Marriage, [121], [159].

Master and slave, [56].

Mathematics in psychology, [lxviii].

Medium, [34].

Memory, [clxxiv], [70], [84].

Mesmer, [clxi].

Metaphysic, [lviii] seqq.

Mill (James), [lxxix].

Mind (= Spirit), [xlix] seqq., [58], [196].

Mnemonics, [85].