rôle of, in life of man, [205], [207];

list of human instincts, [205] ff.;

biological characters of, [208] ff.;

psychological characters of, [210] ff.;

and reason, [203], [207], [210], [301];

and emotion, [207], [211], [216], [219].

Instruction, [96] f., [214];

significance of, for action, [240] ff., [252];

negative, [250], [253].

Intellectual attitudes, [271] f.;