ii8o 



SUBJECT INDEX 



Heat 



effect of, on B. coll, 290 

 effect of, on milk, 408, 409 

 resistance 



of bacteria, 289 



effect of dormancy, 295 

 glass, 293 



of hydrogen-ion concentration, 292 

 numbers, 294 

 oil, 29s 

 pH, 292 

 salts, 294 

 of B. anthracis, 293 

 of bovine tubercle bacilli, 406 

 of spores, 285, 287, 298 

 botulinum, 448 

 differences, 291 

 Helmholtz double layer, 786 

 Helmholtz-Lamb-Smoluchowski equation, 70 

 Hemagglutinins, 735 



Hematopoietic organs as antibody formers, 883 

 Hemicellulose, 231 

 Hemoglobin, 657 

 as antigen, 970 

 Hemoglobinophilic group, 114 

 Hemolysin, 275, 735, 1036 

 anti-, 717 

 natural, 1053 

 purification, 105 1 

 reversible oxidation, 214 



Hemolysis, 895 



venom, 1072 

 Hemolytic antigen, 717 

 Hemophage, 808 

 Hemophilic bacteria, 656 

 Hemophilus influenzae, 42. See also Influenza 



bacillus, Pfeiffer bacillus 

 H. pertussis. See B. pertussis, Pertussis 

 Hemopsonins, 872 

 Hemorrhagic purpura, 776 

 Herpes zoster, 518, 582 

 Heterophile. See also Forssman 



Antigen, 733-38; 829 

 Antibodies, 735 



and anaphylactic shock, 736 

 in nature, 733 

 properties, 734 



hemolysin, 735 



immune sera, 736, 737 



substance and lecithin, 735 

 Heterotrophic 



bacteria, 318 



fungi, 318 

 Heterotrophs, 322 



Hexamethylamin in chemotherapy, 1 1 28 

 Hexyl-resorcinol, 1107 

 Hiccup, epidemic of, 587 

 Higher bacteria, 324 

 H-ion. See Hydrogen-ion 

 Histamine, 230, 983 



-like substance from B. welchii, 230 



Histidine, 230, 703 

 Histones, 703 



as antigens, 970 

 Hog cholera, 113, 518 

 Hoppe-Seyler's theory of biological oxidation, 



201 

 Hormones, 542 

 Horse 



African sickness, 518 



anemia, 518 



dander, guinea pigs sensitized to, 1014 



dandruff, 713 



pox, 5i8_ 



stomatitis, 518 

 Host-parasite relations 



OF Man and His Intestinal Protozoa, 

 660-78 



of plants with bacteria, 332 



localization of parasites in host, 665 

 Host resistance and electrophoretic potential, 574 

 H3'acinths, 591 

 Hydrocuprein, 25 

 Hydrogen 



needed for growth, 280 



-ion concentration, 151 



and agglutination, 791, 792 

 and heat resistance, 292 

 and pH, 148 

 and ultra-violet action, 374 



oxidation, 324, 329 



peroxide, 117 



pressure, 196 



sulphide, 212, 222 



producers in sewage, 355 

 Hydrogenomonas, 282 

 Hydrolysis of bacteria, 547 

 Hygienic Laboratory 



method for disinfectants, 301 



phenol coefficient, 302 

 Hypersensitiveness, 966, 1081 



atopic, loio, 1012 



and tuberculin, 1028 

 Hypoxan thine, 224, 246 

 Hysteresis, 9 



Ice, 74 



Ice cream, 398 



Idiosyncrasy, 722 



and anaphylaxis, 1014 

 drug, 971 

 Imhoff tanks, 355 

 Immune 

 sera 



bacteriophage adaptation to, 534 

 concentration of, 1055 

 and potential ditYerence, 574 

 substances, adsorption of, 1050 

 Immune Properties, Isolation of Sub- 

 stances WITH, 1049-55 

 Immunity, 565, 721 

 without antibodies, 809 

 of bacteria, 551 



