On the Origin of Species by Means of Natural Selection: Or, The Preservation of Favoured Races in the Struggle for LifeThis is the 'second edition' of Darwin's Origin of Species. |
From inside the book
Results 1-5 of 100
Page xii
... manner are highly variable : specific characters more variable than generic : secondary sexual characters variable — Species of the same genus vary in an analogous manner - Reversions to long - lost characters - Summary 131-170 .. .. ON ...
... manner are highly variable : specific characters more variable than generic : secondary sexual characters variable — Species of the same genus vary in an analogous manner - Reversions to long - lost characters - Summary 131-170 .. .. ON ...
Page 5
... manner profitable to itself , under the complex and sometimes varying conditions of life , will have a better chance of surviving , and thus be naturally selected . From the strong principle of inheritance , any selected variety will ...
... manner profitable to itself , under the complex and sometimes varying conditions of life , will have a better chance of surviving , and thus be naturally selected . From the strong principle of inheritance , any selected variety will ...
Page 6
... manner as the acknowledged varieties of any one species are the descendants of that species . Furthermore , I am con- vinced that Natural Selection has been the main but not exclusive means of modification . CHAPTER I. VARIATION UNDER ...
... manner as the acknowledged varieties of any one species are the descendants of that species . Furthermore , I am con- vinced that Natural Selection has been the main but not exclusive means of modification . CHAPTER I. VARIATION UNDER ...
Page 10
... manner . To judge how much , in the case of any variation , we should attribute to the direct action of heat , moisture , light , food , & c . , is most difficult : my impression is , that with animals such agencies have produced very ...
... manner . To judge how much , in the case of any variation , we should attribute to the direct action of heat , moisture , light , food , & c . , is most difficult : my impression is , that with animals such agencies have produced very ...
Page 14
... manner as in the crossed offspring from a short- horned cow by a long - horned bull , the greater length of horn , though appearing late in life , is clearly due to the male element . Having alluded to the subject of reversion , I may ...
... manner as in the crossed offspring from a short- horned cow by a long - horned bull , the greater length of horn , though appearing late in life , is clearly due to the male element . Having alluded to the subject of reversion , I may ...
Other editions - View all
Common terms and phrases
accumulated adapted affinities allied species America amount analogous ancient animals appear become bees believe birds breeds cause cells characters cirripedes climate closely allied colour common parent continuous crossed crustaceans degree difficulty distinct species divergence domestic doubt embryo Europe existing exterminated extinct extremely facts favourable Fcap fertility flowers formations forms fossil Gärtner genera genus geological geological period Glacial period gradations greater number groups of species habits Hence hermaphrodites hybrids hybrids produced important individuals inhabitants inherited insects instance instincts intercrossing intermediate land larvæ less living male mammals manner Marsupials migration modification modified descendants natural selection naturalists nearly nest oceanic islands offspring organisation perfect pigeons plants pollen present probably produced progenitor racters ranked reciprocal crosses remarked resemble rock-pigeon rudimentary organs seeds sexual selection Silurian slight South America sterility structure struggle successive supposed tend theory tion variability variations varieties vary whole widely