date: | 19 Mar 1876 |
Classmark: | DAR 161: 103 |
Letter no: | DCP-LETT-10419 |
Matches: 1 hit
- … P. 58 l. 12 from bottom read 8,1 mg for 8, 01 mg. Do you happen to have a bound copy of …
Darwin, C. R. | (3) |
Carus, J. V. | (1) |
Cresy, Edward, Jr | (1) |
Darwin, Leonard | (1) |
Darwin, C. R. | (3) |
Burdon Sanderson, J. S. | (1) |
Scherzer, Karl von | (1) |
Zacharias, Otto | (1) |
Darwin, C. R. | (6) |
Burdon Sanderson, J. S. | (1) |
Carus, J. V. | (1) |
Cresy, Edward, Jr | (1) |
Darwin, Leonard | (1) |
Origin in Commentary

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.

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
- … a difficulty for his theory ( Origin 4th ed., pp. 450–1). Croll’s theory, simply stated, proposed …

Darwin in letters, 1860: Answering critics
Summary
On 7 January 1860, John Murray published the second edition of Darwin’s Origin of species, printing off another 3000 copies to satisfy the demands of an audience that surprised both the publisher and the author. It wasn't long, however, before ‘the…
Matches: 0 hits

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
- … & what is delightful, I am able to write easy work for about 1½ hours every day’ ( letter to H. …

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: 0 hits

Darwin in letters, 1861: Gaining allies
Summary
The year 1861 marked an important change in the direction of Darwin’s work. He had weathered the storm that followed the publication of Origin, and felt cautiously optimistic about the ultimate acceptance of his ideas. The letters from this year provide an…
Matches: 1 hits
- … history was evident. He told Darwin in his letter of [1 December] 1861: I think the whole …