Contributions to the Theory of Natural Selection: A Series of EssaysMacmillan and Company, 1875 - 384 pages |
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Page 2
... complete ; after a certain interval not a single species existing which had lived at the commence- ment of the period . This complete renewal of the forms of life also appears to have occurred several times - That from the last of the ...
... complete ; after a certain interval not a single species existing which had lived at the commence- ment of the period . This complete renewal of the forms of life also appears to have occurred several times - That from the last of the ...
Page 14
... complete solution of it . High Organization of very ancient Animals consistent with this Law . Much discussion has of late years taken place on the question , whether the succession of life upon the globe has been from a lower to a ...
... complete solution of it . High Organization of very ancient Animals consistent with this Law . Much discussion has of late years taken place on the question , whether the succession of life upon the globe has been from a lower to a ...
Page 20
... complete changes of species ; new sets of organisms have many times been introduced in place of old ones which have become extinct , so that the total amount which have existed . on the earth from the earliest geological period must ...
... complete changes of species ; new sets of organisms have many times been introduced in place of old ones which have become extinct , so that the total amount which have existed . on the earth from the earliest geological period must ...
Page 23
... complete series of jointed finger - bones in the paddle of the Manatus and whale , are a few of the most familiar instances . In botany a similar class of facts has been long re- cognised . Abortive stamens , rudimentary floral en ...
... complete series of jointed finger - bones in the paddle of the Manatus and whale , are a few of the most familiar instances . In botany a similar class of facts has been long re- cognised . Abortive stamens , rudimentary floral en ...
Page 24
... complete series - * The theory of Natural Selection has now taught us that these are not the steps by which limbs have been formed ; and that most rudimentary organs have been produced by abortion , owing to disuse , as explained by Mr ...
... complete series - * The theory of Natural Selection has now taught us that these are not the steps by which limbs have been formed ; and that most rudimentary organs have been produced by abortion , owing to disuse , as explained by Mr ...
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 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 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.
Page 1 - With the Mathematical Elements of Music. Designed for the Use of Students in the University. Second Edition, Revised and Enlarged. Crown 8vo. gs. A TREATISE OF MAGNETISM. Designed for the Use of Students in the University.
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Page 8 - World : a Simple Account of Man in Early Times. Sixth Edition. Crown 8vo. Cloth, price 3$. A Special Edition for Schools. Price is. The Childhood of Religions.
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.