Magnetism, terrestrial, international observations, [126];
periodicity, [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 nebulæ, [403]
Maunder, Mrs., coronal photographs, [189] [190]
Maury, director of Naval Observatory, [7];
duplication of Biela's comet,[ 96]