846 



INDEX OF SUBJECTS 



Tetanus bacillus, toxin of, isolation of, 



by chemical reaction, 462 

 by filtration, 461 

 by precipitation, 461 

 production of, 461 

 resistance of, 462 

 strength of, 462 

 susceptibility of animals to, 462 

 Tetanus spores, transportation of, to 



organs, 460 



Tetramitis mesnili, 739 

 Thermal death points, 33 

 Thermo-regulators for incubators, 159 

 Lautenschlager's, 158, 159 

 Reichert, 158, 159 

 Thiothrix, 38 

 Thrush, 640 



microorganism causing, 640 

 Tick. See Margaropus annulatus 

 Timothy, bacillus of, 502 

 Tissue sections, method of staining, 111 

 Gram-Weigert, 111 

 in celloidin sections, 111 

 in paraffin sections, 111 

 staining of bacteria in, 110 

 Titration of culture media, 117 

 color indicator in, 117 

 process of, 117 



for alkaline media, 118 

 reaction of, 117 

 . adjustment of, 119 

 Tobacco industry, bacteria in, 719 

 Toxin, constitution of (Ehrlich), 210 



graphic form of (Ehrlich), 211 

 " views of Arrhenius and Madsen on, 



212 

 diphtheria. See under Diphtheria 



toxin 



endotoxin distinguished from, 186 

 epitoxoid in, 208 

 in side-chain theory, cell-nutrition in, 



213 



chemical action of, 213 

 elements of, 213 

 atom group, 213 

 side chains or receptors, 213 

 over-production of receptors in, 214 

 molecule of, haptophore group in, 207 



Toxin, molecule of, toxophore group in, 



207 



partial absorption of, 209 

 standardization of, 207 

 Limes death in, 208 

 Limes zero in, 207 

 time changes in, 206 

 toxoid form of, 207 

 protoxoids in, 209 

 syntoxoids in, 209 



toxon and, difference in action of, 209 

 toxon in, 209 

 used for production of diphtheria 



antitoxin, 216 



valency of antitoxin for, 210 

 Toxin-antitoxin reaction, 203 

 side-chain theory in, 212 

 summary of, 215 

 theories as to process of, 203 



by destruction of toxin by its spe- 

 cific antitoxin, 203 

 by direct union of toxin and anti- 

 toxin, 203 

 through mediation of tissue cells, 



203 



time element in, 204 

 Toxin solution, normal, 205 

 Toxin unit, 205 

 Toxins, 185 

 compared with pigments, 186, 309 



summary of, 305 



Toxoid form of diphtheria toxin, 207 

 Toxoids, varieties of, 209 

 epitoxoid form in, 208 

 protoxoids, 209 

 syntoxoids, 209 

 Toxon, in diphtheria toxin, 209 



toxin and, difference in action of, 209 

 Toxon molecule, 209 



haptophore group in, 209 

 toxophore group in, 209 

 Toxophore group in toxin molecule, 207 



in toxon molecule, 209 

 Trachoma, hemoglobinophilic bacilli in. 



541 



Treponema marsus muris, 617 

 Treponoma pallidum, 593, 617 

 animal pathogenicity of, 601 



