SUMMARY OF CONTENTS: VOL. III, Nos. ^12 

 No. 9. October, 1913 



PAGE 



A MoDiFiED Hempel Gas Pipette. Stanley R. Benedict i 



The Influence of Arsenic upon the Biological Transformation of 

 NiTROGEN IN SoiLS. /. E. Grcaves 2 



The Nature of Humus and Its Relation to Plant Life. 5". L. Jodidi. . . 17 



Cleavage of Benzoylalanine and Acetylglycine by Mold Enzymes. 



Arthur W. Dox and W. Eugene Ruth. 23 



A Color Reaction of Glycine when Boiled with Chloral Hydrate. 



Edwin D. IVatkins. 26 



Studies on Water Drinking: 



15. The Output of Fecal Bacteria as Influenced by the Drinking 

 of Distilled Water at Meal Time. 



N. R. Blatherwick and P. B. Hawk. 28 



A Note on the Determination of Ammonia in Urine. 



Stanley R. Benedict and Emil Osterberg. 41 



Studies of Aeration Methods for the Determination of Ammonium 

 Nitrogen : 

 3. The Ammonium Nitrogen in Beef. 



Jacob Shulansky and William J. Gies. 45 



A Study of the Influence of Cold-storage Temperatures upon the 

 Chemical Composition and Nutritive Value of Fish. 



Clayton S. Smith. 54 



A Further Study of the Chemical Composition and Nutritive Value 

 of Fish Subjected to Prolonged Periods of Cold Storage. 



William A. Perlzweig and William J. Gies. 69 



The Influence of Chronic Undernutrition on Metabolism. 



Sergius Morgulis. 72 



Nitrogen Metabolism During Chronic Underfeeding and Subsequent 

 Realimentation. Sergius Morgulis 74 



Proceedings of the Biological Section of the American Chemical 

 Society, Rochester, N. Y., September 10-12, 1913 : 



I.Executive Proceedings. /. K. Phelps, Secretary 76 



2. Chairman's Address. Carl L. Aisberg, Chairman 77 



3- Scientific Proceedings (Abstracts). /. K. Phelps, Secretary 80 



The Biochemical Society, England 96 



The Agricultural Colleges and Experiment Stations in the United 

 States (continued on page 275) . A. C 98 



Biochemical Bibliography and Index. William A. Perhweig 103 



Biochemical News, Notes and Comment: 



General 112 



Columbia University Biochemical Association 129 



Columbia Biochemical Department 131 



Editorials : 



Sir Oliver Lodge on " Continuity " 133 



The Mathews Plan for an American Biological Society 134 



The Mathews Plan : A Summary of Published Opinions 142 



" Hormones " 148 



xi 



