CONTENTS. 



PAGE 



Introduction 7 



Previous investigations on metabolism after food 10 



Summary of previous investigations 46 



Basal metabolism 47 



Basal values used in this research 51 



Experiments of 24 hours' duration 52 



Critique of 24-hour method 53 



Discussion of results of fasting and food experiments on the 24-hour basis .... 55 



General conclusions regarding use of 24-hour periods 70 



Experiments of approximately 8 hours 72 



Critique of 8-hour method 72 



Discussion of results of 8-hour experiments without food 74 



Middletown calorimeter experiments (8-hour basis) 74 



General conclusions regarding 8-hour experiments in Middletown 81 



Boston calorimeter experiments (8-hour basis) 82 



General conclusions regarding 8-hour experiments in Boston 95 



Short-period experiments 97 



Critique of the short-period method 97 



Discussion of results of short-period experiments 98 



Experiments with H. L. H 100 



Experiments with L. E. E 103 



Experiments with J. K. M 106 



Experiments with other subjects 109 



Conclusions regarding short-period experiments Ill 



Use of average basal values for comparison 114 



General details regarding the research 121 



Metabolism during chewing 126 



Statistics of experiments 126 



Calorimeter experiments 128 



Respiration experiments 132 



Discussion of results of chewing experiments 137 



Ingestion of water 140 



Statistics of experiments 141 



Calorimeter experiments 142 



Respiration experiments 145 



Discussion of results of water-drinking experiments 147 



Ingestion of coffee 150 



Statistics of experiments 150 



Calorimeter experiments 152 



Respiration experiments 153 



Discussion of results of coffee experiments 157 



Ingestion of beef tea 159 



Statistics of experiments 159 



Calorimeter experiments 160 



Respiration experiments 165 



Discussion of results of beef-tea experiments 169 



Ingestion of carbohydrates 171 



Calorimeter experiments 173 



Statistics of calorimeter experiments 176 



Discussion of calorimeter experiments 178 



1 



