CONTENTS 



PART 1. Page . 



Introduction 1 



Plan and purpose of the experiments here reported 7 



Method of investigation 8 



Grosser observations 8 



Physiological measurements 9 



Chemical measurements 12 



Respiratory products 15 



Physical measurements 16 



Recording results and the use of decimals 17 



The experimental man 18 



PART 2. 



Statistics of experiments 19 



Metabolism experiment No. 59 20 



Urine 20 



Elimination of water-vapor 30 



Elimination of carbon dioxide 31 



Oxygen consumed 33 



Material katabolized in the body 36 



Output of heat 42 



Total heat production 46 



Balance of energy 51 



Relations between oxygen consumption, carbon dioxide elimina- 

 tion, and heat production 52 



Respiratory quotient 53 



Metabolism experiment No. 68 55 



Metabolism experiment No. 69 71 



Metabolism experiment No. 70 85 



Urine 88 



Elimination of water-vapor 90 



Elimination of carbon dioxide and absorption of oxygen 90 



Material katabolized in the body 90 



Output of heat 93 



Balance of energy 94 



Relations between oxygen consumption, carbon dioxide elimina- 

 tion, and heat production 94 



Effect of ingestion of food 94 



Changes in body-weight compared with balance of income and 



outgo 102 



Balance of intake and output 103 



Metabolism experiment No. 71 1 07 



Metabolism experiment No. 72 126 



Metabolism experiment No. 73 136 



in 



