CONTENTS xiii 



Chapter 2. Structure and function of organs and tissues as criteria of 



individuality • 457 



Chapter 3. Organismal differentials and specific adaptation of tissues 



and their products 466 



PART VI. Organismal Differentials and Organ Differentials as Anti- 

 gens 477 



Introductory remarks 477 



Chapter 1. Blood groups, heterogenetic (Forssman) antigens and 



organismal differentials 478 



Chapter 2. The demonstration of species differentials by serological 



methods 498 



Chapter 3. The demonstration of individuality differentials by sero- 

 logical methods 510 



Chapter 4. The organismal differentials of hybrids between nearly re- 

 lated species 519 



Chapter 5. On the differences between the reactions of foetal or new- 

 born organisms and of adult organisms against strange differen- 

 tials as established by serological methods 524 



Chapter 6. Organ (tissue) differentials and their analysis by serological 



methods , 530 



Chapter 7. Idiosyncrasy and anaphylaxis and their relation to organ- 

 ismal differentials 550 



Chapter 8. Toxins and organismal differentials 559 



Chapter 9. The chemical nature of organismal differentials . . . 565 



Chapter 10. Is it possible by experimental means to change organismal 



differentials? 580 



PART VII. Organismal Differentials, Organ Differentials and Evo- 

 lution 589 



PART VIII. The Psychical-social Individuality 609 



Chapter 1. The physiological basis of the psychical-social individuality 609 



Chapter 2. Individuality and world 627 



Chapter 3. The evolution of individuality 649 



Bibliography 659 



Index 697 



