Exercise, necessity of, [51], [161]
Eye, how germs get into, [56];
how overworked, [57];
method of testing, [58]
Far sight, [58]
Flies, breeding places for, [77], [80];
as germ carriers, [80], [81], [116];
how to get rid of, [82], [83];
how to keep out, [83]
Fly screens, where needed, [83]
Foods, advertised, [16];
building, [14–16];
decomposition of, [30–32];
heat-producing, [14–16];
improper cooking of, [34], [35];
cost of suitable, [16];
uses of foods, [14–17];
uses of starches, [14];
uses of fats, [15];
value of meat as a, [15];
value of milk as a, [14]
Garbage cans, should be covered, [83]
Germs, cause of poison in meats, [31], [32];
carried by dogs and cats, [106];
effect of, in wounds, [95–99];
how, get through the skin, [95];
how, get into the body, [79];
how, get into foods, [79], [80];
how put into the air, [147], [150];
how kept out of the air, [151], [152];
how to fight, [74];
of lockjaw, [98];
man's greatest foe, [1];
nature of a, [73];
not alike, [73];
not killed by running water, [115]
Hair, [169]
Hearing, how tested, [58]