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 112
... families , families , orders , sub - classes , and classes . The several subordinate groups in any class cannot be ranked in a single file , but seem rather to be clustered round points , and these round other points , and so on in ...
... families , families , orders , sub - classes , and classes . The several subordinate groups in any class cannot be ranked in a single file , but seem rather to be clustered round points , and these round other points , and so on in ...
Page 282
... families and families , some of which are supposed to have perished at different periods , and some to have endured to the present day . By looking at the diagram we can see that if many of the extinct forms , supposed to be embedded in ...
... families and families , some of which are supposed to have perished at different periods , and some to have endured to the present day . By looking at the diagram we can see that if many of the extinct forms , supposed to be embedded in ...
Page 357
... families , constitute a distinct order from those descended from I , also broken up into two families . Nor can the existing species , descended from A , be ranked in the same genus with the parent A ; or those from I , with the parent ...
... families , constitute a distinct order from those descended from I , also broken up into two families . Nor can the existing species , descended from A , be ranked in the same genus with the parent A ; or those from I , with the parent ...
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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