قراءة كتاب Are the Effects of Use and Disuse Inherited? An Examination of the View Held by Spencer and Darwin

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Are the Effects of Use and Disuse Inherited?
An Examination of the View Held by Spencer and Darwin

Are the Effects of Use and Disuse Inherited? An Examination of the View Held by Spencer and Darwin

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دار النشر: Project Gutenberg
الصفحة رقم: 2

class="td3">Individual and Transmissible Type not Modified Alike

40 DARWIN'S EXAMPLES 45-100 Reduced Wings of Birds of Oceanic Islands 49 Drooping Ears and Deteriorated Instincts 53 Wings and Legs of Ducks and Fowls 55 Pigeons' Wings 62 Shortened Breast-Bone in Pigeons 64 Shortened Feet in Pigeons 70 Shortened Legs of Rabbits 70 Blind Cave-Animals 72 Inherited Habits 73 Tameness of Rabbits 76 Modifications Obviously Attributable to Selection 82 Similar Effects of Natural Selection and Use-Inheritance 83 Inferiority of Senses in Europeans 85 Short-Sight in Watchmakers and Engravers 85 Larger Hands of Labourers' Infants 87 Thickened Sole in Infants 88 A Source of Mental Confusion 91 Weakness of Use-Inheritance 94 INHERITED INJURIES 101-118 Inherited Mutilations 101 The Motmot's Tail 110 Other Inherited Injuries Mentioned by Darwin 111 Quasi-Inheritance 116 MISCELLANEOUS CONSIDERATIONS 119-143 True Relation of Parents and Offspring 119 Inverse Inheritance 123 Early Origin of the Ova 124 Marked Effects of Use and Disuse on the Individual 126 Would Natural Selection Favour Use-Inheritance? 127 Use-Inheritance an Evil 128 Varied Effects of Use and Disuse 134 Use-Inheritance Implies Pangenesis 137 Pangenesis Improbable

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