CONTENTS 



xiu 



CHAPTER VI. 

 THE SEX SPECIFIC ACTION OF THE 

 AND OVARIAN HORMONES . 



A. Experiments on Amphibians . 



B. Feminization and Masculinization 



Birds .... 



1. Experiments on Mammals . 



(a) Feminization 



(6) Masculinization . 



2. Experiments on Fowls 



C. Experiments on Arthropoda 



Bibliography 



TESTICULAR 



IN Mammals and 



CHAPTER VII. 

 THE QUESTION AS TO THE ISOLATION OF THE SEXUAL 

 HORMONES 



A. Extracts of the Whole Sex Gland 



B. Extracts of Different Parts of the Sex Gland. 

 Bibliography ........ 



CHAPTER VIII. 

 THE SEMINAL VESICLES AND THE PROSTATE GLAND 

 IN RELATION TO THE DEVELOPMENT OF THE 

 SEX CHARACTERS 

 A. Physiology of the Seminal Vesicles 



1. Experiments on Frogs 



2. Experiments on Mammals . 

 Physiology of the Prostate Gland 



1. The Effect of Prostatic Injections 



2. Simultaneous Removal of the Seminal Vesicles and 

 of the Prostate 



3. Removal of the Prostate 

 The Secretion of the Genital Passages in Relation 



TO THE Vitality of the Spermatozoa 

 Bibliography ...... 



B. 



C. 



CHAPTER IX. 

 INTERSEXUALITY 



A. True Hermaphroditism and Pseudo-Hermaphro 



DITISM ....... 



B. Experimental Hermaphroditism 



1. The Antagonism between Testis and Ovary . 



2. Somatic Characters of the Experimental Herma 



phrodite ...... 



3. The Psycho-sexual Behaviour of Experimental 



Hermaphrodites ..... 



4. Histological ...... 



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