iQisl Joseph S. Hephurn 191 



Smirnow: Induced variations in chromogenesis ; induced variations 

 in the cultural characters oi B. coli.—K. F. Keller man and N. R. 

 Smith: Halophytic and lime-precipitating bacteria. — K. F. Keller- 

 man and R. C. Wright: Relation of crop to bacterial transforma- 

 tion of nitrogen in the soil. — F. W. Turner and L. V. Burton: A 

 note on the occurrence and Classification of the gas formers in nature. 

 —Charles Thom: The bacteriological work of the Bureau of Chem- 

 istry and its possibilities. — R. S. Breed: The Standard method of 

 determining nitrate reduction.— £. B. V edder: A culture medium 

 for growing gonococci and tubercle bacilli. — S. A. Petra ff: A new 

 and rapid method for the Isolation and cultivation of tubercle bacilli 

 directly from the Sputum and feces, with the aid of sodium hydrate 

 and gentian violet-egg-meat juice media. — R. G. Colwell: Com- 

 parative tests of various peptones. — F. M. Scales: The preparation 

 of cellulose for cellulose agar.— P. E. Brown: The Solution versus 

 the soil method for the bacteriological examination of soils. — S. 

 H. Ayers and Philip Rupp: The alkali forming bacteria found in 

 milk. — C. W. Brown: Degradation of casein in the presence of salt 

 by butter flora.— i?. E. Buchanan and B. W. Hammer: Bacteriology 

 of slimy milk. — K. Peiser: Factors influencing the resistance of lac- 

 tic acid bacteria to pasteurization. — Maud M. Obst: Bacteria in pre- 

 served eggs. — C. G. Supplee: Efficiency of Endo's medium in detect- 

 ing members of the colon group. — /. V and erleck: Bacteria which 

 produce black colonies on aesculin-bile-salt agar plates and do not 

 belong to the colon group. — C. Greathouse: Numbers and efficiency 

 of Bacillus btdgaricus in commercial preparations from January 

 to June, 19 14. — C. N. Hilliard: The death rate of bacteria upon 

 drying. — L. F. Rettger and T. G. Hüll: The influence of milk and 

 carbohydrate feeding on the bacteriology of the intestine. — John 

 Weinzirl: A bacteriological method for determining manural pollu- 

 tion of milk. — Thomas W. Melia: Some observations with the use 

 of bile media. — A. J. Smith and M. T. Barrett: Oral endamebiasis. 

 — Chas. Krumwiede, Jr. and Josephine Pratt: Methods of isolation 

 and differentiation of the typhoid-paratyphoid-enteriditis group. — 

 G. H. Smith: The production and detection of specific ferments for 

 the typhoid-coli group. — /. F. Siler, P. E. Garrison and W. J. Mac- 

 Neal: Recent studies of pellagra. — /. A. Kolmer and Emily Mosh- 

 age: The Schick test for diphtheria.— /. B. Bronfenbrenner: The 



