its blessings universal, 362.

Educational department, the state should maintain an, 370.

Emerson, George B., quoted, 408.

Epidemics arrested by ventilation, 101.

Evacuation, importance of, to the preservation of health, 53.

Evening schools for adults, 453.

Exercise, effects of, 74.
When not to be taken, 75.
Other laws of, 77.
Should be taken regularly, 78.

Experiment on breathing air, 91.
In visiting a school, 96.
In plowing with three horses, 254.

Eye, description of the, 175.
Its sympathy with the other bodily organs, 184.
Rational care of the, 180-192.
See _Sight_.

Factories, labor in, requires education to render it productive, 261-269.
School teachers employed in, 268.

Failures in business accounted for in certain cases, 140, 141.

Farming requires knowledge, 269.
Illustrative anecdote, 254.
In California, 270.

Females, benevolent and Christian, their relation to the primary school,
442, 444, 445.

Fortune-telling practiced in Great Britain and in the United States, 234.

Fracture of the skull, cases of, referred to, 129.

France infidel--the United States Christian, 204.

Franklin's Methusalem, 103.

Free Academy, New York, 386.

Freezing of water, law of, illustrates the beneficence of God, 221-223.

French ladies, posture of, 71.

Friday and other _unlucky_ days, 236-238.

Funds for the support of schools, 366.
When useful, 369.

General conflagration may be produced by the decomposition of air or
water, 321.

Geography, how taught in many schools, 432.

Gestation, state of the mother during, affects the health and happiness
of the offspring, 116, 117.

Grain, influence of the moon on the growth of, 250.

Greeley, Horace, extract from Address of, on free schools, 267.

Habits, mental and physical, how formed, 140.

Happiness increased by education, 311.

Health, laws of, 44-81.

Hearing, the sense of, 169.
How improved, 171.
How injured, 171.
Cultivation of, 172-174.

Hereditary diseases, 41, 115.

Hot-bed system of education, 130-135.

House of Refuge for juvenile delinquents, 450-458.

Howard, Roger S., on the redeeming power of common schools, 456.

Howe, Dr. Samuel G., on the importance of physical education, 36.

Humphrey, Dr., on moral and religious training, 194.

Hypocrisy, why unsuccessful, 142.

Idiocy, extent of, 301. Causes of, 302, 3