CONTENTS, 



PART I. GENERAL DEVELOPMENT. 



CHAPTER I. 



THE CELL AND CELL PROLIFERATION i 



The Cell , i 



Cell Division 3 



Amitosis 3 



Mitosis 4 



Practical Suggestions 9 



References for Further Study 9 



CHAPTER II. 



THE SEXUAL ELEMENTS OVUM AND SPERMATOZOON 10 



The Ovum 10 



The Spermatozoon 13 



Practical Suggestions 15 



References for Further Study 16 



CHAPTER III. 



MATURATION 17 



Maturation of the Ovum 17 



Spermatogenesis 21 



Theoretical Aspects of Reduction 28 



Ovulation and Menstruation 3 



Practical Suggestions 33 



References for Further Study 34 



CHAPTER IV. 



FERTILIZATION 35 



Significance of Fertilization ..,.,...., 4 



Practical Suggestions 4 1 



References for Further Study 4 1 



vii 



