O.

Obedience and disobedience of children, 267.

_See_ Law.

Observation, of children’s minds, 10;

characteristics of children’s, 66;

selectiveness of, 67;

defects of, in children, 393;

early examples of, 402, 452, 464, 465, 480.

Onomatopoetic sounds, in children’s language, 143, 418.

Origin of things, child’s inquiries into, 79, 85, 446, 483, 485;

his theories respecting, 107, 478.

Ornament. _See_ Adornment.

Studies of childhood · 第 48 / 58 题