Systematics and the Origin of Species from the Viewpoint of a Zoologist

Ernst Mayr

Foreword by Theodosius Dobzhansky

Preface

Introduction, 1999

Introduction by Niles Eldredge

I. The Methods and Principles of Systematics

II. Taxonomic Characters and Their Variation

III. Phenomena of Geographic Variation

IV. Some Aspects of Geographic Variation

V. The Systematic Categories and the New Species Concept

VI. The Polytypic Species, In Nature and in Systematics

VII. The Species in Evolution

VIII. Nongeographic Speciation

IX. The Biology of Speciation

X. The Higher Categories and Evolution

Literature

Index