Louville, nature of corona,[ 67];
chromosphere,[ 68]
Lowell, rotation of Mercury, [248];
of Venus, [252]
markings on Venus, [255]
observations of Mars, [280] [281]
satellites, [283]
Lyman, atmosphere of Venus, [254]
McClean, photographs of solar spectrum, [211] [215];
helium stars, [377]
oxygen stars, [384]
equipment of Cape Observatory, [433]
Macdonnell, luminous ring round Venus, [254]
Maclaurin, eclipse of 1737 [ 65]
Maclear, Admiral, observations during eclipses, [172] [182]
Maclear, Sir Thomas, maximum of η Carinæ,[ 49];
observation of Halley's comet, [102]
Mädler, central sun,[ 41];
observations
[Pg 481] observations
of Venus, [253]
lunar rills, [263]
aspect of Linné, [267]
common proper motions, [426]