SUBJECT INDEX 22 ' 5 



Receptors, nature of g 



various orders of 47 



Reversible reactions in toxin-antitoxin combination 29 



Ricin 21 



Calts, their relation to agglutination 41 



Salvarsan, chemistry of 182 



principles governing treatment by 1 79 



Serum, active and inactive 54 



against epithelium 125 



antibody content of compared to plasma 163 



effect of heat on 40 



mode of collection 4, 115 



Serum diagnosis, in typhoid fever 37 



Serum-fast trypanosomes 166 



Serum rashes 143 



Sessile receptors 14 



Side-chain theory, applied to antitoxins. . . ; . 6 



applied to bacteriolysins and haemolysins 68 



Snake venom 137 



Specific therapy, principles of 179 



Specificity, cause of 65 



nature of 65, 124 



of agglutination 45 



Spectrum, Ehrlich's so-called. 25 



Spermatoxin 123 



Split products, in anaphylaxis 146 



Stimulins 128 



Substance fixatrice 63 



sensibilatrice 55 



Syntoxoid 27 



Syphilis, cobra venom test in 210 



serum diagonsis of 185 



specific treatment of .* 179 



tests for 196 



Tetanus toxin, affinity for brain tissue 13 



Thread reaction 38 



Toxin -antitoxin reaction 22-31 



