Diphtheria, 175, 178. Disease, cause of, 25-27. from alcohol, 76, 77. from bad air, 114. from drinking cup, 108, 177. from dust, 108, 109. of eyes, 169. from flies, 108. from insects, 127-134. from milk, 43-46, 178. prevention of, 174-182. Disease, from spit, 107, 108, 178, 179. victory over, 12. Dis til la'tion, 73. Drinking cup and disease, 108, 177. Drowning, 187. Drunkards, cause of, 14. Dust and disease, 37, 108, 109. Dys pep'si a, 50. Ear, 169-171. Eggs, 23, 33, 34. Epidermis, 85, 86. Exercise, 144-146. Eye, 165-168. Fainting, 185. Fat, 24. Fats, 22, 23. Feeding of body, 21. Feeling, 172. Feet, care of, 98. Fish as food, 30. Fleas and disease, 134. Flies and disease, 45-46, 108, 132-134, 176, 178. Food, amount needed, 27. and health, 30-35. digestion of, 47-55. entrance to blood, 52, 54. Foods, 22. Freckles, 87. Frostbite, 186. Fruits, 33, 34. Fuel foods, 23, 24. Gastric juice, 51. Germs, 36-40. of disease, 175, 176. of milk, 43. of spit, 107. Glands, 47-49. Growth of body, 20. Gullet, 16, 53. Habit, 133, 154. Habits, 14. Hair, 88-90. Headache, 55. Hearing, 170. Heart, 16, 100, 118, 122. Hookworm disease, 181, 182. Hookworms, 175. Hy'gi ene, 10. Insects and health, 129-134. Intestine, 16. Intestines, 47, 52, 53. Joints, 139, 140. Kidney, 16. Kidneys, 17, 92. Larynx (_lar'inks_), 102. Leprosy, 134. Life, length of, 9. Ligaments, 135, 139, 140. Linen, 95. Liver, 16, 53, 54, 55, 100. Lung, 16. Lungs, 100-101. Malaria, 175. Measles, 175. Meat, 23. cooking of, 30. spoiling of, 38, 39. Meats, 30. Mi'crobes, 36, 37. Milk, 23, 29, 41-46. and scarlet fever, 176. as a food, 31. souring of, 39. Mineral foods, 24. Mold, 37, 38. Morphine, 83, 84, 162, 163. Mosquitoes and disease, 127-132. Mouth, 60-67. Muscles, 140-143. Muscles and health, 144-148. Nails, 87, 88. Nar cot'ics, 158-164. Nerves, 19, 149, 151, 152. Nose, 104-106, 171. Nose bleed, 181. Opium, 83, 84, 162, 163. Organ, 18. Organs of body, 16. Oxygen, 22. Oysters as a food, 30. Painkillers, 163. Pan'cre as, 16, 48, 52, 53. Pa ral'y sis, 155. Patent medicines, 84. Pharynx (_far'inks_), 47. Plague, 134, 175. Poisoning, 188. Pro'te ids, 22. Pus, 123. Radius, 137. Ribs, 137. Rum, 73. Sa li'va, 48, 49. Salt, 34. Scarlet fever, 175, 176, 178. Sense organs, 165-173. Shoes, 98. Sick, number of, 9. Sickness, how caused, 11. prevention of, 174-182. Silk, 95. Skin, 85-93. senses of, 172. Skull, 136. Sleep, 156, 157. and disease, 113, 114. Sleeping sickness, 134. Slops, care of, 175. Smallpox, 12, 178-180. Smell, 171. Smoking, 57. Snakebites, 186, 187. Sore throat, 175.