620 



INDEX 



Coli-bacteriophage, spontaneous at- 

 tenuation of; 167 



, temperature limits of; 59 



therapy of B. coli infections; 553 



, virulence attenuation of; 165 



, virulence determination of; 145 



, virulence increase of; 202 



, volatility of; 280 



Collodion filters, preparation of; 25 

 membranes, passage of bacterio- 

 phage; 274 



sacs, bacteriophagy with; 102 



Colloidal state of bacteriophage; 281 

 Colloids, effect on bacteriophagy; 65, 



290 

 Colon bacillus infections, bacterio- 

 phage in; 483 



, bacteriophage therapy 



of; 553 

 Colony form of mixed cultures; 210 



types of B. coli; 420 



Complement fixation, effect of bac- 

 teriophage on; 413 



with bacteriophage; 391 



Conservation of bacteriophage; 283 

 Copper sulfate, effect on bacteriophage ; 



302 

 Corpuscular nature of bacteriophage; 



82, 273 

 Corpuscles, enumeration of; 96 



■ , liberation of; 105 



, rate of multiplication of; 115 



Criteria of life; 330 



Culture media for bacteriophagy; 42 



Cystitis, bacteriophage in; 484 



, bacteriophage therapy of; 553, 



560 

 , mixed cultures in; 232 



Dark-field observation of bacteri- 

 ophagy; 113, 131 

 Dead bacteria, bacteriophagy with; 47 

 Denitrification of ultrafilters; 30 

 Desiccation of bacteriophage; 286 

 Destruction of bacteriophage by re- 

 sistant bacteria; 195, 211 

 Determination of bacteriophage viru- 

 lence; 141 



Dictyostelium mucoroides, multiplica- 

 tion of; 103 

 Diet, effect on bacteriophage; 428 

 Diffusibility of bacteriophage; 277 

 Diffusion and plaque formation; 89 

 Digestion of bacteriophage by fer- 

 ments; 282 

 Diphtheria-bacteriophage, sources of; 



258 

 Discovery of bacteriophage; 2 

 Disease, behavior of bacteriophage in; 

 437 



, experimental and natural; 509 



Dissolution of bacteria by bacterio- 

 phage; 113 



of bacteria, products of; 374 



Distillation of bacteriophage; 278 

 Distribution of bacteriophage; 37 

 Doerr's hypothesis of bacteriophage; 



314 

 Dogs, bacteriophage of; 434 

 Dyestuffs, effect on bacteriophagy; 67, 



305 

 Dysentery, bacteriophage in; 3, 242, 

 439, 506 



, bacteriophage therapy of; 540 



, immunization against; 533 



— , Subtilis-bacteriophage from; 261 

 Dysentery-bacteriophage, acquired re- 

 sistance to; 193 



, action of antibacteriophagic sera 



on; 387 



, action on dead bacteria; 48 



, adaptation of; 178 



, adaptation to acid ; 344 



, agglutination by; 73 



, antiphylaxis with; 404 



, antitoxic action of; 537 



, attenuation by resistant bac- 

 teria; 197 



, behavior in mixed cultures; 179 



, corpuscular nature of; 82 



, discovery of; 3 



, effect of acetone on; 303 



, effect of antibacterial sera on; 400 



, effect of antisera on; 388, 392 



, effect of antiseptics on; 71 



, effect of bacterial numbers on; 52 



