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.

Soups, 31.

Spinal cord, 16, 19, 151, 154, 155.

Spit, care of, 175, 178.

Spitting and health, 107, 108.

Spleen, 54.

Starch, 23, 24.

Stimulants, 158, 164.

Stomach, 16, 47, 50-53, 100.

Sugars, 22, 23.

Sunstroke, 185.

Sweeping and health, 37.

Sweetbread, 48.

Swimming, 145, 146, 187.

Sym pa thet'ic nerv