SUBJECT INDEX 



627 



Mouse — Cont \\ 



protection, antibody fractious and, 



197 

 typhoid, experimental epidemics of, 

 50, 51 

 M.E.D., definition of, 254 

 Mucin, nidus of, in pneumonia, 78 

 Mucins, antigenic difference in, 322 

 lack of species specificity of, 323 

 role in pulmonary infection, 78 

 Mucous film, importance of, 71 

 membrane, protection of, 70 

 secretion, factors and, 78 

 Mudd, technique of, 217, 218 

 Multiple antigens, Durham 's concep- 

 tion of, 319 

 Mumps, convalescent serum in, 292 

 Mutation, definition of, 41 

 Mycobacterium tuberculosis, varieties 



of, 59 

 Myelocytes, description of neutro- 

 philic, 62 



N 



N factor, incidence in Eskimos, 173 

 Natural antibodies, 109, 148 

 immunity, age and, 105 

 antibodies and, 109 

 endocrines and, 103 

 Neufeld 's theory of, 107 

 nutrition and, 106 

 passive acquisition of, 109, 258 

 racial differences in, 102 

 species differences in, 102 

 Topley's views on, 108 

 vitamins and, 105 

 Webster and Hodes' views on, 

 108 

 Nephritis, factors in acute, 82 

 Nervous system, importance of, 83 

 Neufeld 's quellung reaction, descrip- 

 tion of, 395, 396 

 Neurosyphilis, serology of, 423 

 Neutral red, in supra-vital stain, 58 

 Neutrophilia, 65 



Newborn calf, immunity in, 109 

 guinea pigs, immunity in, 258 

 New York City Board of Health, 



standards of, 418 

 New York, Park 's susceptibility tests 



in, 259 

 Neymann and Gager, Wassermann 



antigens of, 427 

 Nitrogen-fixing bacteria, 29 

 Nitroso compounds, 338 

 Noguchi, studies on venoms, 35 

 Noon pollen unit, 575 



NonpaliMiiity, blood groufjs and, 177- 



179 

 Nonprotein antigens, 359 

 Nonspecies specificity, 322, 323 

 Nonspecific reactions, 306 

 Normal antibodies, 147 



bacteriolytic substances, 146, 147 

 Nutrition, resistance and, 106 



O 



Obermayer and Pick, early work of, 



on antigens, 332 

 Old tuberculin, 504 

 Operative procedures, vasomotor rhi- 

 nitis and, 566 

 Ophthalmic test, serum hypersensi- 



tiveness and, 308 

 Opportunists, definilion of, 47 

 Opsonification, nature of, 96 

 Opsonins, 152 

 Opsonocytophagic test, use of, in un- 



dulant fever, 387 

 Optimal proportion technique, 229- 



232 

 coarse test, 231 

 fine test, 232 

 proportions, venoms and antiven- 



oms and, 230 

 Organ specificity, 322 

 Orifices, importance of blood supply, 



80 

 Osier, on sj-philis, 421 



P, and P„ fractions of Landsteiner, 



'325 

 Pain, importance of, 83 

 Pancreatitis, anatomical factors and, 

 79 

 stone in ampulla of Vater and, 79 

 Pandemic disease, definition of, 47 

 Parasites, classification of, 29 

 Goodpasture's classification, 29 

 Kendall 's classification, 29 

 Paratyphoid fever, Widal in, 382, 386 



organisms (see Salmonella) 

 Paresis, treatment of, 83 

 Paroxysmal Iiemoglobinuria, isohemo- 

 lysins and, 149 

 Wassermann test in, 150 

 Passive imnmnity, acquired from 

 mother", 258 

 examples of, 257 

 experimental infection and, 129 

 mammary secretions and, 258 

 nature of, 121, 122 



