historical differences in attitude toward, [38] f.
Mnemonics, principle of, [192];
topographical, [193];
number and rhythm in, [193];
utility of, [193] f.
Mood, [225] ff., [255], [304].
Moral sentiments, [298] ff.;
and empathy, [301].
Motor reaction, [239] ff.
Movement, of head and eyes in fixation, [62] f.;