The Origin of Species by Means of Natural Selection: Or, The Preservation of Favoured Races in the Struggle for Life, Volume 1 |
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Page v
... genera in each country vary more fre- quently than the species of the smaller genera - Many of the species of the larger genera resemble varieties in being very closely , but unequally , related to each other , and in having restricted ...
... genera in each country vary more fre- quently than the species of the smaller genera - Many of the species of the larger genera resemble varieties in being very closely , but unequally , related to each other , and in having restricted ...
Page 6
... genera are lineal descendants of some other and generally extinct species , in the same manner as the acknowledged varieties of any one species are the de- scendants of that species . Furthermore , I am convinced that Natural Selection ...
... genera are lineal descendants of some other and generally extinct species , in the same manner as the acknowledged varieties of any one species are the de- scendants of that species . Furthermore , I am convinced that Natural Selection ...
Page 19
... genera originate under nature , it will be seen that we have no right to expect often to find a generic amount of difference in our domesticated races . In attempting to estimate the amount of structural difference between allied ...
... genera originate under nature , it will be seen that we have no right to expect often to find a generic amount of difference in our domesticated races . In attempting to estimate the amount of structural difference between allied ...
Page 49
... genera . Isidore Geoffroy St. Hilaire has proved this in regard to size , and so it is with colour and probably with the length of hair . With respect to fleetness , which depends on many bodily characters , Eclipse was far fleeter ...
... genera . Isidore Geoffroy St. Hilaire has proved this in regard to size , and so it is with colour and probably with the length of hair . With respect to fleetness , which depends on many bodily characters , Eclipse was far fleeter ...
Page 51
... genera - Many of the species of the larger genera resemble varieties in being very closely , but un- equally , related to each other , and in having restricted ranges . BEFORE applying the principles arrived at in the last chapter to ...
... genera - Many of the species of the larger genera resemble varieties in being very closely , but un- equally , related to each other , and in having restricted ranges . BEFORE applying the principles arrived at in the last chapter to ...
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Common terms and phrases
adapted advantage allied analogous animals and plants appear Asa Gray beak become bees believe birds breeds caudicle cause cells characters climate closely colour common crossed cuckoo degree developed difficulty distinct species disuse divergence domestic animals domestic races doubt effects eggs existence extinct extremely facts favourable females flowers forms Fritz Müller genera genus giraffe gradations greater number groups habits Hence hermaphrodites hive-bee important improved increase in number individual differences inhabitants inherited insects instance instincts intercrossing intermediate kind lamellæ large number larger genera larvæ less likewise males manner Melipona Mivart natural selection naturalists nearly nest occasionally offspring organisation organs origin Origin of Species perfect period pigeons pollen pollen-grains present preserved principle probably produced progenitor quadrupeds rank Red Grouse relation remarked resemble rock-pigeon seeds sexes sexual sexual selection slight stamens structure struggle supposed swimbladder tend tendency tion transitional tree variability variations varieties vary widely wings young