CONTENTS 



PAGE 



INTRODUCTION 9 



CHAP. 



I. WHY LIKE BEGETS LIKE . . . .12 



II. VARIATION . 18 



in. THE NATURE AND CAUSES OF VARIATION . 25 



IV. THE INHERITANCE OF ACQUIRED CHARACTERS 33 



V. INHERITANCE IN PURE LINES ... 45 



VI. INHERITANCE ON CROSSING MENDEL'S LAW 49 



vn. MENDELISM (continued) 59 



VTTT. MENDELISM GENERAL DISCUSSION . . 68 



IX. THE STATISTICAL STUDY OF HEREDITY . . 75 



X. THE PROBLEMS OF THE PRACTICAL BREEDER 82 



XI. EUGENICS 87 



A COURSE OF READING ON HEREDITY . . 91 



INDEX . 93 



