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Contributions to the Theory of Natural Selection
Alfred Russel Wallace
Half a world away from Darwin, Alfred Russel Wallace reached the same daring idea in a fever hut in the tropics. These essays lay out his own case: how geography and geologic change scatter species, how a true classification mirrors descent, and why living forms map onto the shifting surface of the earth. Meet the naturalist who co-discovered evolution and defended it in his own words.
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133 chapters
- 1CONTRIBUTIONS TO THE THEORY OF NATURAL SELECTION. A Series of Essays. BY ALFRED RUSSEL WALLACE, AUTHOR OF “THE MALAY ARCHIPELAGO,” ETC., ETC.
- 2PREFACE.
- 3PREFACE TO THE SECOND EDITION.
- 4CONTENTS.
- 5I. ON THE LAW WHICH HAS REGULATED THE INTRODUCTION OF NEW SPECIES.[A]
- 6Geographical Distribution dependent on Geologic Changes.
- 7A Law deduced from well-known Geographical and Geological Facts.
- 8The Form of a true system of Classification determined by this Law.
- 9Geographical Distribution of Organisms.
- 10Geological Distribution of the Forms of Life.
- 11High Organization of very ancient Animals consistent with this Law.
- 12Objections to Forbes’ Theory of Polarity.
- 13Rudimentary Organs.
- 14Conclusion.
- 15II. ON THE TENDENCY OF VARIETIES TO DEPART INDEFINITELY FROM THE ORIGINAL TYPE.[D]
- 16Instability of Varieties supposed to prove the permanent distinctness of Species.
- 17The Struggle for Existence.
- 18The Law of Population of Species.
+ 115 more. The full contents open with the book.
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