Charroppin, coronal photographs, [186]
Chase, photographic discovery of a comet, [338];
stellar parallaxes, [416]
Chladni, origin of meteors, [327] [332]
Christie, Mercurian halo, [245]
Chromosphere, early indications,[ 68];
distinct recognition,[ 69],[ 70], [167]
depth, [174] [175] [200]
metallic injections, [195]
eruptive character, [199]
spectrum, [200]
Clark, Alvan, large refractors, [114] [429] [430] [436]
Clark, Alvan G., discovery of Sirian companion,[ 42], [430];
40-inch refractor, [433]
Clarke, Colonel, figure of the earth, [262]
Clarke, F. W., celestial dissociation, [206]
Clausen, period of 1843 comet, [105];
cometary systems, [362]
[Pg 474]