IV CONTENTS 



Abstracts of American Bacteriological Literature: 



Animal Pathology 249 



Bacteriology of Water and Sewage 250 



Immunology 251 



Laboratory Technique 256 



Medical Bacteriology 257 



Protozoa and Other Animal Parasites 266 



Number 3, May, 1916 



Frontispiece: Portrait of Professor T. J. Burrill 



In Memoriam, Thomas J. Burrill. Erwin F. Smith 269 



Resolutions adopted at the Urbana Meeting of the American Bacteriolo- 

 gists in regard to the work of Professor Burrill 271 



Studies on Aerobic Spore-bearing Non-pathogenic Bacteria. Part I. Intro- 

 duction. W. W. Ford 273 



Spore-bearing Bacteria in Milk. J. S. Lawrence and W. W. Ford 273 



The Number of Colonies Allowable on Satisfactory Agar Plates. Robert S. 



Breed and W. D. Dotterrer 321 



A Modification of the Hygienic Laboratory Method for the Production of 

 Tetanus Toxin. Harriet Leslie Wilcox 333 



A Method of Anaerobic Plating Permitting Observation of Growth. Horry 



M. Jones 339 



Testicular Infusion Agar. A Sterilizable Culture Medium for the Gono- 

 coccus. Ivan C. Hall 343 



Book Review. Der Erreger der Maul- und Klauenseuche. By Heinrich 

 Stauffacher. Gary N. Calkins 353 



Abstracts of American Bacteriological Literature : 



Animal Pathology 357 



Bacteriology of Air and Dust 360 



Bacteriology of Food 361 



Bacteriology of Soils 361 



Bacteriology of the Mouth 362 



Bacteriology of Water and Sewage 363 



Classification of Bacteria 364 



Disinfection 364 



Immunology 364 



Industrial Bacteriology 372 



Laboratory Technique 373 



Medical Bacteriology 376 



Paleontology 384 



Plant Pathology 384 



Number 4, July, 1916 



Biological Variations of Bacteria. I. M. R. Smirnow 385 



A New Culture Medium for the Tubercle Bacillus. W. Whitridge Williams 

 and Ward Burdick 411 



