TABLE OF CONTENTS. 



CALKINS, GARY N. Paramecium aurelia and Paramecium caudatum - 



DYAR, HARRISON G. The Life-History of a Cochlidian Moth 

 Adoneta bicaudata Dyar ........ 



FULLER, GEORGE W. Experimental Methods as Applied to Water- 

 and Sewage-Works for Large Communities - 



LEIGHTON, MARSHALL O. The Futility of a Sanitary Water Analysis 

 as a Test of Potability ..... - 



WHIPPLE, GEORGE C. The Value of Pure Water - ... 



MATHEWS, A. P. A Contribution to the General Principles of the 

 Pharmacodynamics of Salts and Drugs ..... 



STILES, PERCY G., AND MILLIKEN, CARL S. An Instance of the 

 Apparent Antitoxic Action of Salts ...... 



JORDAN, EDWIN O. Experiments with Bacterial Enzymes - - - 



WINSLOW, C.-E. A., AND ROGERS, ANNE F. A Statistical Study of 

 Generic Characters in the Coccaceae ...... 



PRESCOTT, SAMUEL C. The Occurrence of Organisms of Sanitary Sig- 

 nificance on Grains ......... 



GAGE, STEPHEN DEM. A Study of the Numbers of Bacteria Develop- 

 ing at Different Temperatures and of the Ratios between Such 

 Numbers with Reference to Their Significance in the Interpreta- 

 tion of Water Analysis ........ 



WINSLOW, C.-E. A., AND LOCHRIDGE, E. E. The Toxic Effect of Cer- 

 tain Acids upon Typhoid and Colon Bacilli in Relation to the 

 Degree of Their Dissociation ..... - - 



PHELPS, EARLE B. The Inhibiting Effect of Certain Organic Sub- 

 stances upon the Germicidal Action of Copper Sulphate - - 



JACKSON, DANIEL D. A New Solution for the Presumptive Test for 

 Bacillus c&li - - - 



AYERS, S. HENRY. B, coli in Market Oysters - - 



WADSWORTH, AUGUSTUS. Studies on Simple and Differential Methods 

 of Staining Encapsulated Pneumococci in Smear and Section - - 



KENDALL, ARTHUR I. An Apparatus for Testing the Value of Fumi- 

 gating Agents '- - '- - - 



PAGE 



i-io 



11-19 



20-35 



54-80 

 81-118 



119-123 

 124-145 



146-207 



208-222 



223-257 



258-282 

 283-291 



292-299 

 300-303 



304-312 

 3 I 3~3 20 



