Contributions to the Theory of Natural Selection: A Series of EssaysMacmillan and Company, 1875 - 384 pages |
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Page vi
... Phenomena of Variation and Geo- graphical Distribution , as illustrated by the Papilionidæ of the Malayan Region . " The introductory part of this essay is now reprinted , omitting tables , references to plates , & c . , with some ad ...
... Phenomena of Variation and Geo- graphical Distribution , as illustrated by the Papilionidæ of the Malayan Region . " The introductory part of this essay is now reprinted , omitting tables , references to plates , & c . , with some ad ...
Page 56
... phenomena we shall presently have to discuss . It seems to be in pro- portion to their sluggish motions or the absence of other means of defence , that insects possess the pro- tective colouring . In the tropics there are thousands of ...
... phenomena we shall presently have to discuss . It seems to be in pro- portion to their sluggish motions or the absence of other means of defence , that insects possess the pro- tective colouring . In the tropics there are thousands of ...
Page 69
... phenomena of " mimicry , " which it is the special object of this paper to illustrate and explain . The slightest observation of the life of animals will show us , that they escape from their enemies and obtain their food in an infinite ...
... phenomena of " mimicry , " which it is the special object of this paper to illustrate and explain . The slightest observation of the life of animals will show us , that they escape from their enemies and obtain their food in an infinite ...
Page 74
... phenomena of what has been termed " mimicry . " It is to be par- ticularly observed , however , that the word is not here used in the sense of voluntary imitation , but to imply a particular kind of resemblance - a resemblance not in ...
... phenomena of what has been termed " mimicry . " It is to be par- ticularly observed , however , that the word is not here used in the sense of voluntary imitation , but to imply a particular kind of resemblance - a resemblance not in ...
Page 76
... phenomena , moreover , have been shown to follow certain definite laws , which again all indicate their dependence on the more general law of the " survival of the fittest , " or " the preservation of favoured races in the struggle for ...
... phenomena , moreover , have been shown to follow certain definite laws , which again all indicate their dependence on the more general law of the " survival of the fittest , " or " the preservation of favoured races in the struggle for ...
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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.
Page 4 - AN ELEMENTARY TREATISE ON THE LUNAR THEORY, with a Brief Sketch of the Problem up to the time of Newton. Second Edition, revised. Crown 8vo. cloth. 5*. 6d. Hemming. — AN ELEMENTARY TREATISE ON THE DIFFERENTIAL AND INTEGRAL CALCULUS, for the Use; of Colleges and Schools.
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.
Page 4 - HEMMING— AN ELEMENTARY TREATISE ON THE DIFFERENTIAL AND INTEGRAL CALCULUS, for the Use of Colleges and Schools. By GW HEMMING, MA, Fellow of St. John's College, Cambridge. Second Edition, with Corrections and Additions. 8vo.
Page 4 - JACKSON — GEOMETRICAL CONIC SECTIONS. An Elementary Treatise in which the Conic Sections are defined as the Plane Sections of a Cone, and treated by the Method of Projection. By J. STUART JACKSON, MA, late Fellow of Gonville and Caius College, Cambridge.
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.