614 



Attenuation of bacteriophage viru- 

 lence; 165, 197 

 Autolysin hypothesis of bacteriophage; 



314 

 Autolysis, bacterial; 321 



, relation to bacteriophagy; 6 



Autonomy of bacteriophage; 333 

 Avian typhosis, bacteriophage in; 479, 

 490 



, immunization against; 510 



, intestinal bacteriophage in; 



481 

 , symptomatology of; 480 



Bacillary dysentery, bacteriophage in; 

 439, 506 



, bacteriophage therapy of; 



540 



• , immunization against ; 533 



B. aerogenes form of B. coli; 210 

 B. anthracis dissolution; 6, 266 

 B. of barbone, distribution of; 502 

 B. coli, colony types of; 420 



, heterogeneity of; 168, 255 



infections, bacteriophage in; 483 



, bacteriophage therapy of; 



553 



, loss of resistance in; 421 



, mutations of; 221, 255 



, number dissolved by bacterio- 

 phage; 54 

 B. diphtheriae, heterogeneity of; 258 

 B. dysenteriae Hiss septicemia; 448 

 B. dysenteriae, homogeneity of; 168, 242 



, mutations of; 223 



, number dissolved by bacterio 



phage; 54 



, toxicity of; 403 



B.fluorescens, relation toMyxomycete; 



103 

 B. of Friedlander, heterogeneity of; 256 

 B. gallinarum in avian typhosis; 480 

 , number dissolved by bac- 

 teriophage; 55 

 B. jeffersonii, homogeneity of; 245 



in avian typhosis; 480 



B. paratyphosus, heterogeneity of; 

 251, 254 



B. paratyphosus, mutations of; 252 

 , number dissolved by bacterio- 

 phage ; 54 

 B. pestis, bacteriophage races for; 247 



, homogeneity of; 168, 247 



, number dissolved by bacterio- 

 phage; 55 



"suicide"; 12 



B. pfaffi, homogeneity of; 245 



in avian typhosis; 480 



B. proteus cultures, bacteriophage 

 from, 485 



, heterogeneity of; 257 



mutants ; 257 



B. pullorum, homogeneity of; 245 



in avian typhosis; 480 



B. pyocyaneus dissolution; 9, 267 

 B. radicicola, bacteriophagy of; 487 



, heterogeneity of; 259 



B. rettgeri, homogeneity of; 245 

 B. sanguinaria, homogeneity of; 245 

 B. suipestifer, heterogeneity of; 254 

 B. typhi murium, heterogeneity of; 254 



infection in mice; 509 



B. typhosus, heterogeneity of; 168, 248 

 , number dissolved by bacterio- 

 phage, 54 



, ultrabacterial form of; 478 



Bacteria, acquired immunity in; 169 



, destruction of bacteriophage in; 



195 



, fixation of bacteriophage to; 104 



, natural immunity in; 169 



of secondary cultures ; 206 



, penetration by bacteriophage; 



112 



, relation to plaque formation; 87 



, role in bacteriophage virulence; 



164 

 Bacterial autolysis; 321 



cultures, bacteriophage in; 10, 



11, 37, 232, 257, 261, 485 



, ultrapure; 207 



destruction and bacteriophage 



multiplication; 121 



dissolution, mechanism of; 113 



, microscopic control of; 130 



, products of; 374 



