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THE VARIATION

OF

ANIMALS AND PLANTS

UNDER DOMESTICATION.

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

IN TWO VOLUMES.—Vol. II.

WITH ILLUSTRATIONS.

 

 

LONDON:

JOHN MURRAY, ALBEMARLE STREET.

1868.

The right of Translation is reserved.

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


{iii}

CONTENTS OF VOLUME II.

CHAPTER XII.

INHERITANCE.

WONDERFUL NATURE OF INHERITANCEPEDIGREES OF OUR DOMESTICATED ANIMALSINHERITANCE NOT DUE TO CHANCETRIFLING CHARACTERS INHERITEDDISEASES INHERITEDPECULIARITIES IN THE EYE INHERITEDDISEASES IN THE HORSELONGEVITY AND VIGOURASYMMETRICAL DEVIATIONS OF STRUCTUREPOLYDACTYLISM AND REGROWTH OF SUPERNUMERARY DIGITS AFTER AMPUTATIONCASES OF SEVERAL CHILDREN SIMILARLY AFFECTED FROM NON-AFFECTED PARENTSWEAK AND FLUCTUATING INHERITANCE: IN WEEPING TREES, IN DWARFNESS, COLOUR OF FRUIT AND FLOWERS, COLOUR OF HORSESNON-INHERITANCE IN CERTAIN CASESINHERITANCE OF STRUCTURE AND HABITS OVERBORNE BY HOSTILE CONDITIONS OF LIFE, BY INCESSANTLY RECURRING VARIABILITY, AND BY REVERSIONCONCLUSION ... Page 1

CHAPTER XIII.

INHERITANCE continued—REVERSION OR ATAVISM.

DIFFERENT FORMS OF REVERSIONIN PURE OR UNCROSSED BREEDS, AS IN PIGEONS, FOWLS, HORNLESS CATTLE AND SHEEP, IN CULTIVATED PLANTSREVERSION IN FERAL ANIMALS AND PLANTSREVERSION IN CROSSED VARIETIES AND SPECIESREVERSION THROUGH BUD-PROPAGATION, AND BY SEGMENTS IN THE SAME FLOWER OR FRUITIN DIFFERENT PARTS OF THE BODY IN THE SAME ANIMALTHE ACT OF CROSSING A DIRECT CAUSE OF REVERSION, VARIOUS CASES OF, WITH INSTINCTSOTHER PROXIMATE CAUSES OF REVERSIONLATENT CHARACTERSSECONDARY SEXUAL CHARACTERSUNEQUAL DEVELOPMENT OF THE TWO SIDES OF THE BODYAPPEARANCE WITH ADVANCING AGE OF CHARACTERS DERIVED FROM A CROSSTHE GERM WITH ALL ITS LATENT CHARACTERS A WONDERFUL OBJECTMONSTROSITIESPELORIC FLOWERS DUE IN SOME CASES TO REVERSION ... Page 28

CHAPTER XIV.<
...

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