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 iv
... . GEOLOGICAL OBSERVATIONS ON SOUTH AMERICA . A MONOGRAPH OF THE CIRRIPEDIA . 2 Vols . 8vo . LONDON : PRINTED BY W. CLOWES AND SONS , STAMFORD STREET , AND CHARING CROSS . CONTENTS . ADDITIONS AND CORRECTIONS , TO THE SECOND AND.
... . GEOLOGICAL OBSERVATIONS ON SOUTH AMERICA . A MONOGRAPH OF THE CIRRIPEDIA . 2 Vols . 8vo . LONDON : PRINTED BY W. CLOWES AND SONS , STAMFORD STREET , AND CHARING CROSS . CONTENTS . ADDITIONS AND CORRECTIONS , TO THE SECOND AND.
Page xii
... America . 422 319 346 336 373 391 439 452 481 515 484 519 471 484 On crossing keeping the birds of Madeira and Ber- muda unmodified , added in second edition . Passage added on the authority of Von Baer on the embryonic similarity of ...
... America . 422 319 346 336 373 391 439 452 481 515 484 519 471 484 On crossing keeping the birds of Madeira and Ber- muda unmodified , added in second edition . Passage added on the authority of Von Baer on the embryonic similarity of ...
Page xv
... America , ' published in 1836 , wrote ( p . 6 ) as follows : - " All species might have been varieties once , and many varieties are gradually becoming species by assuming constant and peculiar characters : " but farther on ( p . 18 ) ...
... America , ' published in 1836 , wrote ( p . 6 ) as follows : - " All species might have been varieties once , and many varieties are gradually becoming species by assuming constant and peculiar characters : " but farther on ( p . 18 ) ...
Page 1
... America , and in the geological relations of the present to the past inhabitants of that continent . These facts , as will be seen in the latter chapters of this volume , seemed to throw some light on the origin of species - that ...
... America , and in the geological relations of the present to the past inhabitants of that continent . These facts , as will be seen in the latter chapters of this volume , seemed to throw some light on the origin of species - that ...
Page 50
... America and Europe , which differ very slightly from each other , have been ranked by one eminent naturalist as undoubted species , and by another as varieties , or , as they are often called , as geographical races ! Many years ago ...
... America and Europe , which differ very slightly from each other , have been ranked by one eminent naturalist as undoubted species , and by another as varieties , or , as they are often called , as geographical races ! Many years ago ...
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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