Contributions to the Theory of Natural Selection: A Series of EssaysMacmillan and Company, 1875 - 384 pages |
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Page xv
... Beauty in Nature - How new Forms are produced by Varia- tion and Selection - The Objection that there are Limits to Variation -Objection to the argument from Classification - The Times on Natural Selection - Intermediate or generalized ...
... Beauty in Nature - How new Forms are produced by Varia- tion and Selection - The Objection that there are Limits to Variation -Objection to the argument from Classification - The Times on Natural Selection - Intermediate or generalized ...
Page 127
... beauty of flowers to the necessity of attracting insects to aid in their fertilisation , and that much of the develop- ment of colour in the animal world is due to " sexual selection , " colour being universally attractive , and thus ...
... beauty of flowers to the necessity of attracting insects to aid in their fertilisation , and that much of the develop- ment of colour in the animal world is due to " sexual selection , " colour being universally attractive , and thus ...
Page 131
... beauty and endless diversity have led to their having been assiduously collected in all parts of the world , and to the numerous species and varieties having been figured in a series of magnificent works , from those of Cramer , the ...
... beauty and endless diversity have led to their having been assiduously collected in all parts of the world , and to the numerous species and varieties having been figured in a series of magnificent works , from those of Cramer , the ...
Page 135
... beauty , and general structure of the perfect insects have been generally thought to deserve . In Mr. Trimen's paper on " Mimetic Analogies among African Butterflies , " in the Transactions of the ILLUSTRATIVE OF NATURAL SELECTION . 135.
... beauty , and general structure of the perfect insects have been generally thought to deserve . In Mr. Trimen's paper on " Mimetic Analogies among African Butterflies , " in the Transactions of the ILLUSTRATIVE OF NATURAL SELECTION . 135.
Page 137
... beauty of their forms , and the ease and rapidity of their motions ; 2nd . The Parrots , whose feet , though ill - fitted for walking , are perfect as prehensile organs , and which possess large brains with great intelligence , though ...
... beauty of their forms , and the ease and rapidity of their motions ; 2nd . The Parrots , whose feet , though ill - fitted for walking , are perfect as prehensile organs , and which possess large brains with great intelligence , though ...
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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 antennæ 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 Danaidæ Darwin Diphilus distinct earth Edition eggs epoch essay exactly example existence explained extinct facts faculties favourable flowers genera genus geological geological periods groups habits Heliconidæ Illustrations imitation India individuals inhabiting insects instinct islands Java larvæ 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 Papilionidæ 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 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.