Part 31

Medusa, 228.

Memnon, 234.

Mercator, 163, 165.

Mercury, 3, 118, 136, 229.

Messier, anecdote, 207.

Metals, melted, 103. (See Iron.)

Metaphysics, 70, 71.

Meteorites: around Saturn, 124; recent, 187; lawsuit, 187, 188; analyzed, 191, 192; in Iowa, 199, 200; swarm, 200; cracking, 211.

Meteors, 98, 175–198; (1868), 189. (See Falling, Shooting.)

Meunier’s Investigations, 192.

Mexican Gulf, 38.

Microcosm, 222.

Micromegas, 223.

Microscope, 224.

Middle Ages, 91, 175.

Milky Way, 224, 225.

Milton, quoted, 14, 38.

Mind-causation, 70, 71.

Mirror, 102, 107.

Mississippi, 134.

Mites, 224.

Mizar, 207.

M’Leod’s Drawing, 44.

Monochromatic Light (q. v.), 63.

Montaigne of Limoges, 207.

Mont Blanc, 156.

Monte Rosa, 167.

Moon: practical observations, 2; newly studied, 3; distance, 4–6; size, 5, 6, 140, 156; shadows (q. v.), 36, 125; in sun-eclipse, 41; planetary relations, 117–174; and Jupiter, 127; photograph, 137; full, 141, 144, 147; Man in the, 143; mountains, 144; craters, 147, 148; temperature, 159; airless, 160; landscape (q. v.), 169; age, 171; broken up, 192; like comet, 215. (See Lunar.)