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 50
... allied to other species , and in so far resemble varieties , often have much restricted ranges . For instance , Mr. H. C. Watson has marked for me in the well - sifted London Catalogue of plants ( 4th edition ) 63 plants which are ...
... allied to other species , and in so far resemble varieties , often have much restricted ranges . For instance , Mr. H. C. Watson has marked for me in the well - sifted London Catalogue of plants ( 4th edition ) 63 plants which are ...
Page 289
... allied though in some degrees modified descendants . If the inhabitants of one continent formerly differed greatly from those of another continent , so will their modified descendants still differ in nearly the same manner and degree ...
... allied though in some degrees modified descendants . If the inhabitants of one continent formerly differed greatly from those of another continent , so will their modified descendants still differ in nearly the same manner and degree ...
Page 342
... allied or repre- sentative species occur , there will likewise be found some identical species , showing , in accordance with the foregoing view , that at some former period there has been inter- communication or migration between the ...
... allied or repre- sentative species occur , there will likewise be found some identical species , showing , in accordance with the foregoing view , that at some former period there has been inter- communication or migration between the ...
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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