X CONTENTS 



PAGE 



BACTERIOTROPIC SUBSTANCES 129 



OPSONINS DISTINCT ANTIBODIES. 130 



STRUCTURE OF OPSONINS 130 



THE OPSONIC INDEX 131 



TECHNIQUE 131 



VALUE OF THE OPSONIC MEASUREMENTS 133 



vSnake Venoms and their Antisera 137 



THE VENOMS 137 



ANTIVENIN'S 139 



Anaphylaxis 141 



HISTORICAL 141 



THE PHENOMENON 142 



SERUM RASHES 143 



THEORIES OF ANAPHYLAXIS 144 



ALLERGY 147 



SUPPOSED RELATION TO PRECIPITIN ACTION 148 



PATHOLOGY OF ANAPHYLACTIC SHOCK 150 



RELATION OF ANAPHYLAXIS TO SERUM THERAPY 151 



Infection and Immunity 154 



INFECTION 154 



THE INFECTING AGENT 154 



ANAPHYLATOXIN 157 



RESISTANCE AGAINST INFECTION 158 



NATURAL IMMUNITY 159 



ACQUIRED IMMUNITY 160 



MECHANISM OF IMMUNITY 162 



RELATION OF ANAPHYLAXIS TO IMMUNITY 163 



IMMUNITY REACTION OF THE PART OF BACTERIA 165 



ATREPSY 166 



Bacterial Vaccines 169 



HISTORICAL. . . 169 



METHODS OF ACTIVE IMMUNIZATION 171 



TREATMENT WITH VACCINES 173 



THE VACCINES 174 



DOSES :....' 175 



RESULTS 176 



