CHAPTER 1.VII.

FOWLS.

BRIEF DESCRIPTIONS OF THE CHIEF BREEDS--ARGUMENTS IN FAVOUR OF THEIR DESCENT FROM SEVERAL SPECIES--ARGUMENTS IN FAVOUR OF ALL THE BREEDS HAVING DESCENDED FROM GALLUS BANKIVA--REVERSION TO THE PARENT-STOCK IN COLOUR-- ANALOGOUS VARIATIONS--ANCIENT HISTORY OF THE FOWL--EXTERNAL DIFFERENCES BETWEEN THE SEVERAL BREEDS--EGGS--CHICKENS--SECONDARY SEXUAL CHARACTERS-- WING-AND TAIL-FEATHERS, VOICE, DISPOSITION, ETC.--OSTEOLOGICAL DIFFERENCES IN THE SKULL, VERTEBRAE, ETC.--EFFECTS OF USE AND DISUSE ON CERTAIN PARTS-- CORRELATION OF GROWTH.

CHAPTER 1.VIII.

DUCK--GOOSE--PEACOCK--TURKEY--GUINEA-FOWL--CANARY-BIRD--GOLD-FISH--HIVE- BEES--SILK-MOTHS.

DUCKS, SEVERAL BREEDS OF--PROGRESS OF DOMESTICATION--ORIGIN OF FROM THE COMMON WILD-DUCK--DIFFERENCES IN THE DIFFERENT BREEDS--OSTEOLOGICAL DIFFERENCES--EFFECTS OF USE AND DISUSE ON THE LIMB-BONES.

GOOSE, ANCIENTLY DOMESTICATED--LITTLE VARIATION OF--SEBASTOPOL BREED.

PEACOCK, ORIGIN OF BLACK-SHOULDERED BREED. TURKEY, BREEDS OF--CROSSED WITH THE UNITED STATES SPECIES--EFFECTS OF CLIMATE ON.

GUINEA-FOWL, CANARY-BIRD, GOLD-FISH, HIVE-BEE.

SILK-MOTHS, SPECIES AND BREEDS OF--ANCIENTLY DOMESTICATED--CARE IN THEIR SELECTION--DIFFERENCES IN THE DIFFERENT RACES--IN THE EGG, CATERPILLAR, AND COCOON STATES--INHERITANCE OF CHARACTERS--IMPERFECT WINGS--LOST INSTINCTS-- CORRELATED CHARACTERS.

CHAPTER 1.IX.

CULTIVATED PLANTS: CEREAL AND CULINARY PLANTS.

PRELIMINARY REMARKS ON THE NUMBER AND PARENTAGE OF CULTIVATED PLANTS--FIRST STEPS IN CULTIVATION--GEOGRAPHICAL DISTRIBUTION OF CULTIVATED PLANTS.

CEREALIA--DOUBTS ON THE NUMBER OF SPECIES--WHEAT: VARIETIES OF--INDIVIDUAL VARIABILITY--CHANGED HABITS--SELECTION--ANCIENT HISTORY OF THE VARIETIES-- MAIZE: GREAT VARIATION OF--DIRECT ACTION OF CLIMATE ON.

CULINARY PLANTS--CABBAGES: VARIETIES OF, IN FOLIAGE AND STEMS, BUT NOT IN OTHER PARTS--PARENTAGE OF--OTHER SPECIES OF BRASSICA--PEAS: AMOUNT OF DIFFERENCE IN THE SEVERAL KINDS, CHIEFLY IN THE PODS AND SEED--SOME VARIETIES CONSTANT, SOME HIGHLY VARIABLE--DO NOT INTERCROSS--BEANS-- POTATOES: NUMEROUS VARIETIES OF--DIFFER LITTLE EXCEPT IN THE TUBERS-- CHARACTERS INHERITED.

CHAPTER 1.X.

PLANTS continued--FRUITS--ORNAMENTAL TREES--FLOWERS.

FRUITS--GRAPES--VARY IN ODD AND TRIFLING PARTICULARS--MULBERRY--THE ORANGE GROUP--SINGULAR RESULTS FROM CROSSING--PEACH AND NECTARINE--BUD-VARIATION-- ANALOGOUS VARIATION--RELATION TO THE ALMOND--APRICOT--PLUMS--VARIATION IN THEIR STONES--CHERRIES--SINGULAR VARIETIES OF--APPLE--PEAR--STRAWBERRY-- INTERBLENDING OF THE ORIGINAL FORMS--GOOSEBERRY--STEADY INCREASE IN SIZE OF THE FRUIT--VARIETIES OF--WALNUT--NUT--CUCURBITACEOUS PLANTS--WONDERFUL VARIATION OF.

ORNAMENTAL TREES--THEIR VARIATION IN DEGREE AND KIND--ASH-TREE--SCOTCH-FIR- -HAWTHORN.

FLOWERS--MULTIPLE ORIGIN OF MANY KINDS--VARIATION IN CONSTITUTIONAL PECULIARITIES--KIND OF VARIATION--ROSES--SEVERAL SPECIES CULTIVATED--PANSY- -DAHLIA--HYACINTH--HISTORY AND VARIATION OF.

CHAPTER 1.XI.

ON BUD-VARIATION, AND ON CERTAIN ANOMALOUS MODES OF REPRODUCTION AND VARIATION.

BUD-VARIATION IN THE PEACH, PLUM, CHERRY, VINE, GOOSEBERRY, CURRANT, AND BANANA, AS SHOWN BY THE MODIFIED FRUIT--IN FLOWERS: CAMELLIAS, AZALEAS, CHRYSANTHEMUMS, ROSES, ETC.--ON THE RUNNING OF THE COLOUR IN CARNATIONS --BUD-VARIATIONS IN LEAVES--VARIATIONS BY SUCKERS, TUBERS, AND BULBS--ON THE BREAKING OF TULIPS--BUD-VARIATIONS GRADUATE INTO CHANGES CONSEQUENT ON CHANGED CONDITIONS OF LIFE--GRAFT-HYBRIDS--ON THE SEGREGATION OF THE PARENTAL CHARACTERS IN SEMINAL HYBRIDS BY BUD-VARIATION--ON THE DIRECT OR IMMEDIATE ACTION OF FOREIGN POLLEN ON THE MOTHER-PLANT--ON THE EFFECTS OF A PREVIOUS IMPREGNATION ON THE SUBSEQUENT OFFSPRING OF FEMALE ANIMALS-- CONCLUSION AND SUMMARY.

CHAPTER 1.XII.

INHERITANCE.

WONDERFUL NATURE OF INHERITANCE--PEDIGREES OF OUR DOMESTICATED ANIMALS-- INHERITANCE NOT DUE TO CHANCE--TRIFLING CHARACTERS INHERITED--DISEASES INHERITED--PECULIARITIES IN THE EYE INHERITED--DISEASES IN THE HORSE-- LONGEVITY AND VIGOUR--ASYMMETRICAL DEVIATIONS OF STRUCTURE--POLYDACTYLISM AND REGROWTH OF SUPERNUMERARY DIGITS AFTER AMPUTATION--CASES OF SEVERAL CHILDREN SIMILARLY AFFECTED FROM NON-AFFECTED PARENTS--WEAK AND FLUCTUATING INHERITANCE: IN WEEPING TREES, IN DWARFNESS, COLOUR OF FRUIT AND FLOWERS-- COLOUR OF HORSES--NON-INHERITANCE IN CERTAIN CASES--INHERITANCE OF STRUCTURE AND HABITS OVERBORNE BY HOSTILE CONDITIONS OF LIFE, BY INCESSANTLY RECURRING VARIABILITY, AND BY REVERSION--CONCLUSION.

The Variation of Animals and Plants Under Domestication V1 Page 03

19th Century English Literature

Charles Darwin

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Charles Darwin

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