Evolution and adaptation / by Thomas Hunt Morgan.

  • Thomas Hunt Morgan
Date:
1903
Catalogue details

Licence: Public Domain Mark

Credit: Evolution and adaptation / by Thomas Hunt Morgan. Source: Wellcome Collection.

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    CONTENTS CHAPTER I PAGE The Problem of Adaptation.i Structural Adaptations.i Adjustments of the Individual to Changes in the Environment . 12 Adaptations for the Good of the Species . . . . *19 Organs of Little Use to the Individual ..... 22 Changes in the Organism that are of No Use to the Individual or to the Race . ..25 Comparison with Inorganic Phenomena ..... 26 CHAPTER II The Theory of Evolution.30 Evidence in Favor of the Transmutation Theory ... 32 Evidence from Classification and from Comparative Anat¬ omy .......... 32 The Geological Evidence ....... 39 Evidence from Direct Observation and Experiment . . 43 Modern Criticism of the Theory of Evolution ... 44 CHAPTER III The Theory of Evolution (continued).58 The Evidence from Embryology . . . . . .58 The Recapitulation Theory ...... 58 Conclusions.84 CHAPTER IV Darwin’s Theories of Artificial and of Natural Selection 91 The Principle of Selection.91 Variation and Competition in Nature . . . . .104 The Theory of Natural Selection . . . . . .116
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