CONTENTS xi. 



injections invariably constitute an actual danger How diet induces 

 pathogenetic and anaphylactic phenomena Vicious circle of disease 

 from man to soil and back to fauna and flora Why colloids chiefly 

 responsible for anaphylaxis Serum disease one form of Nature's 

 abhorrence of perpetual in-feeding Specific reactions according to 

 degree of biological antagonism Further significance of simul- 

 taneousness of "immunity" and anaphylaxis Toxigenesis and patho- 

 genesis Suppression of symptoms ' ' Pseudo-antianaphylactics ' ' 

 Nutritional transgression the fons et origo of trouble Influences upon 

 mind, race and history Chronic anaphylaxis Costliness of elimination 

 of a rank anaphylactic poison comparable to that seen in the phenomena 

 of reproductive nemesis in parasitism Slow death in chronic anaphylaxis 

 analogous to slow biological death of in-feeders in Nature Need of 

 frugality and integrity Intensity of symptoms increases with intensity 

 of in-feeding Fruits do not cause alimentary anaphylaxis Emphasis 

 of high value of " Love- foods " General anaphylaxis and the general 

 cause of disease General considerations concerning pathogenesis and 

 eymbiogenesis arising from the study of anaphylaxis. 



CHAPTER VI. 



ORTHOGENESIS. 



Progressive variation along a definite line Why variation is definite 

 Inheritance of acquisitions according to values Mechanism of inherit- 

 ance Biological approval of acquisitions How symbiogenesis explains 

 and complements orthogenesis The climbing kangaroo as an instance 

 Nature works with symbiogenetic roots Need of symbiogenetic 

 standards of utility Cosmic adaptation Delicate balance of differen- 

 tiation resting on appropriate symbiotic activities The place of 

 correlative influences upon the germ-substance according to the ortho- 

 genetic and symbiogenetic views Distribution of blood in the body 

 as an orthogenetic factor Reproduction and death as factors of 

 growth Acquisition of characters by exertions Luxuriance of 

 nutrition in its definite (orthogenetic, though not always symbio- 

 genetic) results The time-element in Orthogenesis How to deter- 

 mine the direction of evolution in a particular species Food as a deter- 

 mining factor of orthogenesis Orthogenesis (in so far as it coincides 

 with symbiogenesis) requires systematic and harmonious exercise of parts 

 Requirements of intelligence and reason for the "business of life" 

 Why adaptations are perfect Automatic mechanisms rendered possible 

 through reliance on symbiosis Self-pauperisation on the part of the 

 species Cuckoo Storing instincts of the bee related to symbiogenetic 

 behaviour Value of symbiogenetic behaviour as resulting in organic 

 experience and organic "wisdom." 



