viii CONTENTS 



PAGES 



CHAPTER VII, THE INHERITANCE OF DISEASE 108-119 



I. GENERAL ARGUMENTS - IO8 



(a) CONGENITAL DISEASES - - IO8 



(b) INBORN DISEASES - IO9 



(c) REAPPEARANCE OF DISEASE - 1 1 1 



(d) SECONDARY EFFECTS OF DISEASE - III 

 II. SPECIAL DISEASES - - 1 12 



(a) PREDISPOSITIONS - 112 



(b) INHERITED DISEASES - - 112 



(c) ALCOHOLISM - 1 13 



(d) IMMUNITY - 115 

 III. A THEORETICAL INTERPRETATION OF DISEASE - 117 

 IV. CONSANGUINITY - - Il8 



CHAPTER VIII. MENDELISM 120-141 



I. HISTORICAL - - 1 2O 



ii. MENDEL'S LAW - - 120 



III. FURTHER ELABORATIONS OF MENDEL'S LAW - 127 



IV. COMPLICATIONS - - 13! 



(a) COMPOUND CHARACTERS - 132 



(b) MASKED CHARACTERS - - 136 

 V. RESULTS - - 139 



CHAPTER IX. BIOMETRICS 142-171 



I. INTRODUCTION - - 142 



II. VARIABILITY AND NORMAL FREQUENCY CURVE - 143 



III. CORRELATION AND REGRESSION -. - - 155 



IV. FURTHER CORRELATIONS - - 164 



(a) ASSORTATIVE MATING - - 164 



(b) FERTILITY - . - 165 

 V. THE LAW OF ANCESTRAL INHERITANCE - - 167 



CHAPTER X. CONCLUSIONS - 172-183 



HEREDITY AND ENVIRONMENT - - 172 



LITERATURE - - 184 



GLOSSARY - - - 186 



INDEX - - 193 



