The Variation of Animals and Plants under Domestication, vol 1 | Page 3

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This etext was prepared by Sue Asscher [email protected]

THE VARIATION OF
ANIMALS AND PLANTS
UNDER DOMESTICATION
BY
CHARLES DARWIN, M.A., F.R.S., ETC.
IN TWO VOLUMES
VOLUME I.

PREFACE TO THE SECOND EDITION.
During the seven years which have elapsed since the publication in
1868 of the first edition of this Work, I have continued to attend to the

same subjects, as far as lay in my power; and I have thus accumulated a
large body of additional facts, chiefly through the kindness of many
correspondents. Of these facts I have been able here to use only those
which seemed to me the more important. I have omitted some
statements, and corrected some errors, the discovery of which I owe to
my reviewers. Many additional references have been given. The
eleventh chapter, and that on Pangenesis, are those which have been
most altered, parts having been re- modelled; but I will give a list of the
more important alterations for the sake of those who may possess the
first edition of this book.

CONTENTS.
INTRODUCTION.

CHAPTER 1.
I.
DOMESTIC DOGS AND CATS.
ANCIENT VARIETIES OF THE DOG--RESEMBLANCE OF
DOMESTIC DOGS IN VARIOUS COUNTRIES TO NATIVE
CANINE SPECIES--ANIMALS NOT ACQUAINTED WITH MAN
AT FIRST FEARLESS--DOGS RESEMBLING WOLVES AND
JACKALS--HABIT OF BARKING ACQUIRED AND
LOST--FERAL DOGS--TAN-COLOURED EYE-SPOTS--PERIOD
OF GESTATION- -OFFENSIVE ODOUR--FERTILITY OF THE
RACES WHEN CROSSED--DIFFERENCES IN THE SEVERAL
RACES IN PART DUE TO DESCENT FROM DISTINCT
SPECIES--DIFFERENCES IN THE SKULL AND
TEETH--DIFFERENCES IN THE BODY, IN
CONSTITUTION--FEW IMPORTANT DIFFERENCES HAVE
BEEN FIXED BY SELECTION--DIRECT ACTION OF
CLIMATE--WATER-DOGS WITH PALMATED FEET--HISTORY
OF THE CHANGES WHICH CERTAIN ENGLISH RACES OF THE
DOG HAVE GRADUALLY UNDERGONE THROUGH
SELECTION--EXTINCTION OF THE LESS IMPROVED
SUB-BREEDS.
CATS, CROSSED WITH SEVERAL SPECIES--DIFFERENT

BREEDS FOUND ONLY IN SEPARATED COUNTRIES--DIRECT
EFFECTS OF THE CONDITIONS OF LIFE--FERAL CATS--
INDIVIDUAL VARIABILITY.

CHAPTER 1.
II.
HORSES AND ASSES.
HORSE--DIFFERENCES IN THE BREEDS--INDIVIDUAL
VARIABILITY OF--DIRECT EFFECTS OF THE CONDITIONS OF
LIFE--CAN WITHSTAND MUCH COLD--BREEDS MUCH
MODIFIED BY SELECTION--COLOURS OF THE
HORSE--DAPPLING--DARK STRIPES ON THE SPINE, LEGS,
SHOULDERS, AND FOREHEAD--DUN-COLOURED HORSES
MOST FREQUENTLY STRIPED-- STRIPES PROBABLY DUE TO
REVERSION TO THE PRIMITIVE STATE