Evolution and the Diversity of Life: Selected Essays

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Harvard University Press, 1997 - 721 pages
The diversity of living forms and the unity of evolutionary processes are themes that have permeated the research and writing of Ernst Mayr, a Grand Master of evolutionary biology. The essays collected here are among his most valuable and durable: contributions that form the basis for much of the contemporary understanding of evolutionary biology.

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Contents

VII
2
Darwin Vindicated
7
The Evolution of Living Systems
17
Typological versus Population Thinking
26
Selection and Directional Evolution
44
Population Size and Evolutionary Parameters
53
From Molecules to Organic Diversity
64
Sexual Selection and Natural Selection
73
Theory Formation in Developmental Biology
377
A New Analysis
383
THEORY OF SYSTEMATICS
405
Introduction
407
The Challenge of Diversity
408
The Role of Systematics in Biology
416
Theory of Biological Classification
425
Cladistic Analysis or Cladistic Classification
433

The Emergence of Evolutionary Novelties
88
Introduction
117
Darwin Wallace and the Origin of Isolating
129
Karl Jordan on Speciation
135
Sympatric Speciation
144
Bird Speciation in the Tropics
176
Change of Environment and Speciation
188
Geographical Character Gradients and Climatic
211
Introduction
221
Agassiz Darwin and Evolution
251
The Nature of the Darwinian Revolution
277
Karl Jordan on the Theory of Systematics and Evolution
297
Where Are We?
307
The Recent Historiography of Genetics
329
PHILOSOPHY OF BIOLOGY
355
Introduction
357
Cause and Effect in Biology
359
Explanatory Models in Biology
372
THE SPECIES
448
Introduction
479
Toward a Modern Species Definition
481
Karl Jordan and the Biological Species Concept
485
Species Concepts and Definitions
493
Sibling or Cryptic Species among Animals
509
The Biological Meaning of Species
515
Introduction
529
Introduction
549
History of the North American Bird Fauna
565
Inferences Concerning the Tertiary North
589
Land Bridges and Dispersal Facilities
618
Fragments of a Papuan Ornithogeography
646
The Nature of Colonization of Birds
659
Introduction
675
Behavior Programs and Evolutionary Strategies
694
INDEX
713
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About the author (1997)

Ernst Mayr was Alexander Agassiz Professor of Zoology, Emeritus, at Harvard University. He was the recipient of numerous honorary degrees and awards, including the Crafoord Prize for Biology, the National Medal of Science, the Balzan Prize, and the Japan Prize.

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