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 1-3 of 48
Page 288
... America . For we know that Europe in ancient times was peopled by numerous marsupials ; and I have shown in the publications above alluded to that in America the law of distribution of terres- trial mammals was formerly different from ...
... America . For we know that Europe in ancient times was peopled by numerous marsupials ; and I have shown in the publications above alluded to that in America the law of distribution of terres- trial mammals was formerly different from ...
Page 295
... America , between latitudes 25 ° and 35 ° , we shall find parts extremely similar in all their conditions , yet it would not be possible to point out three faunas and floras more utterly dissimilar . Or again we may compare the ...
... America , between latitudes 25 ° and 35 ° , we shall find parts extremely similar in all their conditions , yet it would not be possible to point out three faunas and floras more utterly dissimilar . Or again we may compare the ...
Page 316
... America ; and the still more striking case of many closely allied crustaceans ( as described in Dana's admirable work ) , of some fish and other marine animals , in the Mediterranean and in the seas of Japan - areas now separated by a ...
... America ; and the still more striking case of many closely allied crustaceans ( as described in Dana's admirable work ) , of some fish and other marine animals , in the Mediterranean and in the seas of Japan - areas now separated by a ...
Contents
INTRODUCTION | 1 |
STRUGGLE FOR EXISTENCE | 52 |
NATURAL SELECTION | 69 |
Copyright | |
10 other sections not shown
Other editions - View all
Common terms and phrases
accumulated adapted affinities allied species amount analogous ancient appear archipelago become bees believe birds breeds cause cells characters cirripedes climate closely allied colour common parent continuous crossed crustaceans degree difficulty distant distinct species divergence doubt embryo Europe existing exterminated extinct extremely facts favourable fertility flowers formation forms fossil Gärtner genera genus geological geological period Glacial period gradations greater number groups of species habits Hence hermaphrodites hybrids hybrids produced important increase in number individuals inhabitants inherited insects instance instincts intercrossing land larvæ less living male mammals manner migration modification modified descendants natural selection naturalists nearly nest occasional oceanic islands offspring Origin of Species perfect pigeons plants pollen present principle probably produced progenitor ranked reciprocal crosses remarked resemblance seeds sexual selection Silurian slight sometimes South America sterility structure struggle successive supposed swimbladder tend theory tion trees variability variation vary whole widely