Contributions to the Theory of Natural Selection: A Series of EssaysMacmillan and Company, 1875 - 384 pages |
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Page x
... imitation . 224 Levaillant , on mode of nest - building . 229 On imperfect adaptation in birds ' nests . VII - A Theory of Birds ' Nests . 231 , 232. Introductory passages modified , with some omissions . 233 How modifications of ...
... imitation . 224 Levaillant , on mode of nest - building . 229 On imperfect adaptation in birds ' nests . VII - A Theory of Birds ' Nests . 231 , 232. Introductory passages modified , with some omissions . 233 How modifications of ...
Page xiv
... Imitation ? -- Why does each Bird build a peculiar kind of Nest ? -How do young Birds learn to build their first Nest ? Do Birds sing by Instinct or by Imitation ? -Man's Works mainly Imitative - Birds do Alter and Improve their Nests ...
... Imitation ? -- Why does each Bird build a peculiar kind of Nest ? -How do young Birds learn to build their first Nest ? Do Birds sing by Instinct or by Imitation ? -Man's Works mainly Imitative - Birds do Alter and Improve their Nests ...
Page 60
... imitation of the venation of a leaf . We come now to a still more extraordinary part of the imitation , for we find re- presentations of leaves in every stage of decay , variously blotched and mildewed and pierced with holes , and in ...
... imitation of the venation of a leaf . We come now to a still more extraordinary part of the imitation , for we find re- presentations of leaves in every stage of decay , variously blotched and mildewed and pierced with holes , and in ...
Page 64
... imitate that of a leaf . This is carried to the furthest possible extent in the wonder- ful genus , Phyllium , the " walking leaf , " in which not only are the wings perfect imitations of leaves in every detail , but the thorax and legs ...
... imitate that of a leaf . This is carried to the furthest possible extent in the wonder- ful genus , Phyllium , the " walking leaf , " in which not only are the wings perfect imitations of leaves in every detail , but the thorax and legs ...
Page 72
... imitation . The stinging Hymenoptera , wasps , bees , and hornets , are , as a rule , very showy and brilliant insects , and there is not a single instance recorded in which any one of them is coloured so as to resemble a vegetable or ...
... imitation . The stinging Hymenoptera , wasps , bees , and hornets , are , as a rule , very showy and brilliant insects , and there is not a single instance recorded in which any one of them is coloured so as to resemble a vegetable or ...
Other editions - View all
Contributions to the Theory of Natural Selection: A Series of Essays ... Alfred Russel Wallace No preview available - 2018 |
Contributions to the Theory of Natural Selection: A Series of Essays Alfred Russel Wallace No preview available - 2016 |
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abundant adapted affinity animals antenn¿ antitypes appear beauty become beetles believe birds Borneo brain build butterflies caterpillars causes Celebes changes character closely allied species colour concealed conspicuous Crown 8vo curious Danaid¿ Darwin Diphilus distinct earth Edition eggs epoch essay exactly example existence explained extinct facts faculties favourable flowers genera genus geological geological periods groups habits Heliconid¿ Illustrations imitation India individuals inhabiting insects instinct islands Java larv¿ Lepidoptera less Malayan male mimic mimicry mode modifications Moluccas moths natural selection nectary nest never nidification number of species observations occur Origin of Species Ormenus Pammon Papilio Papilio Ulysses Papilionid¿ peculiar period phenomena physical Polydorus possess present probably produced Professor protection race regions remarkable render resemble savage Science sexes sexual selection shown structure Sumatra tail theory of natural Theseus tints tion TREATISE trees tropical University variation varied varieties whole wings
Popular passages
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Page 326 - natural selection' himself, but he is actually able to take away some of that power from nature which, before his appearance, she universally exercised. We can anticipate the time when the earth will produce only cultivated plants and domestic animals ; when man's selection shall have supplanted
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