CONTENTS 



Number 1, January, 1918 



The Toxicity of Victoria Blue 4R for B. paratyphosus A, B. paratyphosus B 

 and B. enteritidis. Oscar Teague 1 



Automatic Water Level for Arnold Sterilizers. Ivan C. Hall 7 



An Aerobic Spore-forming Bacillus Giving Gas in Lactose Broth Isolated in 

 Routine Water Examination. E. M. Meyer 9 



A Simple Method for the Classification of Bacteria as to Diastase Production. 

 Paul W\ Allen 15 



A Simple and Practical Medium for Differentiating B. typhosus, B. paraty- 

 phosus A, B. paratyphosus B, B. enteritidis and B. coli. Kan-Ichiro 

 Morishima 19 



A New Apparatus for Obtaining Simultaneous Cultures of Any Desired Age 



for Comparative Study. R. G. Perkins 23 



Studies in the Nomenclature and Classification of the Bacteria. V. Sub- 

 groups and Genera of the Bacteriaceae. R. E. Buchanan 27 



A Study of Green Fluorescent Bacteria from Water. Fred W. Tanner 63 



Number 2, March, 1918 



The Science of Bacteriology and Its Relation to Other Sciences. Leo F. 

 Rettger i03 



Methods of Pure Culture Study. Preliminary Report of the Committee on 

 the Chart for Identification of Bacterial Species. H. J. Conn, Chair- 

 man; H. A. Harding, I. J. Kligler, W. D. Frost, M. J. Prucha and K. 

 N. Atkins 115 



The Enzymes of the Tubercle Bacillus. H. S. Corper andH. C. Sweany. . . 129 



Some Characters which Differentiate the Lactic-acid Streptococcus from 

 Streptococci of the Pyogenes Type Occurring in Milk. J. M. Sherman 

 and W. R. Albus 153 



Studies in the Nomenclature and Classification of the Bacteria. VI. Sub- 

 divisions and Genera of the Spirillaceae and Nitrobacteriaceae. R. E. 

 Buchanan 175 



The Direct or Breed Method for Counting Bacteria in Tomato Catsup, 



Pulp or Paste. Charlotte Vincent 183 



Blue Printing Directly from Agar Plates. Jean Broadhurst 187 



Comparison of Loeffler's Coagulated Blood Serum and Blood Serum with 

 the Addition of Sterile Ox Gall. Helen R. Odell 189 



iii 



