SUBJECT INDEX 



421 



Neuraminidase, 22, 29, 32, 57, 58, 12] , see 

 also Receptor-destroying enzyme 

 myxo viruses and, 5, 8, 11 

 Neurolymphomatosis virus, 7 

 Neuropathogenicity, transfer, virulence 



and, 290-291, 295-296 

 Neurovaccinia virus 



hemagglutination and, 45 

 pock variants and, 236 

 Newcastle disease virus, 83, 103, 174, 183, 

 184, 186, 187, 188, 200, 201, 238 

 attachment prevention and, 198 

 avirulent Newcastle disease virus, inter- 

 ference between, 167, 168, 181 

 cellular receptors and, 51 

 coexistence and, 234 

 ECHO virus, interference between, 163 

 eclipse phase and, 16, 17 

 Ehrlich ascites tumor and, 1 6 

 elution of, 29 



equine encephalomyelitis virus, inter- 

 ference between, 162, 163, 181, 184 

 filament formation and, 85 

 fluorescent antibody studies and, 87, 89 

 growth of, 136-137 

 hemagglutination and, 22, 23, 24, 26, 27, 



28,31 

 hemagglutinin of, 130 

 host-induced variation and, 229 

 inactivated Newcastle disease virus, 



interference between, 172 

 influenza virus, interference between, 



162, 163, 173 

 lag period, recoverable infective virus 



and, 116, 120 

 myxovirus and, 5 



polio virus, interference between, 163, 181 

 receptor gradient and, 29 

 release of, 140-141 

 stabilized cells, electrophoretic mobility 



and, 30 

 vesicular stomatitis virus, interference 

 between, 162, 182 

 Ntaya encephalitis virus, hemagglutina- 

 tion and, 40 

 Nucleolus, 71 



adenosine effect on, 67, 79 

 chorioallantoic cells, fowlpox and, 79 

 monkey kidney cells, poliovirus and, 92, 

 94 



normal cells and, 67 



Ophase, human influenza A virus and, 25, 

 231-232 



Operophtera brumata, infection of, 388, 389 



Oryctolagus sp. myxoma virus and, 244- 

 246 



Osmotic imbalance, pathologic cells and, 

 69-70 



Ourayterijx sambucaria, cytoplasmic poly- 

 hedral virus and, 377 



Ovarian cyst mucin, see Mucoprotein 



Ovomucin, see Mucoprotein 



P phase, influenza virus and, 268 

 PVM, see Mouse pneumonia virus 

 Panaxia dominula, nuclear polyhedral 



virus and, 374, 387 

 Papillomas, see Warts 

 Papillomatosis virus 



rabbits 



papilloma-to-carcinoma sequence and, 



331-334 

 transmission and, 327-331 

 Paranuclear hypertrophy, pathologic cell 



and, 70, 93, 94, 103 

 Pasteur ella pestis, host protection and, 160 

 2, 4, 5, 6, 7-Pentamethylbenzimidazole, 



influenza B virus and, 215 

 Penicillium stoloniferum, culture filtrate, 



polioviruses and, 220 

 Pentamidine, influenza virus and, 219 

 Peridroma margaritosa, granulosis virus 



and, 378 

 Periodate ion 



Chu inhibitor and, 36 



mucoid inhibitors and, 37 



myxovirus hemagglutination and, 26, 

 27-28, 33 

 Phagocytosis, 17 



pinocytosis and, 67, 83 



"viropexis" and, 51 

 Phase microscopy, 64, 76, 86 



poliovirus and, 92-93, 142 

 Philosamia sicini, nuclear polyhedral 



virus and, 387 

 Phlogophora meticulosa, cytoplasmic poly- 

 hedral virus and, 376, 382 

 Pieris brassicae, granulosis virus and, 378, 



379, 388, 389 



