Part 54

Mécanique céleste, 90, 188; sociale, and morale, the, 90.

Mechanical, conception of the world, 105, 155 et seq., 188, 207; energy, W. Thomson on waste of, 175; analogies between ---- and thermal energy, 17 et seq.; equivalent of heat, electricity, etc., 164, 167 et seq.; mythology, 207; phenomena, physical events as, 182; philosophy, 188; physics, 155-160, 212; substitution-value of heat, 178, footnote.

Mechanics, Kirchhoff's definition of, 236.

Medicine, students of, 326.

Melody, 101.

Melsens, 310, 327.

Memory, a treasure-house for comparison, 230; common elements impressed upon the, 180; its importance, 238; science disburdens the, 193.

Mendelejeff, his periodical series, 256.

Mental, adaptation, 214-235; completion of phenomena, 220; imagery, 253; imitation, our schematic, 199; processes, economical, 195; reproduction, 198; visualisation, 250.

Mephistopheles, 88.

Mercantile principle, a miserly, at the basis of science, 15.

Mersenne, 377.

Mesmerism, the mental state of ordinary minds, 228.

Metaphysical establishment of doctrine of energy, 183.

Metaphysical spooks, 222.

Metrical, concepts of electricity, 107 et seq.; notions, energy and entropy are, 178; units, the building-stones of the physicist, 253.

Metronomes, 41.

Meyer, Lothar, his periodical series, 256.

Middle Ages, 243, 349.

Midsummer Night's Dream, 309.

Mill, John Stuart, 230.

Millers, school for, 326.

Mill-wheel, doing work, 161.

Mimicking facts in thought, 189, 193.

Minor and major keys in music, 100 et seq.

Mirror, symmetrical reversion of objects in, 92 et seq.

Miserly mercantile principle at the basis of science, 15.

Moat, child looking into, 208.