CONTENTS. 



Effects of Disease, F^/fgue, Age, Sleep, on Heat. Amount of 

 Heat prepared in a Day. More in warm than cold Seasons. 

 Winter and Summer Constitution 185 



PART V. 



THE SKIN. 



1. Skin, Cuticle, thickened by Friction. Blisters. Corns 191 



2. Cuticle. Nails. Hoof. Horns. Seat of Color. True Skin 



contains perspiratory Apparatus 1 



3. Perspiration, sensible and insensible ; Quantity 198 



4. Perspiration affected by State of Air. Oily Excretion of Skin. 



Effect of tight Clothing 201 



6. Connection between Skin and Stomach, Lungs and Muscles. 



Effect of Cold 204 



6. Skin absorbs Food, Liquids, Medicine, Contagion, Poison 207 



7. Sense of Touch ; impaired if Skin is foul ; acute in the Blind .... 210 



8. Skin regulates Heat by Perspiration. Sensation of Cold and 



Heat.. I 213 



9. Quantity of Clothing affected by Habit 216 



10. Clothing, Need of, affected by Food, Digestion, Health, Air, Hab- 



its, Age 220 



11. Clothing should be loose. Linen, Cotton, Silk, Wool 224 



12. Flannel. Cutaneous Excretions. Foul Clothing. Airing Cloth- 



ing and Beds 226 



13. Bathing makes Skin soft and healthy 230 



14. Cold Bathing. Laborers need Bath 233 



15. Effects of Cold Bathing on Health. Time and Conditions of 



Bathing 235 



16. Sense of Touch made more acute by Bathing and Friction 238 



PART VI. 



BONES, MUSCLES, EXERCISE, AND BEST. 



1. Bones, Composition of, in Childhood ; in Old Age ; have Blood-' 



Vessels and Nerves; subject to Growth and Decay; grow 

 strong by Use 241 



2. Skeleton. Bones. Head. Chest. Spine. Pelvis 245 



3. Arms. Wrist. Hand. Leg. Foot. Arch. Shape 250 



4. Joints. Elbow. Knee. Shoulder. Hip. Structure. Lig- 



aments. Sprains. Dislocations 255 



5. Muscles, Number, Action, Description, Use 260 



6. Muscles, Shape, Attachments, Arrangement, Action 268 



7. Muscles, Situation, sacrifice Power, Cooperation 274 



8. Muscles, Strength increased by Exercise 278 



9. Muscular Strength unequal; Action increases Power in other 



Organs : 282 



10. Muscular Action strengthens Body and Mind. Kinds of Exer- 



cise -. 286. 



11. Exercise adapted to Strength, Effect of, on Weak ; on Dyspeptics. 



Gymnastic Exercises 289 



12. Kinds of Exercise. Walking. Exercise of Boys; of Girls. 



Effects of. Habits of English and American Women. Time 



for Exercise 292 



13. Exercise, Place for. Should be regular. Needed by All 295 



14. Labor, Limit of Power. Proper Expenditure of Strength 298 



