Chemical constituents of fasting vuine-Continued. Phosphorus Sulphur Total acidity /S-oxybutyric acid Mineral metabolism Relationships of the mineral constituents Reducing power Carbon in uiine Carbon-nitrogen ratio Energy of urine Calorie-nitrogen ratio Calorie-carbon ratio Microscopy of urine and tests for albumin Detailed results Summary The respiratory exchange Apparatus and methods used in the calorimeter experiments Absorption of water-vapor and carbon dioxide Analysis of chamber air at the end of periods Tension equalizer Argon in oxygen from liquid air Graphic registration of degree of muscular repose of subject inside the respiration calorimeter Methods used in experiments with the respiration apparatus Studies with the bed calorimeter Atmospheric conditions inside the chamber Measurement of the respiratory exchange inside the bed calorimeter Periodic changes in the metabohsm Total metabohsm Respiratory quotient Relationships of pulse-rate, body-temperature, and metabolism Studies with the universal respiration apparatus Variations in the metabolism as the fast progressed Relationship between the pulse-rate and the metabohsm Diurnal variations in metabohsm External influences upon metabolism Effect of changes in body position Influence of the work of writing Influence of breathing an oxygen-rich atmosphere 1 Influence of sleep Metabolism per unit of weight and surface Metabohsm per kilogram of body-weight Metabohsm per kilogram of body-weight in calorimeter experiments . . Metabohsm per Mlogram of body-weight in respiration-apparatus experiments 362 Conclusions regarding the metabolism per kilogram of body-weight . . . Metabohsm per square meter of body-surface Metabolism per square meter of body-surface in the calorimeter experiments 369 Metabohsm per square meter of body-surface in the respiiation-appatus experiments 370 Conclusions regarding the metabohsm per square meter of body-surface . Summary of results regarding the metabohsm per kilogram of body-weight and per square meter of body-surface Elimination of water through limgs and skin Calorimetty 379 Direct calorimetry 379 Indirect calorimetry 384 Balance of income and outgo 392 Total katabohsm per 24 hours 392 Daily activity 393 Total carbon-dioxide production and oxygen consumption per 24 hours ....

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A. I. KENDALL, A. A. DAY AND A. W. WALKER. (4) B. pyocyaneus is less proteolytic in cream than it is in whole milk or skimmed milk. (5) The presence of certain pathological bacteria, B. typhosus, and B. paratyphosus alpha and beta, cannot be detected in milk by the chemical changes which they induce in it. CHICAOO. ILL. [FROM THE DEPARTMENT OF BACTERIOLOGY, NORTHWESTERN UNIVERSITY MEDICAL SCHOOL. ] STUDIES IN BACTERIAL METABOLISM.