PREFACE
CHAPTER I
INTRODUCTION
CHAPTER II
RATIO OF THE CONSANGUINEOUS TO ALL MARRIAGES
CHAPTER III
MASCULINITY
CHAPTER IV
CONSANGUINITY AND REPRODUCTION
CHAPTER V
CONSANGUINITY AND MENTAL DEFECT
CHAPTER VI
CONSANGUINITY AND THE SPECIAL SENSES
CHAPTER VII
SUMMARY AND CONCLUSION
BIBLIOGRAPHY.
GENEALOGIES CONSULTED.
