Bell traps, 91.

Closets, 120.

Clothing, 114, 123.

disinfection of, 153, 159, 160.

Berries, for food, 33.

Beverages, 33.

Bichloride of mercury, as disin-
fectant, 156, 160, 161.

Boiling water, disinfection by, 154.
Books, disinfection of, 160.

preservation of food by, 44.

Combustion, of carbohydrates in

the body, 16.

of fats in the body, 15.

of proteids in the body, 16.
Condiments, 37.

Cotton, dust of, 145.

161.

soap, 159.

Carbon dioxide, in air, 54.

Carbon disulphide, fumes of, 143.
Carbon monoxide, poisoning by,
56, 143.

Cats, 126.

Ceilings, 121.

Cereals, 27.

Cesspools, 93.

Chalk, dust of, 136.

in water, 80.

Chamberland-Pasteur filter, 87.

Cheese, 26.

poisoning, 26.

Children, employment of, 148.
school, 128.

Diet, as aid to health, 114.

necessity of mixed, 18.

Diphtheria, transmission of, 136.
Disease, causes of, 100.

common to school children, 137.
dissemination of, 106.
resistance to, 101.
Disinfectants, 125, 152.

chemical, 155.

Disinfection, 100, 152.

of clothing, 160.
of excreta, 160.
of floors, 161.
of furniture, 161.
of utensils, 161.

of wood work, 162.
Drainage, 74.

dren, 148.

Furnaces, 69.

Furniture, 121.

disinfection of, 161.

Garbage, 95.

disposal of, 96, 98.

ordinances regarding, 96.

Garget, 24.

Epidemics, 108.

Excreta, disinfection of, 160.
Excretions, in health, 116.
Exercise, 112.

leaking of, 56.

poisoning by, 56.

Goitre, connection of water with,
77.

dren, 137.

drinking water, 134.

Sulphur, as disinfectant, 156.

dioxide, effects of fumes upon

Sunlight, as factor in health, 71.

as disinfectant, 153.