CONTENTS 



CHAPTER I. FACTS AND FACTORS OF DEVELOPMENT 



INTRODUCTION 



. A. PHENOMENA OF DEVELOPMENT 



I. Development of the Body 

 i. The Germ Cells 



2. Fertilization 



3. Cleavage 



4. Embryogeny 



5. Organogeny 



6. Oviparity and Viviparity 



7. Development of Functions 



II. Development of the Mind 



1. Sensitivity 



2. Reflexes, Tropisms, Instincts 

 \f. Memory 



4. Intellect, Reason 



5. Will 



6. Consciousness 



7. Parallel Development of Body and Mind 



B. FACTORS OF DEVELOPMENT 



1. Preformation 



2. Epigenesis 



ft. Endogenesis and Epigenesis 

 ^4. Heredity and Environment 



CHAPTER II. PHENOMENA OF INHERITANCE 



A. OBSERVATIONS ON INHERITANCE 

 Individuals and their Characters 



Hereditary Resemblances and Differences 

 I. Hereditary Resemblances 

 1. Racial Characters 



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