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 61
... seen in passing from one quite different soil to another : not only the proportional numbers of the heath - plants were wholly changed , but twelve species of plants ( not counting grasses and carices ) flourished in the plantations ...
... seen in passing from one quite different soil to another : not only the proportional numbers of the heath - plants were wholly changed , but twelve species of plants ( not counting grasses and carices ) flourished in the plantations ...
Page 141
... seen in duns , and I have seen a trace in a bay horse . My son made a careful examination and sketch for me of a dun Belgian cart - horse with a double stripe on each shoulder and with leg - stripes ; and a man , whom I can implicitly ...
... seen in duns , and I have seen a trace in a bay horse . My son made a careful examination and sketch for me of a dun Belgian cart - horse with a double stripe on each shoulder and with leg - stripes ; and a man , whom I can implicitly ...
Page 192
... seen , carry off pupa of other species if scattered near their nests , it is possible that pupæ originally stored as food might become de- veloped ; and the ants thus unintentionally reared would then follow their proper instincts , and ...
... seen , carry off pupa of other species if scattered near their nests , it is possible that pupæ originally stored as food might become de- veloped ; and the ants thus unintentionally reared would then follow their proper instincts , and ...
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Common terms and phrases
accumulated adapted affinities allied species amount analogous ancient animals appear archipelago become bees believe birds breeds cause cells characters cirripedes climate closely allied colour common parent continuous crossed crustaceans degree difficulty distant distinct species divergence domestic doubt eggs embryo endemic Europe existing exterminated extinct extremely facts favourable fertility flower formations forms fossil Gärtner genera genus geological geological period Glacial period gradations greater number groups of species habits Hence hermaphrodites hybrids hybrids produced important increase in number individuals inhabitants inherited insects instance instincts intercrossing land larvæ less living male mammals manner migration modification modified descendants natural selection naturalists nearly nest occasionally oceanic islands offspring perfect pigeons pistil plants pollen present probably produced progenitor ranked reciprocal crosses remarked resemblance seeds sexual selection Silurian slight South America sterility structure struggle successive suppose swimbladder theory tion trees variability variations vary whole widely