Contributions to the Theory of Natural Selection: A Series of EssaysMacmillan and Company, 1870 - 384 pages |
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Page vi
... VARIETIES TO DEPART INDEFINITELY FROM THE ORIGINAL TYPE . First published in the " Journal of the Proceedings of the Linnæan Society , " August , 1858. Reprinted without alteration of the text , except one or two grammatical emendations ...
... VARIETIES TO DEPART INDEFINITELY FROM THE ORIGINAL TYPE . First published in the " Journal of the Proceedings of the Linnæan Society , " August , 1858. Reprinted without alteration of the text , except one or two grammatical emendations ...
Page xiii
... Varieties to depart indefinitely from the Original Type . Instability of Varieties supposed to prove the permanent distinctness of Species - The Struggle for Existence - The Law of Population of Species - The Abundance or Rarity of a ...
... Varieties to depart indefinitely from the Original Type . Instability of Varieties supposed to prove the permanent distinctness of Species - The Struggle for Existence - The Law of Population of Species - The Abundance or Rarity of a ...
Page 25
... otherwise , but are almost as necessary deduc- tions from it , as are the elliptic orbits of the planets from the law of gravitation . 26 II . ON THE TENDENCY OF VARIETIES ΤΟ DEPART THE INTRODUCTION OF NEW SPECIES . 25.
... otherwise , but are almost as necessary deduc- tions from it , as are the elliptic orbits of the planets from the law of gravitation . 26 II . ON THE TENDENCY OF VARIETIES ΤΟ DEPART THE INTRODUCTION OF NEW SPECIES . 25.
Page 26
... Varieties supposed to prove the permanent distinctness of Species . ONE of the strongest arguments which have been ad- duced to prove the original and permanent distinct- ness of species is , that varieties produced in a state of ...
... Varieties supposed to prove the permanent distinctness of Species . ONE of the strongest arguments which have been ad- duced to prove the original and permanent distinct- ness of species is , that varieties produced in a state of ...
Page 27
... varieties , " - races of animals which continually propagate their like , but which differ so slightly ( although constantly ) from some other race , that the one is considered to be a variety of the other . Which is the variety and ...
... varieties , " - races of animals which continually propagate their like , but which differ so slightly ( although constantly ) from some other race , that the one is considered to be a variety of the other . Which is the variety and ...
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 action adapted alike Amboyna animals antennæ appear beautiful become bees beetles birds Borneo brain brilliant build butterflies caterpillars causes Celebes changes character closely allied species colour concealed conspicuous Crown 8vo curious Darwin Diphilus distinct Edition eggs essay evidence exactly existence external extinct Extra fcap facts faculties favourable Fcap flowers genera genus geological groups Guinea habits Heliconidæ imitation India individuals inhabiting insects instinct islands Java larvæ Lepidoptera less Malayan male Mimeta mimic mimicry mode modified Moluccas moths natural selection nectary nest never nidification number of species observations occur organic Origin of Species Ormenus Pammon Papilio Papilio Ulysses Papilionidæ peculiar perfect period phenomena POEMS Polydorus possess present probably produced protection race regions remarkable render resemble savage sexes sexual sexual selection shown structure Sumatra tail theory of natural Theseus tints tion trees tropical variation varied varieties whole wings
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