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The Variation of Animals and Plants Under Domestic

* * * * *

THE VARIATION

OF

ANIMALS AND PLANTS

UNDER DOMESTICATION.

BY CHARLES DARWIN, M.A., F.R.S., &c.

IN TWO VOLUMES.--VOL. I.

WITH ILLUSTRATIONS.

LONDON:

JOHN MURRAY, ALBEMARLE STREET.

1868.

_The right of Translation is reserved._

* * * * *

BY THE SAME AUTHOR.

* * * * *

ON THE ORIGIN OF SPECIES BY MEANS OF NATURAL SELECTION; or The PRESERVATION of FAVOURED RACES in the STRUGGLE for LIFE. Fourth Edition (_Eighth Thousand_), with Additions and Corrections. 1866. ... MURRAY.

A NATURALIST'S VOYAGE ROUND THE WORLD; or, A JOURNAL OF RESEARCHES into the NATURAL HISTORY and GEOLOGY of the COUNTRIES visited during the Voyage of H.M.S. Beagle, under the Command of Capt. FITZ-ROY, R.N. _Tenth Thousand_. ... MURRAY.

ON THE STRUCTURE AND DISTRIBUTION OF CORAL REEFS. ... SMITH, ELDER, & Co.

GEOLOGICAL OBSERVATIONS ON VOLCANIC ISLANDS. ... SMITH, ELDER, & Co.

GEOLOGICAL OBSERVATIONS ON SOUTH AMERICA. ... SMITH, ELDER, & Co.

A MONOGRAPH OF THE CIRRIPEDIA. With numerous Illustrations. 2 vols. 8vo. ... HARDWICKE.

ON THE VARIOUS CONTRIVANCES BY WHICH BRITISH AND FOREIGN ORCHIDS ARE FERTILISED BY INSECTS; and on the GOOD EFFECTS of CROSSING. With numerous Woodcuts. ... MURRAY.

ON THE MOVEMENTS and HABITS of CLIMBING PLANTS. With Woodcuts. ... WILLIAMS & NORGATE.

* * * * *

LONDON: PRINTED BY WILLIAM CLOWES AND SONS, STAMFORD STREET, AND CHARING CROSS.

* * * * *

{iii}

CONTENTS OF VOLUME I.

INTRODUCTION ... Page 1

CHAPTER 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.


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