Contributions to the Theory of Natural Selection: A Series of EssaysMacmillan and Company, 1870 - 384 pages |
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Page 21
... varied in different latitudes and longitudes as at present . What proportion do the Silurian dis- tricts bear to the whole surface of the globe , land and sea ( for far more extensive Silurian districts probably exist beneath the ocean ...
... varied in different latitudes and longitudes as at present . What proportion do the Silurian dis- tricts bear to the whole surface of the globe , land and sea ( for far more extensive Silurian districts probably exist beneath the ocean ...
Page 46
... varied analogies and affinities which it brought to light and made use of . The series of Natural His- tory volumes in " Lardner's Cabinet Cyclopædia , " in which Mr. Swainson developed it in most de- partments of the animal kingdom ...
... varied analogies and affinities which it brought to light and made use of . The series of Natural His- tory volumes in " Lardner's Cabinet Cyclopædia , " in which Mr. Swainson developed it in most de- partments of the animal kingdom ...
Page 48
... varied phases of the phænomena , and to be contradicted by many well - known facts . For example , wild rabbits are always of grey or brown tints well suited for conceal- ment among grass and fern . But when these rabbits are ...
... varied phases of the phænomena , and to be contradicted by many well - known facts . For example , wild rabbits are always of grey or brown tints well suited for conceal- ment among grass and fern . But when these rabbits are ...
Page 56
... varied , yet blend so completely with the usual colours of the bark , that at two or three feet distance they are quite undistinguishable . In some cases a species is known to frequent only one species of tree . This is the case with ...
... varied , yet blend so completely with the usual colours of the bark , that at two or three feet distance they are quite undistinguishable . In some cases a species is known to frequent only one species of tree . This is the case with ...
Page 69
... varied habits and instincts are in every case adapted to the conditions of their existence . The porcupine and the hedgehog have a defensive armour that saves them from the attacks of most animals . The tortoise is not injured by the ...
... varied habits and instincts are in every case adapted to the conditions of their existence . The porcupine and the hedgehog have a defensive armour that saves them from the attacks of most animals . The tortoise is not injured by the ...
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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