On the Origin of Species by Means of Natural Selection: Or the Preservation of Favored Races in the Struggle for Life1859 |
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Page 10
... probably have varied in the same manner . To judge how much , in the case of any variation , we should attribute to the direct action of heat , moisture , light , food , & c . , is most difficult : my impression is , that with animals ...
... probably have varied in the same manner . To judge how much , in the case of any variation , we should attribute to the direct action of heat , moisture , light , food , & c . , is most difficult : my impression is , that with animals ...
Page 15
... probably do occur ; but natural selection , as will hereafter be explained , will determine how far the new characters thus arising shall be preserved . When we look to the hereditary varieties or races of our domestic animals and ...
... probably do occur ; but natural selection , as will hereafter be explained , will determine how far the new characters thus arising shall be preserved . When we look to the hereditary varieties or races of our domestic animals and ...
Page 19
... probably de- scended from several wild species , I cannot doubt that there has been an immense amount of inherited varia- tion . Who can believe that animals closely resembling the Italian greyhound , the bloodhound , the bull - dog ...
... probably de- scended from several wild species , I cannot doubt that there has been an immense amount of inherited varia- tion . Who can believe that animals closely resembling the Italian greyhound , the bloodhound , the bull - dog ...
Page 30
... probably arisen suddenly , or by one step ; many botanists , for instance , believe that the fuller's teazle , with its hooks , which cannot be rivalled by any mechanical contrivance , is only a variety of the wild Dipsacus ; and this ...
... probably arisen suddenly , or by one step ; many botanists , for instance , believe that the fuller's teazle , with its hooks , which cannot be rivalled by any mechanical contrivance , is only a variety of the wild Dipsacus ; and this ...
Page 31
... probably better acquainted with the works of agriculturists than almost any other individual , and who was himself a very good judge of an animal , speaks of the principle of selection as " that which enables the agriculturist , not ...
... probably better acquainted with the works of agriculturists than almost any other individual , and who was himself a very good judge of an animal , speaks of the principle of selection as " that which enables the agriculturist , not ...
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Common terms and phrases
adapted affinities allied species America amount analogous ancient animals become bees believe birds breeds cause cells characters cirripedes climate closely allied colour common parent continuous crossed crustaceans degree difficulty distinct species divergence domestic doubt embryo Europe existing exterminated extinct extremely facts favourable Fcap fertility flowers formations forms fossil Gärtner genera genus geological geological period Glacial period gradations greater number groups of species habits Hence hermaphrodites History hybrids hybrids produced important individuals inhabitants inherited insects instance instincts intercrossing intermediate land larvæ less living male mammals manner migration modification modified descendants natural selection naturalists nearly nest offspring perfect pigeons plants pollen Post 8vo present principle probably produced progenitor racters ranked reciprocal crosses remarked resemble Second Edition seeds sexual selection Silurian slight South America sterility structure struggle successive suppose theory Third Edition tion variability variation varieties vary Vols whole widely Woodcuts