Table of Contents

INTRODUCTION

1. DARWIN'S THEORY OF NATURAL SELECTION: THE RE-

ACTION

DARWIN'S THEORY

THE REACTION

2. BACKGROUND TO THE CONFLICT BETWEEN MENDELIANS

AND BIOMETRICIANS

KARL PEARSON: A SKETCH OF HIS EARLY LIFE

WELDON, PEARSON, AND BIOMETRY

WILLIAM BATESON AND DISCONTINUOUS EVOLUTION

THE PUBLIC CONTROVERSIES

3. THE CONFLICT BETWEEN MENDELIANS AND BIOMETRI-

CIANS

THE HOMOTYPOSIS CONTROVERSY

THE MUTATION THEORY

INHERITANCE IN PEAS

HEREDITY IN MICE

MENDELISM AND BIOMETRY

MEETING OF THE BRITISH ASSOCIATION, 1904

COAT COLOR IN HORSES

THE EFFECTS OF THE CONFLICT

4. DARWINIAN SELECTION: THE CONTROVERSY, 1900-1918

THE ARGUMENT AGAINST DARWINIAN SELECTION

THE PROOF AND EXPLANATION OF THE EFFECTIVENESS

OF SELECTION

5. POPULATION GENETICS: THE SYNTHESIS OF MENDELISM,

DARWINISM, AND BIOMETRY

EXPLORATION OF THE MATHEMATICAL CONSEQUENCES

OF MENDELIAN HEREDITY BEFORE 1918

RONALD ALYMER FISHER

SEWALL WRIGHT

J.B.S. HALDANE

CONCLUSIONS

APPENDIX: GALTON, PEARSON, AND THE LAW OF ANCESTRAL

HEREDITY

BIBLIOGRAPHY

AFTERWORD

INDEX