CONTENTS. 



PAGE 



Introduction 



Basal metabolism 



Previous studies of metabolism of children 



Control experiments and basal metabolism 



History and plan of research 



Apparatus and experimental technique 28 



Respiration apparatus 28 



Experimental conditions 



Discussion of results 



Normality of children studied 



Standards for determining the normality of children 



Earlier data selected for comparison with our data 



Relationship between body-weight and age with boys 39 



Relationship between height and age with boys 41 



Relationship between body-weight and age with girls 42 



Relationship between height and age with girls . 43 



General consideration of the ratios of body-weight to age and height to age with 



boys and girls 44 



Relationship between height and body-weight with boys and girls 



Growth 47 



Anthropometric measurements as indices of growth 52 



Physiological and anthropometrical significance of surface area 63 



Relationship between surface area and body-weight, height, and age with 



boys 63 



Relationship between surface area and body-weight, height, and age with 



girls 66 



Normal, average, and ideal states of nutrition 69 



Body-weight in relation to height as an index of state of nutrition 72 



Pulse-rate 75 



Methods of obtaining pulse-rate 77 



Influence of age upon the pulse-rate 78 



Average pulse-rate of children 81 



Sex and minimum pulse-rate 83 



Average pulse-rate with increasing age 85 



Rectal temperature 85 



Influence of food on metabolism 89 



The element of novelty in measurements of metabolism 97 



Metabolism as affected by growth 100 



General methods of study 100 



Metabolism during growth as shown by the individual child 101 



Observations with subject No. 145 101 



Observations with 22 children during periods of 4 months to 3| years 115 



Metabolism during growth as shown by groups of individual data 128 



Method of grouping data 131 



General trend of metabolism with increasing age 133 



Total calories per 24 hours referred to age (boys) 133 



Total calories per 24 hours referred to age (girls) 134 



Total metabolism of children referred to age (earlier investigators) 136 



General conclusions as to total metabolism and age in children 139 



Total metabolism with increasing body-weight 139 



Total calories per 24 hours referred to weight (boj's) 140 



Total calories per 24 hours referred to weight (girls) 141 



Total metabolism of children referred to weight (earlier investigators) 142 



iii 



