The Origin of Species by Means of Natural Selection: Or, The Preservation of Favoured Races in the Struggle for Life, Volume 1 |
From inside the book
Results 1-5 of 90
Page vi
... characters of trifling importance - its power at all ages and on both sexes - Sexual selection - On the generality ... Character , related to the diversity of inhabitants of any small area , and to naturalisation - Action of Natural ...
... characters of trifling importance - its power at all ages and on both sexes - Sexual selection - On the generality ... Character , related to the diversity of inhabitants of any small area , and to naturalisation - Action of Natural ...
Page vii
... characters more variable than generic : secondary sexual characters variable - Species of the same genus vary in an analogous manner- r - Reversions to long - lost characters - Summary Page 164 .. .. .. .. CHAPTER VI . DIFFICULTIES OF ...
... characters more variable than generic : secondary sexual characters variable - Species of the same genus vary in an analogous manner- r - Reversions to long - lost characters - Summary Page 164 .. .. .. .. CHAPTER VI . DIFFICULTIES OF ...
Page x
... character , often accom- panied by changes of function , are likewise here incidentally considered . are The statement with respect to young cuckoos ejecting their foster - brothers confirmed . On the cuckoo - like habits of the ...
... character , often accom- panied by changes of function , are likewise here incidentally considered . are The statement with respect to young cuckoos ejecting their foster - brothers confirmed . On the cuckoo - like habits of the ...
Page xvi
... characters alone . After remarking that negroes and mulattoes enjoy an immunity from certain tropical diseases , he observes , firstly , that all animals tend to vary in some degree , and , secondly , that agri- culturists improve their ...
... characters alone . After remarking that negroes and mulattoes enjoy an immunity from certain tropical diseases , he observes , firstly , that all animals tend to vary in some degree , and , secondly , that agri- culturists improve their ...
Page xviii
... characters ; " but farther on ( p . 18 ) he adds , " except the original types or ancestors of the genus . " In 1843-44 Professor Haldeman ( ' Boston Journal of Nat . Hist . U. States , ' vol . iv . p . 468 ) has ably given the ...
... characters ; " but farther on ( p . 18 ) he adds , " except the original types or ancestors of the genus . " In 1843-44 Professor Haldeman ( ' Boston Journal of Nat . Hist . U. States , ' vol . iv . p . 468 ) has ably given the ...
Other editions - View all
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