SUBJECT INDEX 



589 



Shiga's bacillus, bacteriophage of, 3 

 Shigella phage, effect of detergents on, 

 51 

 reproduction, inhibition, 279 

 Shigella species, colicins in, 382 

 infection effect on, 1 99 

 susceptibility of strains to coli- 

 phages, 493, 494 

 Shigella dysenteriae, infection effect on, 

 201 

 lysogenization, 370 

 susceptibility to bacteriophages, 

 124,127 

 Shigella dysenteriae Sh, lysogenic form, 



128, 129 

 Shigella flexneri, PIA of, 153-57 

 Shigella flexneri strains, typing, 397 

 Shigella shigae, antigens of, 398, 399 

 Shigella sonnei, colicin specificity for, 

 385 

 susceptibility to bacteriophages, 127 

 Shigella sonnei E90, mutants, 386 

 Shigella sonnei phase I, somatic anti- 

 gens of, 157 

 Shigella sonnei phase II, coliphage ad- 

 sorption by, 151, 152 

 somatic antigens of, 157-59 

 Shigella sonnei phase 11/3,4,7, somatic 



antigen of, 158 

 Shigella sonnei strains, typing, 416 

 Single infection, definition, 442 

 Size, of bacteriophages, 37-48 



as taxonomic criterion, 423, 426 

 Sodium desoxycholate, effect on ani- 

 mal viruses and bacterio- 

 phages, 51 

 Sodium gentisate, effect on bacterio- 

 phage reproduction, 274 

 Sodium hydroxide, effect on adsorp- 

 tion of bacteriophage, 1 52 

 Sodium ion, effect on adsorption of 

 bacteriophage, 141, 142 



effect on heat inactivation of coli- 

 phages, 58, 59 

 Sodium salicylate, effect on bacterio- 

 phage and bacteria reproduc- 

 tion, 274 

 Sonic vibrations, effect on bacterio- 

 phages, 152 

 as taxonomic criterion, 427 

 in inactivation of coliphages, 54, 55 

 in lysis of bacteriophage, 19, 20, 173 



techniques for, 522 

 in reactivation of neutralized phage. 

 101 

 Species, definition, 422 

 Stability, of bacteriophages, 49-82, 

 454 

 mutations affecting, 305 

 Staphylococcal phage(s), antigenicity, 

 99, 425 

 Arrhenius constants for heat inacti- 

 vation, 57, 58 

 composition, 87, 94 

 concentration and purification, 84 

 detergents effect on, 51 

 growth factors, 235 

 inactivation, 52, 53, 64-66 

 metabolic enzymes in, 239 

 morphology in electron micro- 

 scope, 36 

 mutants, 306 

 neutralization, 110 

 reproduction, inhibition, 279 

 taxonomic criteria, 423, 424 

 Staphylococcal phage 3A, antigenic- 

 ity, 100, 105 

 Staphylococcal phage K, Arrhenius 

 constant for heat inactivation 

 of, 57 

 inactivation, 53, 54, 79 

 morphology in electron micro- 

 scope, 36-38, 41 

 precipitation, 53 



