ILLUSTRATIONS. 



PAGE 



FIG. 1. Infant respiration apparatus as used at the Directory for Wet Nurses 30 



2. Respiration apparatus as used for children at the New England Home for 



Little Wanderers : . 30 



3. Relationship between body-weight and age with boys 40 



4. Relationship between height and age with boys 41 



5. Relationship between body-weight and age with girls 43 



6. Relationship between height and age with girls 44 



7. Relationship between height and body-weight with boys 45 



8. Relationship between height and body-weight with girls 46 



9. Relationship between body-surface and body-weight with boys 64 



10. Relationship between body-surface and height with boys 65 



11. Relationship between body-surface and age with boys 66 



12. Relationship between body-surface and body-weight with girls 67 



13. Relationship between body-surface and height with girls 67 



14. Relationship between body-surface and age with girls 68 



15. Body-weight, pulse-rate, and basal heat production per 24 hours, No. 145 . . 114 



16. Body-weight, pulse-rate, and basal heat production per 24 hours, Nos. 139 



and 171 124 



17. Body-weight, pulse-rate, and basal heat production per 24 hours, Nos. 119, 



122, 127, and 138 125 



18. Body-weight, pulse-rate, and basal heat production per 24 hours, Nos. 113, 



126, 131, and 142 126 



19. Body-weight, pulse-rate, and basal heat production per 24 hours, Nos. 115, 



123, 136, and 160 127 



20. Body-weight, pulse-rate, and basal heat production per 24 hours, Nos. 148, 



161, 172, and 173 129 



21. Body-weight, pulse-rate, and basal heat production per 24 hours, Nos. 153, 



155, 158, and 166 130 



22. Basal heat production of boys per 24 hours referred to age 133 



23. Basal heat production of girls per 24 hours referred to age 135 



24. Basal heat production of boys per 24 hours referred to age (earlier investi- 



gators) 137 



25. Basal heat production of girls per 24 hours referred to age (earlier investi- 



gators) 138 



26. Basal heat production of boys per 24 hours referred to body-weight 140 



27. Basal heat production of girls per 24 hours referred to body-weight 142 



28. Basal heat production of boys per 24 hours referred to body-weight (earlier 



investigators) 143 



29. Basal heat production of girls per 24 hours referred to body-weight (earlier 



investigators) 144 



30. Basal heat production of boys per kilogram of body-weight per 24 hours 



referred to age 147 



31. Basal heat production of girls per kilogram of body-weight per 24 hours 



referred to age 149 



32. Basal heat production of boys per kilogram of body-weight per 24 hours 



referred to age (earlier investigators) 150 



33. Basal heat production of boys per kilogram of body-weight per 24 hours 



referred to age (Sonde"n and Tigerstedt, C. Tigerstedt, and B. and T.) ... 152 



34. Basal heat production of girls per kilogram of body-weight per 24 hours 



referred to age (Sonde"n and Tigerstedt, and B. and T.) 152 



35. Basal heat production of boys per kilogram of body-weight per 24 hours 



referred to weight 154 



v 



