odicity, 127, 128;
solar relations, 128, 160, 161, 163, 205;
lunar influence, 130
Mann, last observation of Donati's comet, 325
Maraldi, solar corona, 67;
rotation of Mars, 274;
satellite-transits on Jupiter, 291;
spot on Jupiter, 295
Marius, Andromeda nebula, 21;
sun-spots, 52
Mars, oppositions, 228;
solar parallax from, 228, 237, 240;
polar spots, 274, 276, 277, 280, 281;
permanent markings, 274-276;
rotation, 274, 275;
atmosphere, 276, 277;
climate, 277, 278;
canals, 278-281;
photographs, 281;
satellites, 282, 283, 314, 320, 321
Marth, revolutions of Neptune's satellite, 305
Maskelyne, components of Castor, 18;
Astronomer-Royal, 27;
experiment at Schehallien, 261;
comets and meteors, 332
Maunder, photographs of corona of 1886, 185;
comparative massiveness of stars, 375;
constitution of nebulae, 403
Maunder, Mrs., coronal photographs, 189, 190
Maury, director of Naval Observatory, 7;
duplication of Biela's comet, 96
Maury, Miss A. C., spectrographic investigations, 386;
discoveries of spectroscopic binaries, 387, 388
Maxwell, J. Clerk, structure of Saturn's rings, 298, 300
Mayer, C., star satellites, 17
Mayer, Julius R., tidal friction, 272;
meteoric sustentation of sun's heat, 310
Mayer, Tobias, stellar motions, 10;
solar translation, 15;
repeating circle, 122;
solar distance, 230;
satellite of Venus, 256;
lunar surface, 263
Mazapil meteorite, 340
Meldrum, sun-spots and cyclones, 164
Melloni, lunar heat, 269
Melvill, spectra of flames, 131
Mercury, mass, 92;
luminous phenomena during transits, 244, 245;
spectrum, 245;
mountainous conformation, 246, 247;
rotation, 247, 248;
theory of movements, 248, 250
Mersenne, reflecting telescope, 108
Messier, catalogue of nebulae, 22
Meteoric hypothesis of solar sustentation, 310;
of planetary formation, 311
Meteoritic hypothesis of cosmical constitution, 376, 402
Meteors, origin, 327, 328;
relations to comets, 327, 332-334, 340;
Leonids, 328-334, 338;
Perseids, 329, 332, 333, 341;
Andromedes, 334-338;
stationary radiants, 341
Meunier, canals of Mars, 280
Meyer, divisions of Saturn's rings, 302;
comet of 1880, 351;
cometary refraction, 353;
comet Tewfik, 362
Michell, double sta
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