SUBJECT INDEX 223 



PAGE 



Inactivated serum . . . . : 54 



Index, opsonic 132 



Infection, nature of 154 



relation of anaphylaxis to 156 



relation of virus to 154 



Inflammation, Opie's researches on 162 



Interbody of normal serum 77 



Isoagglutinin, occurrence of in normal human sera 35 



relation to homologous transfusion 36 



Isolysins, occurrence of in man 98 



nature of 97 



Isoprecipitin 120 



Lactoserum. . . i 108 



Lecithid, of cobra venom 139 



Leucocytes, as source of complement 93 



ferments in 162 



phagocytic action of 127 



Leucocyte extract, in treatment of infections 177 



Leucotoxin 121 



Liver, role in production of complement 91 



L and L| 23 



Lysins, relation to agglutinins 36 



Mastic, agglutination of 41 



Meiostagmin reaction 208 



Milk, human and bovine tested biologically 112 



Much-Holzmann reaction 208 



Mussels, toxin of 141 



Negative phase 133 



Neisser-Sachs blood test 73 



Neisser-Wechsberg phenomenon 100 



Nephrotoxin 126 



Neurotoxin 122 



of snake venom 138 



Noguchi's test for syphilis 200 



Normal serum, agglutinating poweY of 34 



contrasted with specific immune serum. 79 



