CONTENTS 



PAGE 



EXTRACT FROM PREFACE TO FIRST EDITION . . vii 



PREFACE TO SECOND EDITION ix 



INTRODUCTION . 1 



PART I 



MORPHOLOGICAL, PHYSIOLOGICAL AND PSYCHOLOGICAL 

 CONSIDERATIONS 



SEX-CHARACTERISTICS 6 



Primary Sex-Characteristics 6 



Secondary Sex-Characteristics 14 



THE OVARIES 21 



Secretory Structures of the Ovary . ... 22 

 Effects of Oophorectomy on the Genital Functions and on 



the Structure of the rest of the Genitalia .... 29 



Effects of Oophorectomy on the General Metabolism . . 32 



Effects of Oophorectomy on the Thyroid .... 38 



Effects of Oophorectomy on the Thymus .... 40 



Effects of Oophorectomy on the Pineal ... 41 



Effects of Oophorectomy on the Suprarenals ... 41 

 Effects of Oophorectomy on the Pituitary . . .42 



Ovarian Transplantation 46 



Physiological Effects of Ovarian Extracts .... 48 



THE THYROID 50 



Effects of Thyroidectomy on the General Metabolism . . 50 



Effects of Thyroidectomy on the Ovaries and Uterus . . 53 



Effects of Thyroidectomy on the Suprarenals ... 54 



Effects of Thyroidectomy on the Pituitary .... 55 



Physiological Effects of Extracts of the Thyroid ... 57 



