On the Origin of the 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 79
Page iv
... VARIOUS CONTRIVANCES BY WHICH BRITISH AND FOREIGN ORCHIDS ARE FERTILISED BY INSECTS ; and on the GOOD EFFECTS of CROSSING . With Woodcuts . Post 8vo . 98 . MURRAY . ON THE STRUCTURE AND DISTRIBUTION OF CORAL REEFS . GEOLOGICAL ...
... VARIOUS CONTRIVANCES BY WHICH BRITISH AND FOREIGN ORCHIDS ARE FERTILISED BY INSECTS ; and on the GOOD EFFECTS of CROSSING . With Woodcuts . Post 8vo . 98 . MURRAY . ON THE STRUCTURE AND DISTRIBUTION OF CORAL REEFS . GEOLOGICAL ...
Page vii
... . HYBRIDISM . Distinction between the sterility of first crosses and of hybrids— Sterility various in degree , not universal , affected by close - interbreeding , removed by domestication - Laws governing the CONTENTS . vii.
... . HYBRIDISM . Distinction between the sterility of first crosses and of hybrids— Sterility various in degree , not universal , affected by close - interbreeding , removed by domestication - Laws governing the CONTENTS . vii.
Page xi
... various subjects , according as the evidence has become somewhat stronger or weaker . The more important corrections and some additions are tabulated below for the convenience of those interested in the subject , and who possess the ...
... various subjects , according as the evidence has become somewhat stronger or weaker . The more important corrections and some additions are tabulated below for the convenience of those interested in the subject , and who possess the ...
Page xvi
... various degenerations of the same type . It was not until 1828 that he published his conviction that the same forms have not been per- petuated since the origin of all things . Geoffroy seems to have relied chiefly on the conditions of ...
... various degenerations of the same type . It was not until 1828 that he published his conviction that the same forms have not been per- petuated since the origin of all things . Geoffroy seems to have relied chiefly on the conditions of ...
Page 9
... various organs . With respect to what I have called the indirect action of changed conditions , namely , through the reproductive system being affected , we may infer that variability is thus induced , partly from the fact of this ...
... various organs . With respect to what I have called the indirect action of changed conditions , namely , through the reproductive system being affected , we may infer that variability is thus induced , partly from the fact of this ...
Other editions - View all
Common terms and phrases
accumulated adapted affinities allied species America ancient appear Asa Gray become bees believe birds breeds cause cells characters cirripedes climate closely allied colour common continuous crossed crustaceans degree difficulty distinct species divergence domestic doubt Edition eggs embryo existing exterminated extinct extremely facts favourable females fertilised fertility flowers formation forms fossil Fritz Müller Gärtner genera genus geological Glacial period gradations greater number groups of species habits Hence hermaphrodites hybrids important individuals inhabitants inherited insects instance instincts intercrossing intermediate larvæ less living males mammals manner migration modified descendants natural selection naturalists nearly nest occur oceanic islands offspring organisation parent perfect pigeons pistil pollen Post 8vo present principle probably produced progenitor racters ranked reciprocal crosses remarked resemble seeds sexual sexual selection Silurian slight South America stamens sterility structure struggle successive suppose theory tion variability variations varieties vary vols whole widely