12 CONTENTS 



CHAPTER V 



Page 



Chemistry of the Axoial Parasites 128 



Protozoa 129 



Cestodes 131 



Nematodes 134 



CHAPTER VI 



Phytotoxi.vs and Zootoxixs 13S 



Phj'totoxins 138 



Zootoxins 141 



Snake Venoms 141 



Scorpion Poison 150 



Spider Poison 152 



Centipedes 153 



Bee Poison 153 



Poisons of Dermal Glands of Toads and Salamanders 154 



Poisonous Fish 156 



Eel Serum 158 



CHAPTER VII 



Chemistry of the Immunity Reactions — Antigens, Specificity, Anti- 

 toxins, Agglutinins, Precipitins, Opsonins, and Related Sub- 

 jects 159 



Antigens 160 



Xon-Protein Antigens 161 



Specificity of Immune Reactions 165 



Toxins and Antitoxins 172 



Chemical Nature of Antitoxins 175 



Agglutinins and Agglutination 178 



Precipitins 184 



Opsonins 188 



The Meiostagmin Reaction 1S9 



The Epiphanin Reaction 190 



CHAPTER VIII 



Chemistry of the Immunity Reactions (Continued) — Anaphyl.yxis or 



Allergy, Abderhalden Reaction 191 



Anaphylaxis or Allergy 191 



Anaphylactogens 191 



Anaphylatoxin 194 



Anaphvlactin 201 



Hay Fever " 203 



Abderhalden Reaction 204 



CHAPTER IX 



Chemistrv of thk Immunity Reactions {Continued) — BACTKKiuLV.-iis, 



Hemolysis, Complement Fixation, and Serum Cytotoxins . . 206 



Serum Bacteriolysis 206 



Cytotoxins . . " 209 



Hemolysis or Erythrocytolysis 210 



Hemolysis hy Known Cheinicnl iiiid Pliysical Agencn-s 211 



Hemolysis hy Serum 214 



Hcmolvsis t.v liaclcriji 219 



