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



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