On the Origin of Species by Means of Natural Selection, Or, The Preservation of Favoured Races in the Struggle for Life |
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Page xiv
... instance of the manner in which similar views arise at about the same period , that Goethe in Germany , Dr. Darwin in England , and Geoffroy Saint Hilaire ( as we shall immediately see ) in France , came to the same conclu- sion on the ...
... instance of the manner in which similar views arise at about the same period , that Goethe in Germany , Dr. Darwin in England , and Geoffroy Saint Hilaire ( as we shall immediately see ) in France , came to the same conclu- sion on the ...
Page 9
... instances ) , yet having their reproductive system so seriously affected by unperceived causes as to fail in acting , we ... instance , the rabbit and ferret kept in hutches ) , showing that their repro- ductive system has not been thus ...
... instances ) , yet having their reproductive system so seriously affected by unperceived causes as to fail in acting , we ... instance , the rabbit and ferret kept in hutches ) , showing that their repro- ductive system has not been thus ...
Page 11
... instance , I find in the domestic duck that the bones of the wing weigh less and the bones of the leg more , in proportion to the whole skeleton , than do the same bones in the wild - duck ; and I presume that this change may be safely ...
... instance , I find in the domestic duck that the bones of the wing weigh less and the bones of the leg more , in proportion to the whole skeleton , than do the same bones in the wild - duck ; and I presume that this change may be safely ...
Page 15
... instance , of the cabbage , in very poor soil ( in which case , however , some effect would have to be attributed to the direct action of the poor soil ) , that they would to a large extent , or even wholly , revert to the wild ...
... instance , of the cabbage , in very poor soil ( in which case , however , some effect would have to be attributed to the direct action of the poor soil ) , that they would to a large extent , or even wholly , revert to the wild ...
Page 17
... instance , it could be shown that the greyhound , bloodhound , terrier , spaniel , and bull - dog , which we all know propagate their kind so truly , were the offspring of any single species , then such facts would have great weight in ...
... instance , it could be shown that the greyhound , bloodhound , terrier , spaniel , and bull - dog , which we all know propagate their kind so truly , were the offspring of any single species , then such facts would have great weight in ...
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Common terms and phrases
accumulated adapted affinities allied species America amount analogous ancient animals appear Asa Gray become bees believe birds breeds cause cells characters cirripedes climate closely allied colour continuous crossed crustaceans degree difficulty distinct species divergence domestic doubt embryo Europe existing exterminated extinct extremely facts favourable fertility flowers formations forms fossil Gärtner genera genus geological geological period Glacial period gradations greater number groups of species habits Hence hybrids hybrids produced important individuals inhabitants inherited insects instance instincts intercrossing intermediate land larvæ laws less living male mammals manner Marsupials migration modification modified descendants mongrels natural selection naturalists nearly nest occasionally offspring organisation origin of species perfect pigeons plants pollen present principle probably produced progenitor racter ranked reciprocal crosses remarked resemble rudimentary organs seeds Silurian slight South America sterility structure struggle successive supposed tend theory tion variability variations varieties vary whole widely