On the Origin of Species by Means of Natural Selection, Or, The Preservation of Favoured Races in the Struggle for Life |
From inside the book
Results 1-5 of 69
Page viii
... intermediate varieties at the present day - On the nature of extinct intermediate varieties ; on their number- On the vast lapse of time , as inferred from the rate of deposi- tion and of denudation · On the poorness of our ...
... intermediate varieties at the present day - On the nature of extinct intermediate varieties ; on their number- On the vast lapse of time , as inferred from the rate of deposi- tion and of denudation · On the poorness of our ...
Page xviii
... intermediate graduated forms . " Thus living plants and animals are not sepa- rated from the extinct by new creations , but are to be regarded as their descendants through continued reproduction . " The ' Philosophy of Creation ' has ...
... intermediate graduated forms . " Thus living plants and animals are not sepa- rated from the extinct by new creations , but are to be regarded as their descendants through continued reproduction . " The ' Philosophy of Creation ' has ...
Page 20
... intermediate between their parents ; and if we account for our several domestic races by this process , we must admit the former existence of the most extreme forms , as the Italian greyhound , bloodhound , bull - dog , & c . , in the ...
... intermediate between their parents ; and if we account for our several domestic races by this process , we must admit the former existence of the most extreme forms , as the Italian greyhound , bloodhound , bull - dog , & c . , in the ...
Page 21
Charles Darwin. tainly , a breed intermediate between two very distinct breeds could not be got without extreme care and long- continued selection ; nor can I find a single case on record of a permanent race having been thus formed . On ...
Charles Darwin. tainly , a breed intermediate between two very distinct breeds could not be got without extreme care and long- continued selection ; nor can I find a single case on record of a permanent race having been thus formed . On ...
Page 30
... intermediate links in the long lines of descent , yet admit that many of our domestic races have descended from the same parents - may they not learn a lesson of caution , when they deride the idea of species in a state of nature being ...
... intermediate links in the long lines of descent , yet admit that many of our domestic races have descended from the same parents - may they not learn a lesson of caution , when they deride the idea of species in a state of nature being ...
Other editions - View all
Common terms and phrases
accumulated adapted affinities allied species America amount analogous ancient animals appear Asa Gray become bees believe birds breeds cause cells characters cirripedes climate closely allied colour continuous crossed crustaceans degree difficulty distinct species divergence domestic doubt embryo Europe existing exterminated extinct extremely facts favourable fertility flowers formations forms fossil Gärtner genera genus geological geological period Glacial period gradations greater number groups of species habits Hence hybrids hybrids produced important individuals inhabitants inherited insects instance instincts intercrossing intermediate land larvæ laws less living male mammals manner Marsupials migration modification modified descendants mongrels natural selection naturalists nearly nest occasionally offspring organisation origin of species perfect pigeons plants pollen present principle probably produced progenitor racter ranked reciprocal crosses remarked resemble rudimentary organs seeds Silurian slight South America sterility structure struggle successive supposed tend theory tion variability variations varieties vary whole widely