762 



INDEX OF SUBJECTS 



Thiothrix, 38 

 Thrush, 640 



microorganism causing, 640 

 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 alkaUne media, 118 

 reaction of, 117 

 adjustment of, 119 

 Tobacco industry, bacteria in, 715 

 Torulse, 617 



Toxin, constitution of (Ehrlich), 210 

 graphic form of (EhrUch), 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 

 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 

 BjTitoxoids 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 



specific 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, hemoglobinophiUc baciUi in, 



541 

 Trichomycetes. See Chlamydobacteri- 



acese 

 Trichophyton tonsurans, 642 

 cultivation of, 644 

 demonstration of, 643 

 morphology of, 643 

 occurrence of, 642 

 Tricresol, 78 

 TriUat autoclave, 89 

 Tubercle bacillus, 479 

 bacilli related to, 498 

 Bacillus butyricus, 502 

 bacillus of avian tuberculosis, 500 

 cultivation of, 500 

 discovery of, 500 

 morphology and staining of, 500 

 susceptibility of animals to, 500 

 bacillus of bovine tuberculosis, 498 



