| Acknowledgments | 7 |
| About the Author | 9 |
| Foreword to the First Edition | 11 |
| Foreword to the Sixth Edition | 13 |
| Preface to the Sixth Edition | 25 |
| Introduction | 31 |
| 1 | The Origin of the Concept of Race | 41 |
| 2 | The Fallaciousness of the Older Anthropological Conception of Race | 99 |
| 3 | The Genetical Theory of Race | 111 |
| 4 | The Biological Facts | 121 |
| 5 | Natural Selection and the Mental Capacities of Humankind | 145 |
| 6 | The Mythology of Race, or "For Whom the Bell Tolls" | 155 |
| 7 | Race and Society | 175 |
| 8 | Biological and Social Factors | 193 |
| 9 | Psychological Factors | 225 |
| 10 | The Creative Power of Ethnic Mixture | 253 |
| 11 | Eugenics, Genetics, and Race | 297 |
| 12 | Race and Culture | 311 |
| 13 | Race and War | 325 |
| 14 | Race and Blood | 359 |
| 15 | Innate Aggression and Race | 369 |
| 16 | Myths Relating to the Physical Traits of Blacks | 391 |
| 17 | Are the Jews a Race? | 417 |
| 18 | The First Americans | 439 |
| 19 | The Meaning of Equal Opportunity | 453 |
| 20 | Race and Democracy | 461 |
| 21 | Racism and Social Action | 473 |
| 22 | Sociocultural Behavioral Influences | 483 |
| 23 | Intelligence, IQ, and Race | 507 |
| App. A | Ethnic Group and Race | 521 |
| App. B | The Fallacy of the Primitive | 531 |
| App. C | The Term Miscegenation | 537 |
| App. D | Intelligence of Northern Blacks and Southern Whites in the First World War | 539 |
| Bibliography | 567 |
| Index | 679 |