CONTENTS XIX 



PAGE 



Means of defence of the animal organism against substances 



out of harmony with the blood plasma ... ... ... 45 



Preliminary -study -on the ferments normally Contained an -;r 



the blood .'.'? tci..i ;v. ,. ... 49 



Methods for-the study of ferments ..-. ... ... . J. 49 



The formation of defensive ferments ... ... ... ... 55 



1. After mtrodUction of albuminous substances' out of 

 harmony with the body and the 1 plasma, and their 



' initial staged : of <deccVnipositJonv : with 'special refer-- 



ence to anaphylaxy ... ... ... ... ... 58 



2. After introduction of carbohydrates out of harmony 



with the body and the plasma ... 72 



3. After introduction of fats ... ... ... ... 80 



4. After introduction of nucleo-proteids and nucleins ... 83 

 A survey of the significance of defensive ferments ... ... 85 



Origin of defensive ferments ... ... ... ... ... 87 



Demonstration of substances that are in harmony with the 



body but not with the plasma ... ... ... ... 90 



Biological diagnosis of pregnancy ... ... ... ... 91 



Question of specificity of defensive ferments ... ... ... 96 



Sero-diagnosis of organic functions ... ... ... ... 106 



Doubt concerning the uniformity of the so-called proteolytic 



ferments ... ... ... ... ... ... ... 108 



Study of the correlations of particular organs ... ... 112 



Defensive ferments which appear in the constituents of the 



blood corpuscles ... ... ... ... ... ... 114 



The application of the methods in pathology ... ... 116, 133 



Their application in infectious diseases ... ... ... 116 



Methods ... ... ... ... ... ... ... ... 147 



1. The dialysation process ... ... ... ... 147 



Testing of the dialysing tubes ... ... ... ... 156 



Preparation of the substrates (organs) ... ... 162 



Means of obtaining blood serum ... ... ... 173 



Performance of the experiment ... ... ... 176 



Sources of error in the dialysation process ... ... 189 



2. The optical method ... ... ... ... ... 202 



The application of the optical method ... ... 203 



Preparation of peptones ... ... ... ... 204 



Standardization of the peptone ... ... ... 210 



