On the Origin of Species by Means of Natural Selection: Or, The Preservation of Favoured Races in the Struggle for Life |
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Page 15
... flowers with separate sexes absolutely re- quiring the agency of certain insects to bring pollen from one flower to the other , it is equally preposterous to account for the structure of this parasite , with its relations to several ...
... flowers with separate sexes absolutely re- quiring the agency of certain insects to bring pollen from one flower to the other , it is equally preposterous to account for the structure of this parasite , with its relations to several ...
Page 22
... flowering with plants when transported from one climate to another . In animals it has a more marked effect ; for instance , I find in the domestic duck that the bones of the wing weigh less and the bones of the leg more , in proportion ...
... flowering with plants when transported from one climate to another . In animals it has a more marked effect ; for instance , I find in the domestic duck that the bones of the wing weigh less and the bones of the leg more , in proportion ...
Page 37
... flower - garden races of plants , most useful to man at different seasons and for different purposes , or so beautiful in his eyes , we must , I think , look further than to mere variability . We cannot suppose that all the breeds 66 ...
... flower - garden races of plants , most useful to man at different seasons and for different purposes , or so beautiful in his eyes , we must , I think , look further than to mere variability . We cannot suppose that all the breeds 66 ...
Page 39
... flowers , when the flowers of the present day are compared with drawings made only twenty or thirty years ago . When ... flower - garden ; the diversity of leaves , pods , or tubers , or whatever part is valued , in the kitchen - garden ...
... flowers , when the flowers of the present day are compared with drawings made only twenty or thirty years ago . When ... flower - garden ; the diversity of leaves , pods , or tubers , or whatever part is valued , in the kitchen - garden ...
Page 40
... flowers ; how unlike the flowers of the heartsease are , and how alike the leaves ; how much the fruit of the different kinds of gooseberries differ in size , colour , shape , and hairiness , and yet the flowers present very slight ...
... flowers ; how unlike the flowers of the heartsease are , and how alike the leaves ; how much the fruit of the different kinds of gooseberries differ in size , colour , shape , and hairiness , and yet the flowers present very slight ...
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Common terms and phrases
accumulated adapted affinities allied species America analogous ancient animals appear archipelago become bees believe birds breeds cause cells characters cirripedes climate closely allied colour continuous crossed crustaceans degree difficulty distinct species divergence domestic doubt embryo endemic existing exterminated extinct extremely facts favourable fertilised 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 increase individuals inhabitants inherited insects instance instincts intercrossing intermediate larvæ laws less living males mammals manner migration modification modified descendants natural selection naturalists nearly nest occasionally offspring organic organisation origin of species perfect pigeons plants pollen present principle probably produced progenitor ranked reciprocal crosses remarked resemble rock-pigeon rudimentary seeds sexual sexual selection Silurian slight sometimes South America sterility structure struggle successive supposed swimbladder tend theory variability variations varieties vary whole widely