The Origin of Species by Means of Natural Selection: Or the Preservation of Favored Races in the Struggle for Life |
From inside the book
Results 1-5 of 100
Page vi
... genus - The relation of organism to organism the most important of all relations . • Page 75 CHAPTER IV . NATURAL SELECTION ; OR THE SURVIVAL OF THE FITTEST . Natural Selection - its power compared with man's selection - its power on ...
... genus - The relation of organism to organism the most important of all relations . • Page 75 CHAPTER IV . NATURAL SELECTION ; OR THE SURVIVAL OF THE FITTEST . Natural Selection - its power compared with man's selection - its power on ...
Page vii
... genus vary in an analogous manner - Reversions to long - lost characters - Summary Page 164 · CHAPTER VI . DIFFICULTIES OF THE THEORY . Difficulties of the theory of descent with modification - Absence or rarity of transitional ...
... genus vary in an analogous manner - Reversions to long - lost characters - Summary Page 164 · CHAPTER VI . DIFFICULTIES OF THE THEORY . Difficulties of the theory of descent with modification - Absence or rarity of transitional ...
Page xviii
... genus . " In 1843-44 Professor Haldeman ( ' Boston Journal of Nat . Hist . U. States , ' vol . iv . p . 468 ) has ably given the arguments for and against the hypothesis of the develop- ment and modification of species : he seems to ...
... genus . " In 1843-44 Professor Haldeman ( ' Boston Journal of Nat . Hist . U. States , ' vol . iv . p . 468 ) has ably given the arguments for and against the hypothesis of the develop- ment and modification of species : he seems to ...
Page 18
... genus , in several trifling respects , they often differ in an extreme degree in some one part , both when compared one with another , and more especially when compared with the species under nature to which they are nearest allied ...
... genus , in several trifling respects , they often differ in an extreme degree in some one part , both when compared one with another , and more especially when compared with the species under nature to which they are nearest allied ...
Page 49
... genus . So with plants , the seeds of the different varie- ties of the bean or maize probably differ more in size , than do the seeds of the distinct species in any one genus in the same two families . The same remark holds good in ...
... genus . So with plants , the seeds of the different varie- ties of the bean or maize probably differ more in size , than do the seeds of the distinct species in any one genus in the same two families . The same remark holds good in ...
Other editions - View all
Common terms and phrases
adapted affinities allied species America ancient appear Asa Gray beak become bees believe belonging birds breeds cause cells characters climate closely allied colour common continent crossed crustaceans degree developed difficulty distinct species domestic doubt effects eggs embryo existing extinct extremely facts favourable fertilised fertility flowers formation forms fossil Fritz Müller genera genus geological geological period Glacial period gradations greater number groups of species habits Hence hybrids important individuals inhabitants inherited insects instance instincts intercrossing intermediate kind lamellę larvę less living males mammals manner marsupials migration modified descendants natural selection naturalists nearly nest occasionally offspring organisation organs parent peculiar perfect pigeon pistil pollen present principle probably produced progenitor quadrupeds ranked remarked resemblance rudimentary seeds sexual selection Silurian slight South America stamens sterility structure successive supposed swimbladder tend theory tion trees variability variations varieties vary whilst whole wings young