Contributions to the Theory of Natural Selection: A Series of EssaysMacmillan and Company, 1875 - 384 pages |
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Page xiv
... possess Instincts ? -How Indians travel through unknown and track- less Forests Pp . 201-210 VI . - The Philosophy of Birds ' Nests . Instinct or Reason in the Construction of Birds ' Nests - Do Men build by Reason or by Imitation ...
... possess Instincts ? -How Indians travel through unknown and track- less Forests Pp . 201-210 VI . - The Philosophy of Birds ' Nests . Instinct or Reason in the Construction of Birds ' Nests - Do Men build by Reason or by Imitation ...
Page 10
... possesses generic or family groups , or even many species peculiar to itself . When a range of mountains has attained a great elevation , and has so remained during a long geolo- gical period , the species of the two sides at and near ...
... possesses generic or family groups , or even many species peculiar to itself . When a range of mountains has attained a great elevation , and has so remained during a long geolo- gical period , the species of the two sides at and near ...
Page 31
... possessing a milder , or at least a different climate , though , as these migrating birds are seldom excessively abun- dant , it is evident that the countries they visit are still deficient in a constant and abundant supply of wholesome ...
... possessing a milder , or at least a different climate , though , as these migrating birds are seldom excessively abun- dant , it is evident that the countries they visit are still deficient in a constant and abundant supply of wholesome ...
Page 47
... possess them . This great principle gives us a clue which we can follow out in the study of many recondite ph¿nomena , and leads us to seek a mean- ing and a purpose of some definite character in minuti¿ which we should be otherwise ...
... possess them . This great principle gives us a clue which we can follow out in the study of many recondite ph¿nomena , and leads us to seek a mean- ing and a purpose of some definite character in minuti¿ which we should be otherwise ...
Page 50
... possessing the white colour that best con- ceals them upon snowfields and icebergs . The polar bear is the only bear that is white , and it lives constantly among snow and ice . The arctic fox , the ermine and the alpine hare change to ...
... possessing the white colour that best con- ceals them upon snowfields and icebergs . The polar bear is the only bear that is white , and it lives constantly among snow and ice . The arctic fox , the ermine and the alpine hare change to ...
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 |
Common terms and phrases
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
Page 361 - But the passage from the physics of the brain to the corresponding facts of consciousness is unthinkable. Granted that a definite thought and a definite molecular action in the brain occur simultaneously; we do not possess the intellectual organ, nor apparently any rudiment of the organ, which would enable us to pass, by a process of reasoning, from the one to the other.
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Page 20 - Flower (WH) — AN INTRODUCTION TO THE OSTEOLOGY OF THE MAMMALIA. Being the Substance of the Course of Lectures delivered at the Royal College of Surgeons of England in 1870.
Page 368 - WILL, while we have no knowledge of any other primary cause of force, it does not seem an improbable conclusion that all force may be will-force; and thus, that the whole universe is not merely dependent on, but actually is, the WILL of higher intelligences or of one Supreme Intelligence.
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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
Page 8 - The book will doubtless find a place in the library, not only of the scientific geologist, but also of all who are desirous of the industrial progress and commercial prosperity of the Acadian provinces.