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This etext was prepared by Sue Asscher 
 
 
THE LIFE AND LETTERS OF CHARLES DARWIN 
INCLUDING AN AUTOBIOGRAPHICAL 
CHAPTER 
EDITED BY HIS SON 
FRANCIS DARWIN 
 
VOLUME I 
 
PREFACE 
In choosing letters for publication I have been largely guided by the 
wish to illustrate my father's personal character. But his life was so 
essentially one of work, that a history of the man could not be written 
without following closely the career of the author. Thus it comes about 
that the chief part of the book falls into chapters whose titles 
correspond to the names of his books. 
In arranging the letters I have adhered as far as possible to 
chronological sequence, but the character and variety of his researches 
make a strictly chronological order an impossibility. It was his habit to 
work more or less simultaneously at several subjects. Experimental 
work was often carried on as a refreshment or variety, while books 
entailing reasoning and the marshalling of large bodies of facts were 
being written. Moreover, many of his researches were allowed to drop, 
and only resumed after an interval of years. Thus a rigidly 
chronological series of letters would present a patchwork of subjects, 
each of which would be difficult to follow. The Table of Contents will 
show in what way I have attempted to avoid this result. 
In printing the letters I have followed (except in a few cases) the usual 
plan of indicating the existence of omissions or insertions. My father's 
letters give frequent evidence of having been written when he was tired 
or hurried, and they bear the marks of this circumstance. In writing to a 
friend, or to one of his family, he frequently omitted the articles: these 
have been inserted without the usual indications, except in a few
instances, where it is of special interest to preserve intact the hurried 
character of the letter. Other small words, such as "of", "to", etc., have 
been inserted usually within brackets. I have not followed the originals 
as regards the spelling of names, the use of capitals, or in the matter of 
punctuation. My father underlined many words in his letters; these have 
not always been given in italics,--a rendering which would unfairly 
exaggerate their effect. 
The Diary or Pocket-book, from which quotations occur in the 
following pages, has been of value as supplying a frame-work of facts 
round which letters may be grouped. It is unfortunately written with 
great brevity, the history of a year being compressed into a page or less; 
and contains little more than the dates of the principal events of his life, 
together with entries as to his work, and as to the duration of his more 
serious illnesses. He rarely dated his letters, so that but for the Diary it 
would have been all but impossible to unravel the history of his books. 
It has also enabled me to assign dates to many letters which would 
otherwise have been shorn of half their value. 
Of letters addressed to my father I