Contributions to the Theory of Natural Selection: A Series of EssaysMacmillan and Company, 1875 - 384 pages |
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Page 55
... flower gardens of an Eastern coral reef the fishes present every variety of gorgeous colour , while the river fish even of the tropics rarely if ever have gay or conspicuous markings . A very curious case of this kind of ad- aptation ...
... flower gardens of an Eastern coral reef the fishes present every variety of gorgeous colour , while the river fish even of the tropics rarely if ever have gay or conspicuous markings . A very curious case of this kind of ad- aptation ...
Page 59
... flower heads of an umbelliferous plant , and that when observed in this position the beau- tiful green and white mottling of the under surface completely assimilates with the flower heads and ren- ders the creature very difficult to be ...
... flower heads of an umbelliferous plant , and that when observed in this position the beau- tiful green and white mottling of the under surface completely assimilates with the flower heads and ren- ders the creature very difficult to be ...
Page 60
... insect did not accord with it . If the butterfly sat upon leaves or upon flowers , or opened its wings so as to expose the upper surface , or exposed and moved its head and antennæ as many other 60 MIMICRY , AND OTHER PROTECTIVE.
... insect did not accord with it . If the butterfly sat upon leaves or upon flowers , or opened its wings so as to expose the upper surface , or exposed and moved its head and antennæ as many other 60 MIMICRY , AND OTHER PROTECTIVE.
Page 61
... flower or a green leaf , but were many times lost sight of in a bush or tree of dead leaves . On such oc- casions they were generally searched for in vain , for while gazing intently at the very spot where one had disappeared , it would ...
... flower or a green leaf , but were many times lost sight of in a bush or tree of dead leaves . On such oc- casions they were generally searched for in vain , for while gazing intently at the very spot where one had disappeared , it would ...
Page 63
... flowers and flower - buds of the same plant . The whole order of Orthoptera , grasshoppers , locusts , crickets , & c . , are protected by their colours harmoniz- ing with that of the vegetation or the soil on which they live , and in ...
... flowers and flower - buds of the same plant . The whole order of Orthoptera , grasshoppers , locusts , crickets , & c . , are protected by their colours harmoniz- ing with that of the vegetation or the soil on which they live , and in ...
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 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 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.